Aperture: 4-Inch. Available in 80mm, 115mm & 130mm apertures. It includes: # Meade RCX- inch Telescope at F8. # The RCX Tripod # Original 3 weeks ago | tucson | Refractors | for sale | ACTIVE; $950 Meade LX90 8" Schmidt-Cassegrain Telescope $2,400 Explore Scientific Triplet Apochromatic Refractor This Telescope was only used a couple of times and is in like-new condition. Or if you really want larger, a 400 f/2.8 in 150 mm aperture. This product can only be shipped to U.S. and Canada addresses. Explore Scientific ED80 Essential Edition Telescope. The focuser is a Synta refractor focuser painted blue for looks. Vixen Ltd.'s AX103S is a high-quality 4-inch apochromatic telescope with an f/8 focal ratio. In Stock 6. William Optics ZenithStar Z61II 61mm f/5.9 Doublet Apo Refractor with Soft Case - Space Gray $592.00. Borg fluorite apochromatic refractor 107FL f3.9 with ESATTO 3", 107mm diameter, 417mm focal length (f3.9), 6 elements fluorite apochromat with Canon lens, carbon fiber tube with 3 inches ESATTO focuser, M57 camera rotator, rear thread for camera connection, PLUS support rings. Stellarvue. My first telescope was a refractor. The William Optics Zenithstar 61 is one of William Optics most compact apochromatic refractors. Add to Wish List Add to Compare. Page 1 of 2 - E & F stars in the trapezium. The telescope has a 61-mm f/5.9 objective, yielding a focal length of 360 mm. Best 5 Professional Advanced Telescopes For Sale Reviews 2022. The 102FL is among the most expensive and difficult telescopes to produce - the Apochromat refractor. This article was such a relief to read. 72mm aperture, 420mm focal length, f/5.8 focal ratio. The Advanced VX 6 refractor telescope offers no obstruction of the aperture and at a focal ratio of f/8, the telescope provides you the highest possible contrast when viewing celestial objects, especially the planets. Tel 01298 732440. www.peak2valleyinstruments.co.uk. Free Shipping. Best 5 High-Powered Telescopes For Sale In 2022 Reviews. Explore Scientific 102mm f/7 Classic White "Essential Series" Air-Spaced Triplet ED Apochromatic Refractor Telescope, 1.14 arc sec, 2-Speed Focuser Fully-Automated GoTo Mount - SkyAlign Technology - 40,000+ Celestial Objects - 8-Inch Primary Mirror. In Stock. 3. - posted in Celestron Computerized Telescopes: I condider it a fairly major accomplishment to be able to resolve the E and F stars in the trapezium, especially in less than perfect skies. Add to cart Refractor Telescopes & Apochromatic Refractor Telescopes. The 100QII is natively an f/5.8 system, yielding a focal length of 580mm, using what appears to be a triplet front objective and a built-in single-element rear flattener. As a star struck 8-year-old it represented the ideal image of how a telescope should look. With a clear aperture of 140mm (about 5.5) the APM is an f/7 doublet design using a combination of FPL-53 and lanthanum glass. This telescope prices for $2400, not the cheapest option in the market, but it is a marvelous telescope that offers very high-end work in return. $3,000.00. $1899.00. We wanted to bring the best value and performance that we possibly could in a large refractor. This scope has similar views to an 8 Dobsonian or 8 Schmidt-Cassegrain, albeit in a bulkier package. $2,599.99. Sell or Trade your Gear. Refractor 160 - 165mm. Note that I was using Orion's Field Flattener for Short Refractors. Aperture 150mm (6 inches) Focal length 1,800mm; f/12. Shop our extensive selection of products and best online deals. You sit in a chair that has a special device (called a phoroptor or refractor) attached to it Free Shipping, the Lowest Prices and Best Customer Service - LightingDirect 6" long and the brush itself is about 1 1/8" long 6 degrees field of view Refractor Telescope use lenses and are usually long and slim in appearance Refractor Telescope use This premium refractor telescope's generous, 115mm (4.5") aperture collects ample light from faint deep-sky objects to provide crisp images with excellent color correction by virtue of the element of FK-61 extra-low dispersion ("ED") optical glass in its air-spaced triplet objective lens. Now the statement [2] "SC-tubes are better for deep space" is, strictly speaking, not true. Orion Observer II 70mm Equatorial Refractor Telescope Kit. Right: 102FL - 4 Inch f9 Apochromatic Refractor Telescope shown on optional Vixen GP German Equatorial Mount and Tripod (13,789 bytes). The Advanced VX 6 Refractor is proof of that. This value-packed kit comes with everything you need to observe the night sky right away. Focal Length: 700mm. Show. Focuser 2.5-inch, two-speed Crayford. With an aperture of 102mm (4 inches) and a focal length of 1000mm, this refractor is capable of producing outstanding views at magnifications of over 200x, and with a focal ratio of f/9.8, its perfect for imaging the planets. Getting Started General Help and Advice. The Series 6000 Apochromatic Refractors are some of the best crafted refractors on the market. Add to Cart. $141.24 shipping. The achromat continues to offer an outstanding value in refractor optics. - Read. 30.5 x 5.5 x 8.75 inches : Item Weight : 14 pounds : ASIN : B00J09LJM0 : Item model number : EDT-127075-CF : Customer Reviews: SKU : CE-22020. Oil spaced type, triplet apochromat. 30.5 x 5.5 x 8.75 inches : Item Weight : 14 pounds : ASIN : B00J09LJM0 : Item model number : EDT-127075-CF : Customer Reviews: Price Match Guarantee. Improved motors offer more torque and can handle slight load imbalances with ease. ZEROCHROMAT 8 INCH APOCHROMATIC REFRACTOR At 7000, inclusive of VAT at 20%, the price is remarkably attractive compared with other 8 inch apochromatic refractors in the market. Optically they were pretty much the same. 883 mm (measured from the center of the last lens surface) F/6.5 . Awesome! Telescope chassis made from 1 round and square aluminum tube. In stock. Aperture: 4-Inch. 3.5 diameter optical flat holder used to fold the long focal path and place the eyepiece midway where it can be easily viewed. Optics S-FPL53 apochromatic doublet. Here's a sensational value - a big 6" (150mm) achromatic refractor optical tube that's priced like other manufacturers' 80mm scopes . . . This 6" achromatic refractor optical tube is a sensational value! It's the same optical tube that's used on Celestron's best selling Advanced Series go-to refractor. 5 Top 8-Inch Telescopes For Sale On The Market In 2022 Reviews. Updated 02 Jul 2022 05:42. Shipping costs for the 8" and larger units is collected at the time of delivery and average $150.00 for the 8" and $275.00 for the 10". NEWS. Achromtic lenses suffer more from chromatic and spherical aberration whilst APO lenses mostly diminish these issues. Sky-Watcher Classic 200P f/5.9 Dobsonian Telescope SW-S11610. Crayford-Style Focuser. Super Apochromatic (Super APO) Fluorite Triplet. A good goto achromatic refractor will start around $300-400. Out of stock. The Evostar 150DX is a 6-inch f/8 apochromatic refractor. The Orion 09565 EON is an apochromatic refractor telescope having better correction of chromatic and spherical aberration. The AT152EDT is an extension of the incredibly well received EDT series from Astro-Tech. This compact telescope utilizes FPL-53 ED glass to produce images with impressive color correction. Orion EON 104mm ED-X2 f/6.25 Triplet Apochromatic Refractor OR-10090. These doublet refractors deliver dramatic, coal-black skies and faithful, contrast-rich views of planetary and deep-space phenomenon that are second to none. An excellent 4-inch refractor will give a good showing of itself compared to a (less expensive) 6 or 8-inch reflector. This fast f/5 optical system provides spectacular wide-field images for the discriminating deep-sky observer and astro-photographer. Vixen Ltd.'s AX103S is a high-quality 4-inch apochromatic telescope with an f/8 focal ratio. Weighing in at 50kg, the APO250FL can be transported to various observing stations, however TEC highly recommends that a permanent observing station be made for this telescope. FEATURES FAST FOCAL RATIO: At f/6 (80mm) the focal ratio of this scope is ideal for fast wide field astrophotography. LX85 Series - 115mm Apochromatic Refractor. This will get you a small (70-90mm aperture) achromatic refractor on a small equatorial mount. Be the first to review this product. 140 mm. The scope is available as a stand-alone OTA, or as a package with our new Series 5000 2-Inch enhanced diagonal and an aluminum carrying case. The tube is a section of aluminum tube made by Hastings Irrigation. Donation is not required by any means, so please enjoy your stay. Focusmate 10:1 ratio dual-speed fine focus made by Starlight Instruments. Currently unavailable. The APO250VT F/8.8 is TECs most powerful telescope and is considered an observation class instrument. CNers have asked about a donation box for Cloudy Nights over the years, so here you go. Super Apochromatic (Super APO) Fluorite Triplet. Thanks to that feature you will be able to sharpen the view of the object you are observing. Comes with 2-Inch Series 5000 Enhanced Diagonal, Mounting Bracket and Aluminum, Fully-Padded Carry Case. 4 Best 10-Inch Telescopes On The Market In 2022 Reviews. Because of that feature, you can be sure that you will get perfectly clear and sharp images with this telescope. Length 190cm (74.8 inches) including dew shield and focuser. Usually ships within 2 to 3 days. $28.26 shipping. Contact Us for Availability 1-800-483-6287 ext.1. William Optics manufactures Refractor telescopes, binoculars, digital camera adapter lenses for telescopes, eyepieces, diagonals and other accessories. Optics Achromatic doublet. Two-element, air-spaced optical assembly minimizes false color. $1,699.99. Answer (1 of 6): It really all depends on what youre tying to image. Click here to create one With regret I am selling my 8 inch F9 achromat refractor, bought from markus ludus in germany in 2006. The aforementioned SV115T gathers only 270 times more light than the human eye. It is a good alternative to much pricier 5 to 6-inch apochromatic refractors for both visual and ccd work. A high-quality doublet or triplet apochromatic refractor is capable of producing sharp, flat, well-corrected images. Refractor 140mm. Currently unavailable. SVBONY Universal Dovetail Base, Finderscope Mount Bracket, for Installation of Finder Scope for Optical Telescope. $1,399.99. The AX103S offers fine craftsmanship and superb optics in a small package. In the market research sector, we build a team of experts. Weighing in at 50kg, the APO250FL can be transported to various observing stations, however TEC highly recommends that a permanent observing station be made for this telescope. NEWS. William Optics - High-Quality Refractor Telescopes, Telephoto Lens, Binoculars, Eyepieces, Diagonals, and other Optical Accessories. The current refractor was, in a sense, a replacement for the University's original 8-inch refractor, one of the largest in the US when installed in 1854. I picked up a 4 inch doublet semi-apo recently and compared it with my 8" SCT. Its 8 aperture allows it to resolve details down to 0.57 arc-seconds across and can be viewed using the two included 1.25 Plossl eyepieces (9mm & 26mm). If you have that kind of money, a 16" newt could probably be bought as well (and be better visually on most counts). In Stock. Best 5 High-Powered Telescopes For Sale In 2022 Reviews. 7 1899.00 1401806004 5. The quadruplet lens system design results in an ultra flat-field, without the need for an additional field flattener. This apochromatic refractor telescope offers extra-low dispersion glass that is professionally made to reduce any image damages such as chromatic aberration. This updated and improved TeleVue NP101is refractor optical tube has: 101mm f/5.4 four-element Nagler-Petzval apochromatic optical system. The interior is baffled via 7 knife-edge baffles spaced 12" apart. Extra Low-Dispersion Lens Element. Visit the Explore Scientific Store. $28.26 shipping. $900.00. stainless steel front cell for improved thermal stability. It includes: # Meade RCX- inch Telescope at F8. Using the finest quality ED apochromatic glass in a dual-element design, the EvoStar series virtually eliminates all chromatic aberrations, delivering rich contrast and coal-black skies. In Stock. It has a 150mm (6") diameter multicoated doublet objective lens (1200mm focal length f/8). Achromatic, or achro, is a dated term to describe telescopes free of color when doublets first evolved from singlet refractors. Celestron Starsense Explorer 8" Dobsonian Smartphone Telescope CE-22470. 3 Items. Best 5 Professional Advanced Telescopes For Sale Reviews 2022. Orion EON 85mm ED X-2 F/6.6 Triplet Apochromatic Refractor OR-10089. A good 4-inch refractor can provide some outstanding images, but its limited light grasp restricts high-power operation, and a 6-incher is frequently too bulky to be easily transported. FAQ. 63 watching. Supplier Altair Astro. It is specially designed to provide you with a smooth and accurate performance. Aperture: 127mm (5.0 inches) Type: triplet apochromatic refractor (Hoya FCD1 ED glass) Focal length/focal ratio: 952mm, f/7.5. This Refracting Telescope ED Doublet has a 150 mm (5.9-inch) Aperture with two matched elements, one which is an Extra-low Dispersion (ED) element. The objective lens cell is fully collimatable for peak optical performance, via a series of push/pull collimating screws 3 apochromatic refractor is a FPL-53 quadruplet with 71 mm lens diameter and 450 mm focal length designed for astrophotography with corrected and illuminated circle up to full-frame The lens, cell, tail stock FEATURES FAST FOCAL RATIO: At f/6 (80mm) the focal ratio of this scope is ideal for fast wide field astrophotography. An upgrade from the standard Evostar 150, the Sky-Watcher Evostar 150DX ED APO 150mm f/8 Refractor is outfitted with a larger and stronger focusing mechanism and drawtube, and a heavy-duty cradle-ring and mounting system. July 17, 2016. (It is also physically shorter and lighter than an SV115T and fits on the same mounts.) ACCESSORIES. All D & G Achromat Tube Assemblies include: Objective lens as described elsewhere Fully baffled aluminum tube The aforementioned SV115T gathers only 270 times more light than the human eye. Don't have an Astromart account? APO devices are far better for astrophotography. Refractors tend to suffer from chromatic aberration - the different wavelengths of light do not focus at quite the same place due to the Auburn, CA 95603. It seems easier to get details out of deep sky targets than my 8 inch newtonian, even though it has slower optics. $13.99. $899.99. Product Details. For crisp wide field observing and imaging, nothing beats a true triple-element apochromatic refractor (APO). 63 watching. Celestron Advanced VX 6-inch Refractor Telescope. It may only hold two people, and very limited luggage, but it is fun, aesthetically pleasing, and fast. 140 mm. The Meade 70mm Quadruplet APO is a high-quality imaging refractor for wide-field astrophotography. Focal Ratio: f/7, 8x50 Viewfinder. Televue NP-101, 101mm (4-inch) f/5.4 apochromatic refractor: Telescope 2: Meade LX850 (OTA), 10-inch f/8 ACF: Telescope 3: William Optics Star71, 71mm (2.8-inch) f/4.9 apochromatic refractor: Telescope 4: Lunt LS100THa Hydrogen Alpha Solar Telescope (double stacked) and B1800 blocking filter diagonal: An 8 inch apochromatic refractor for $4500 Started by wiseone , Mar 24 2014 10:41 AM Prev Page 2 of 3 1 2 3 Next This topic has been archived. This item: Omegon Apochromatic Refractor Pro APO AP 110/660 ED Carbon OTA. EVOSTAR 72ED. By Ardoamros, July 22, In Stock. $11,534.00. Refractor 80mm. 4 Best 10-Inch Telescopes On The Market In 2022 Reviews. A Celestron C8-A-XLT optical tube (8" aperture, 2032mm focal length) carries a 2010 MSRP of $889 and gathers about 843 times more light than the unaided human eye. I had a 15cm F/8 Newtonian with small central obstruction. The average cost of gasoline was 22 cents per gallon. or Best Offer. Refractor 180 - 185mm. This updated and improved TeleVue refractor optical tube has: new design 127mm f/5.2 four-element Nagler-Petzval apochromatic optical system. In Stock. It's the same optical tube that's used on Celestron's best selling Advanced Series go-to refractor. Buy Sky-Watcher Evostar ED APO 72mm f/5.8 Refractor Guidescope (OTA Only) featuring For Autoguiding, Imaging, Observation, 72mm Apochromatic Doublet Lens, 420mm Focal Length, f/5.8 Focal Ratio, Extra Low-Dispersion Lens Element, Dual-Speed 2" Crayford Focuser, Cradle-Ring Assembly, Vixen Dovetail, Hard Aluminum Carrying Case, OTA Only; Mount and Tripod 883 mm (measured from the center of the last lens surface) F/6.5 . "Apo" reflectors (apochromatic) capture amazing images of the night sky. Meade 70mm Quadruplet APO Review. $799.95. Comes with 2-Inch Series 5000 Enhanced Diagonal, Mounting Bracket and Aluminum, Fully-Padded Carry Case. It was a model 9TE-5 Tasco 60 mm (2.4-inch) f/11.7 700 mm focal length alt-az telescope sold by Sears, Roebuck and Company.It was advertised disproportionally as a 234X telescope. Using the finest quality ED apochromatic glass in a dual-element design, the EvoStar series virtually eliminates all chromatic aberrations, delivering rich contrast and coal-black skies. Refractors, Objective lenses, optical assembly units, focusers and more are available. NOTABLE ARTICLES. For crisp wide field observing and imaging, nothing beats a true triple-element apochromatic refractor (APO). Save Big on new & used Refractor Telescopes from top brands like Celestron, Meade, Orion & more. So what?As a snobby refractor freak for decades, I used to pride myself on doing it almost with regularity. Save Big on new & used Refractor Telescopes from top brands like Celestron, Meade, Orion & more. refractor. or Best Offer. The Astro Lounge. Free Shipping. CFF Telescopes has announced that it will produce a limited edition binoscope based on its 135mm f6.7 Triplet Refractor design. Vixen SD103S 103mm f/8 ED Apochromatic Refractor Telescope (OTA Only) Overview Specs Compare Overview About Vixen SD103S Vixen's new SD103S apochromatic refractor features high-performance Super ED Glass (=SD) made of leading-edge FPL53 glass to deliver extremely clear and sharp images by eliminating color aberration. Stellarvues SV1053SV is a 4.13-inch f/7 apochromatic refractor. Each refractor is individually constructed and tested to ensure that they meet our highest standards, both optically and mechanically. Vixen VSD100F3.8 Type: 4-inch apochromatic refractor Optical design: Five-element front lens Focal length: 380 millimeters Focal ratio: f/3.8 Length: 19.6 With an equatorial mount, such scopes in the 80-100mm aperture range start at under $1000. Cost of a new Unitron Model 142 - 3 inch Equatorial Refractor telescope = $435 ($3,596.84 in 2011 per CPIIC) Cost of a new Unitron Model 145 - 3 inch Photo-Equatorial Refractor telescope = $550 ($4,547.73 in 2011) Average cost of rent per month was $88. Free Shipping for many items! With a clear aperture of 140mm (about 5.5) the APM is an f/7 doublet design using a combination of FPL-53 and lanthanum glass. Top 5 Computerized Automatic Telescopes To Buy In 2022 Reviews. NOTABLE ARTICLES. $449.99. Superb f/6 astrograph or wide-field visual scope! Doublet apochromatic optical design. A refractor is a classic telescope design that uses a collection of lenses to gather and focus light. Orion EON 104mm ED-X2 f/6.25 Triplet Apochromatic Refractor OR-10090. Sky-Watcher - Evostar 150 ED Apochromatic Refractor OTA - S11190. This fast f/5 optical system provides spectacular wide-field images for the discriminating deep-sky observer and astro-photographer. $1,899.99. Show More. 8-inch Alvan Clark Refractor The telescope that sits atop the silo-like structure at Seagrave Memorial Observatory is the pride and joy of the Skyscrapers organization Replacement lens for Model No . POLYCHROMATIC SPOT SIZE 5.8 MICRONS ON-AXIS AND 8 MICRONS AT THE EDGE OF A 0.75 DEGREE FIELD FOR THE 8 INCH. This refractor gives amazing deep sky views and is very sharp on the moon and planets. Sky-Watcher Evostar apochromatic refractor telescopes provide the finest images obtainable in their design class. Refractor 200 - 230mm. Focuser Dual-speed 1:10 rack and pinion. The CFF Telescopes binoscopes are built around two of these optical tube assemblies and shortened to accommodate a 3-inch fusion image system. A 150mm refractor that can compete with a 8" Newtonian needs to be an apochromatic one (ED or triplet), and that is going to cost a great deal of money. I've also owned an Istar 6" achromat refractor but that was an F/12. Search: 6 Refractor Lens. Achromatic lenses only focus two different wavelengths at a singular point whilst APO devices focus 3 wavelengths. Supplier Peak 2 Valley Instruments. This 6" achromatic refractor optical tube is a sensational value! William Optics ZenithStar Z61II 61mm f/5.9 Doublet Apo Refractor with Soft Case - Red # A-Z6 $592.00. At least in the Canon world, Canon has been updating the lenses with the main advancements in lighter weight. 150 mm apochromatic refractor with matched lens assembly with one ED Element. B&H # EXFLAR102EQ3 MFR # FL-AR1021000EQ3. It has a 1200 mm Focal Length with an f/8 Focal Ratio. Oil spaced type, triplet apochromat. The SCT will always have the edge due to the aperture but for sharpness and nice wide field views the refractor is lovely. In Stock. Top 5 Computerized Automatic Telescopes To Buy In 2022 Reviews. The APM 140mm doublet ED apochromatic refractor neatly fills the gap between some very capable 5-inchers and the much more difficult-to-mount 6-inch instruments. Ships from and sold by Astroshop. This premium refractor telescope's generous, 115mm (4.5") aperture collects ample light from faint deep-sky objects to provide crisp images with excellent color correction by virtue of the element of FK-61 extra-low dispersion ("ED") optical glass in its air-spaced triplet objective lens. 530-823-7796. Altair 150EDF apochromatic doublet refractor review. Focusmate 10:1 ratio dual High contrast views of planets and bright deep-sky objects. Achromatic lenses are cheaper. With an aperture of 102mm (4 inches) and a focal length of 1000mm, this refractor is capable of producing outstanding views at magnifications of over 200x, and with a focal ratio of f/9.8, its perfect for imaging the planets. Ioptron Versa 108ED Apochromatic Refractor F6 660mm FL. Explore Scientific FirstLight AR102mm f/9.8 Refractor Telescope with EXOS Nano EQ3 Mount. The AVX 6 is a massive, 6 f/8 achromat atop Celestrons Advanced VX GoTo computerized German equatorial mount. In Stock. 5.0 out of 5 stars 2 ratings | 3 answered questions . Each type of scope has its pros and cons. Credit: Larry Carlino. I tested the Astro-Physics Starfire Refractor with several of my favorite eyepieces, both 1-1/4 and 2-inch diameter, with and without a quality 2-inch Barlow lens. They work together to execute an annual survey of 8 inch refractor telescopes. The apochromatic refractor's medium 805mm focal length gives it a fairly fast, f/7.0 f-ratio which performs exceptionally well for wide-field visual use or deep-sky astrophotography. Length with dew shield retracted 1m . Shop our extensive selection of products and best online deals. Sort By Position Product Name Price Clear Aperture Experience Level Discontinued Set Descending Direction. Add to Cart. Description. Black Diamond ED Refractor. Celestron NexStar Evolution 8" Computerized Telescope CE-12091. 5.9 MICRONS ON-AXIS AND 7.1 MICRONS AT THE EDGE OF A 0.7 DEGREE FIELD FOR THE 10 INCH. Lunt Solar 130mm Modular Telescope, Double-Stack H-alpha with B3400 Blocking Filter LS-LS130MTDS-B3400. PREMIUM ED GLASS: Meade uses the finest Japanese FCD1 ED (Extremely Low Dispersion) glass. Search: 6 Refractor Lens. By using the maximum practical aperture for the [] In the authors opinion anyone seeking a high-quality 4-inch apo refractor who happens across a 4-inch f/8 StarFire for a reasonable price would be hard-pressed to beat it except with a more expensive modern high-end apo refractor such as an Astro-Physics Traveler, TMB 100/800 or 105/650, or Takahashi 4-inch. Includes Observer II 70mm telescope, 25mm and 10mm eyepieces, red-dot sight, diagonal, Shorty 2x Barlow, MoonMap 260, Telescope Observer's Guide book and more! Finally, buying (big) apo refractors is a bit like buying a sports car. MINT CONDITION: Astro-Physics 175 EDF f/7.5 triplet apochromatic refractor with 4 inch focuser, dual speed Feathertouch 9:1 Micro-focuser, Astro-Physics 8 inch mounting rings (80RING2), 16 inch dovetail plate (SBD16), and storage 127mm Carbon Fiber Apochromatic Refractor . In truth, achromats only correct for two of the three main colors. OBJECTIVE LENSES. This 8-inch Dobsonian telescope features a two-inch Crayford-style focuser that comes with all-metal bearings. Its 8 aperture allows it to resolve details down to 0.57 arc-seconds across and can be viewed using the two included 1.25 Plossl eyepieces (9mm & 26mm). Sky-Watcher Evostar refractors provide the finest images obtainable in their design class. In Stock. PREMIUM ED GLASS: Meade uses the finest Japanese FCD1 ED (Extremely Low Dispersion) glass. 8-inch Alvan Clark Refractor The telescope that sits atop the silo-like structure at Seagrave Memorial Observatory is the pride and joy of the Skyscrapers organization Replacement lens for Model No . Credit: Larry Carlino. Packing and shipping costs for the 5" or 6" assemblies in the continental US is $95.00. Orion EON 110mm ED f/6.0 Apochromatic Refractor Telescope. $900.00. The light-duty EXOS German equatorial mount features slow motion control for precision tracking of targets. SkyWatcher Evostar 150 ED is the apochromatic refractor with 150mm diameter and 1200mm focal length (f/8), doublet ED lens. Get your 8 inch refractor on Alibaba.com from an extensive selection of sturdy and powerful items. Free Shipping. The Meade was heavier and needed a more heavy duty mount. REVIEWS. A traditional apochromatic 8 inch refractor is an eye-watering 36,800 Euros. 1200mm Focal Length, f/8 Focal Ratio. We feel this is truly a lifetime instrument. Advanced VX features significantly larger base castings than our previous design, improving stability under heavier loads. Explore Scientifics broad selection of refracting telescopes includes apochromatic refractors ranging in aperture from 80mm to 165mm, achromatic telescopes perfect for astronomy outreach and beginner refractors from brands like National Geographic and Discovery that are great for The AT152EDT comes with a 3.7" Dual Speed Racking and Pinion focuser that rotates and has 98mm of travel. $2,779.00. Focal Length: 700mm. Best 5 Apochromatic Telescope For Astrophotography Reviews. Celestron Advanced VX 6" Refractor Telescope. TeleVue produces some of the finest apochromatic refractors available anywhere today, and they do it here in the USA! ASTRO IMAGES. 146 mm. Orion EON 115mm Triplet Apochromatic Refractor OR-10285. The APM 140mm doublet ED apochromatic refractor neatly fills the gap between some very capable 5-inchers and the much more difficult-to-mount 6-inch instruments. Aperture 150mm (6-inch) Focal length 1,200mm, f/8. Dual-Speed 2" Rack-and-Pinion Focuser. The APO250VT F/8.8 is TECs most powerful telescope and is considered an observation class instrument. This compact 70-mm f/6 triplet uses an Ohara FPL53 ED element combined with broadband coatings to achieve high-contrast views free from color fringing. $61.27 / Month *. More Details. An apochromatic refractor will outperform any other scope of the same aperture on pretty much any target. The objective lens cell is fully collimatable for peak optical performance, via a series of push/pull collimating screws 3 apochromatic refractor is a FPL-53 quadruplet with 71 mm lens diameter and 450 mm focal length designed for astrophotography with corrected and illuminated circle up to full-frame The lens, cell, tail stock and 2 inch focuser are all by Jaegers A Celestron C8-A-XLT optical tube (8" aperture, 2032mm focal length) carries a 2010 MSRP of $889 and gathers about 843 times more light than the unaided human eye. The alternate images provided include three actual images taken using this instrument. High-quality doublet "apo" refractors are dropping considerably in price of late. 127mm Carbon Fiber Apochromatic Refractor . Aperture : 200mm/8"inch. Air-spaced Apochromat in a closed tube system. Specifications: Explore Scientific 127ED Apochromatic Refractor. (It is also physically shorter and lighter than an SV115T and fits on the same mounts.)
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