2800mm focal length (f/10) Fastar compatible. I couldn't tell you where that came from or the justification behind it, but that's the guidance I'd heard. 11-inch Schmidt-Cassegrain aluminum optical tube assembly. Available - Needs Evaluation : Accessory: Finderscope: 11" Schmidt-Cassegrain Optical Tube Assembly. At only 24 inches long and . 14" EdgeHD Optical Tube Assembly. Main tube is interior painted in ultra flat black. The F050M3 finder scope is similar to our F050G guide scope except the focuser rotates when you focus and it includes our E3023R reticle eyepiece. Includes a built-in autoguider port, 9x50 finder scope, 40mm 1.25" telescope eyepiece, and more. Weighs 71 lbs. 1000mm Focal Length, f/5 Focal Ratio Anti-Reflection Fully Coated Optics 1.25" Rack-and-Pinion Focuser Show More The Celestron Advanced VX 8 200mm f/5.0 Reflector Telescope Optical Tube is optimized for lunar, planetary and deep-space viewing and astroimaging. Focal Length: 2350 mm (93 in) Focal Ratio: 10; Focal Length of Eyepiece: 23 mm (0.91 in) Magnification of Eyepiece: 102 x; Finderscope: 9x50; Star Diagonal: 2" w/ 1.25" adapter; Optical Tube: Aluminum; Highest Useful Magnification: 555 x; Lowest Useful Magnification: 34 x; . Available: Telescope: . 9x50 finderscope to help accurately find objects. 1. Link to comment Share on other sites. Tests have confirmed that guiding is successful at focal lengths of up to 1500mm and more. 2350mm focal length (f/10) 23mm Axiom 2" eyepiece included (102x) 9x50 finderscope to help accurately find objects; Visual back allows for use with 2-inch accessories. Finderscope: Celestron: 9x50 finderscope, direct view (no diagonal), Aluminum tube: Model #51611. Aluminum Optical Tube. assembled. 11" Schmidt-Cassegrain Optical Tube Assembly (OTA) Features Celestron's premium patented StarBright XLT optical coatings. 6" (150mm) f/8 telescope objective lens is perfect for high contrast planetary views The most compact and portable of Celestron's German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an improved industrial design Holds a maximum instrument capacity of 30 lb NEW. This results in a very slow focal ratio of f/10 and a focal length of 2800mm for the 11" optical tube. Celestron EdgeHD 9.25" - General Features 9.25 EdgeHD Optical Tube Assembly; Aluminum Optical Tube; Celestron's premium StarBright XLT coatings; 2350mm focal length (f/10) 23mm Axiom 2" eyepiece included (102x) 9x50 finderscope to help accurately find objects Mirror Support Knobs hold the mirror in place . Celestron's premium StarBright XLT coatings 2032 mm focal length (f/10) 40 mm eyepiece included (51x) Visual back allows for use with 1.25" accessories 9x50 finderscope to help accurately find objects Star diagonal provides more comfortable viewing position when observing objectsthat are high in the sky Included: * Celestron #51611 9x50 Finder scope. Celestron 9x50 Right Angle Illuminated Finder Scope - 93781 Add to Wish List In stock Free shipping $159.95 Add Apertura Lens Pen Optics Cleaning Tool - A-PEN to your order + $8.99 Add to Cart As low as $5.17/Month Industry's Best Gear Experts Non-Commissioned Product Advisors Ask an Expert 800.266.9590 Live Chat Email Description This Right Angle Corrected Image (RACI) device makes it easier for an observer to locate a celestial body through the finderscope when the optical tube is pointed toward zenith. Equipped with StarBright XLT coatings, this Schmidt-Cassegrain telescope delivers an impressive 97.4 percent of light transmission. Posted March 21, 2013. * Celestron #93007-A 25mm Wide-Angle SMA eyepiece. Top The rule of thumb I've heard is that the focal length of your guide scope should be no less than 1/3 the focal length of your imaging scope. Your Price: $2,599.95. This 70mm telescope is easy to transport, and the low weight and portability allow you to take it anywhere. Includes dovetail rail compatible with CGE mount. Allows for viewing or astrophotography across the meridian without interference from motor housings NexStar hand controller offers multiple language programming (English, French, Italian, German, Spanish) Includes a built-in autoguider port, 9x50 finder scope, 20mm 1.25" telescope eyepiece, and more. Item #CELE-91036-XLT. Celestron's premium StarBright XLT coatings. Celestron's premium StarBright XLT coatings. The Celestron Advanced VX 8 EdgeHD is a complete astroimaging platform for deep sky observation and image capture that combines the new Advanced VX computerised mount with Celestron's best optics, the EdgeHD optical system. FEATURES. . X-Cel LX 25mm Eyepiece - 1.25" Learn More. Finderscope Installation The finderscope must first be mounted in the . Write a Review. James. Other fittings are black anodized. Luminos-series wide-angle 82 field of view 2"-diameter barrel Accepts most 2" eyepiece filters 23mm focal length yields 122x power Parfocal with all Luminos eyepieces, allowing it to be changed out with other Luminos eyepieces without having to adjust the focus Retractable eyecup for use with or without eyewear Reducer adapter: This finderscope employs a high quality 210 mm focal length, broadband fully multi-coated objective lens as in our top rated F50M2 finderscopes. Omni 4mm Eyepiece - 1.25" Learn More. This package combines the groundbreaking Advanced VX mount with Celestron's best optics, the EdgeHD optical system. CG-4 Polar Axis Finder Learn More. Requires three SR-54 batteries for illuminator operation, included. 2800mm focal length (f/10) 23mm Axiom 2" eyepiece included (102x) 9x50 finderscope to help accurately find objects 2" diagonal provides more comfortable viewing position when observing objects that are high in the sky Mirror Support Knobs hold the mirror in place and reduces image shift during imaging. Works with most short-medium focal length imaging systems. This finder scope weighs 18 ounces. I have a Celestron, which I believe uses the same lens. AT6M Six inch Maksutov-Cassegrain with finder, f/12, Focal Length 1800mm, 14.2 Lbs, Vixen dovetail (no mount) 6 inch Maksutov, Metal tube with finder. Celestron Illuminated RACI Finder Scope | 23% Off 4.4 Star Rating w/ Free Shipping Toll-Free: +1-800-504-5897 Help Center Check Order Status About Us Policies Reviews How To Sign In or Register All Search 0 Shopping Cart Deals 2555 Mail-in Rebates Coupons Seasonal Promotions Clearance Bonus Bucks . The Celestron C11-A packs serious light gathering ability into a rugged aluminum optical tube. CG-5/AVX/CGEM Polar Finderscope Learn More. E621Keith. Best Of The Best: Celestron - 70mm Travel Scope - Portable Refractor Telescope. I dunno if there is a rule of thumb, but I can tell you that your choice will be fine. Celestron's premium StarBright XLT coatings; 2800 mm focal length (f/10) 40 mm eyepiece included (70x) Visual back allows for use with 1.25" accessories; 9x50 finderscope to help accurately find objects; Star diagonal provides more comfortable viewing position when observing objects that are high in the sky; Includes dovetail rail compatible . 9x50 optical finderscope for locating alignment stars; . 3910mm focal length (f/11) 23mm Axiom - 2". 9x50 finderscope to help accurately find objects. The Celestron 11" EdgeHD OTA is an aplanatic Schmidt-Cassegrain design, simply meaning it uses mirrors and corrector plates. Celestron's premium StarBright XLT coatings 2032 mm focal length (f/10) 40 mm eyepiece included (51x) Visual back allows for use with 1.25" accessories 9x50 finderscope to help accurately find objects Star diagonal provides more comfortable viewing position when observing objects that are high in the sky 3910mm focal length (f/11) 23mm Axiom - 2" 9x50 finderscope to help accurately find objects 2" diagonal provides more comfortable viewing position when observing objects that are high in the sky Mirror Support Knobs hold the mirror in place and reduces image shift during imaging. 9x50 finderscope to help accurately find objects Star diagonal provides more comfortable viewing position when observing objects that are high in the sky Mirror Support Knobs hold the mirror in place and reduces image shift during imaging Tube vents with integrated 60 micron mesh filter allowing hot air to be released from behind the primary mirror 6" (150mm) f/8 objective lens is perfect for high contrast planetary views The most compact and portable of Celestron's German equatorial mounts offers the same rigidity as our larger mounts with minimal flexure and an improved industrial design Holds a maximum instrument capacity of 30 lb 9x50 finderscope to help accurately find objects. 2800mm focal length (f/10) Fastar compatible; Tube constructed of durable and lightweight aluminum; Includes: 40mm eyepiece (70x), 9x50 optical finderscope, star diagonal, 1.25" visual back, CGEM-style dovetail bar; . Celestron's revolutionary skyalign plus an internal GPS make alignment a snap. Celestron EdgeHD 800 8" Optical Tube Assembly 91030-XLT, OTA Telescope | 23% Off Free Shipping over $49! Illuminated Right Angle Correct Image Finderscope Learn More. E621Keith. 2.78x more light gathering ability than the smaller 6x30 model! Features multi-coated achromatic optics, adjustable focus, 13mm eye relief and a fold-down rubber eyeguard for comfortable use. Tube constructed of durable and lightweight aluminum. + FREE Shipping. Star diagonal provides more comfortable viewing position when observing objects that are high in the sky Convenient remote hand control holder - Allows you to view information hands-free while using the scope Specifications In The Box Mount/OTA Tripod Accessory Tray 40mm Eyepiece 1.25" Star Diagonal 50mm 9x50 Finderscope with Bracket The specifications for a finderscope stand for the magnification and the aperture, in millimeters, of the scope. Stability is excellent if screws are tightened firmly and cables tied up. With that you could go to https://astronomy.to./field_of_view/ select a custom scope with a 50mm objective and a enter a trial focal length say 200mm. 2800mm focal length (f/10) 23mm Axiom 2" eyepiece included (122x) 9x50 finderscope to help accurately find objects 2" diagonal provides more comfortable viewing position when observing objects that are high in the sky Mirror Support Knobs hold the mirror in place and reduces image shift during imaging 2800mm focal length (f/10) Fastar compatible. Star diagonal and a dovetail rail compatible with . Focal Length (mm) 2032 mm (80 in) Focal Ratio: 10: Eyepiece 1 (mm) 40 mm (1.57 in) Magnification 1: 51 x: Finderscope: 9x50: Optical Tube: Aluminum: Fastar Compatible: Yes: Tripod: Adjustable, Stainless Steel .

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