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optical design | Maksutov-Cassegrain |
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aperture | 127 mm |
effective focal length | 1540 mm |
focal ratio | f/12.1 |
central obstruction diameter | 39 mm |
primary mirror coating | Aluminum with overcoat |
meniscus lens coating | Anti-reflection multi-coatings on both sides of lens |
eyepiece adapter | Accepts 1.25” accessories, camera T-threads |
eyepiece | 25 mm Sirius Plössl, fully coated with multicoatings, 1.25” format |
magnification with supplied eyepiece | 62x |
actual field of view with supplied eyepiece | 0.77° |
diagonal | 90° mirror star diagonal, 1.25” format |
near focus with supplied eyepiece and diagonal | 27 feet |
finder scope | 6x magnification, 26 mm aperture, correct-image, achromatic, 6.3° field |
finder scope bracket | Dovetail mounting, spring-loaded X-Y alignment |
optical tube mounting plate | Fits standard photo-style tripods and EQ-3 equatorial mount |
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mount | EQ-3, German-type equatorial |
slow-motion controls | R.A. and Dec. axes |
setting circles | R.A. scaled in 10 minute increments, Dec. scaled in 2° increments |
counterweights | 4.0 lbs and 7.5 lbs |
tripod | Adjustable-height aluminum legs, accessory tray included |
weight | 36.6 lbs (tube 8.6 lbs, mount 28 lbs) |
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case | Deluxe carry case for optical tube included, padded case for EQ-3 mount optional |
motor drives | Optional |