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User Manual for Konus MotorMax-90 90mm f 13.3 Maksutov-Cassegrain Telescope with RA Motor Click to enlarge the picture
Contents of the user manual for the Konus MotorMax-90 90mm f 13.3 Maksutov-Cassegrain
- Product category: Catadioptrics (Cassegrains) Konus
- Brand: Konus
- Description and content of package
- Technical information and basic settings
- Frequently asked questions – FAQ
- Troubleshooting (does not switch on, does not respond, error message, what do I do if...)
- Authorized service for Konus Catadioptrics (Cassegrains)
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User manual for the Konus MotorMax-90 90mm f 13.3 Maksutov-Cassegrain contain basic instructions
that need to be followed during installation and operation.
Before starting your appliance, the user manual should be read through carefully.
Follow all the safety instructions and warnings, and be guided by the given recommendations.
User manual is an integral part of any Konus product,
and if it is sold or transferred, they should be handed over jointly with the product.
Following the instructions for use is an essential prerequisite for protecting
health and property during use, as well as recognition of liability on the part of the manufacturer
for possible defects should you make a warranty claim. Download an official Konus user manual in which you will find instructions on how to install, use, maintain and service your product.
And do not forget – unsuitable use of a Konus product will considerably shorten its lifespan!
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Product description Konus's MotorMax-90 90mm f/13.3 Maksutov-Cassegrain Telescope employs a front convex meniscus lens that not only eliminates the need for periodic collimation, but also requires a smaller secondary mirror when compared to a Schmidt-Cassegrain design. The Mak-Cass optical path results in a slower focal ratio and narrower field of view versus a similar Schmidt, but the optical benefits make this an ideal scope for planetary and double-star observation.The scope is outfitted with a German equatorial mount and features a Right Ascension (RA) motor to track objects during extended observation sessions. To make manual adjustments, there are also RA and declination cables. Utilizing the RA motor not only frees you to concentrate on observation, it also greatly reduces vibration—especially at higher magnifications—for clearer viewing.An internal flip mirror redirects the light path from the eyepiece holder on top of the optical tube assembly to the visual back, and for more comfortable viewing a 45° star diagonal is also included. The scope comes with two eyepieces that produce 70x and 120x power as well as a Moon filter to safely observe the Moon. - Optical Performance
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- 3.5" (90mm) aperture
- f/13.3 focal ratio
- 1200mm focal length
- Compact Maksutov-Cassegrain optical design
- Front convex meniscus lens helps to correct for spherical aberration for reduced distortion at the edges of the field of view
- Anti-reflection multi-coated optics reduce light loss and increase contrast and image brightness
- Internal flip mirror directs optical path from visual back to upper 90° eyepiece holder
- Mount
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- German equatorial mount
- RA tracking motor, runs on one 9V battery
- Manual RA and declination slow-motion cables
- Bar and counterweight for proper balancing
- Aluminum two-stage tripod, adjusts from 29 to 48" high
- Included Accessories
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- 10mm focal length, 1.25"-diameter barrel eyepiece: 120x power
- 17mm focal length, 1.25"-diameter barrel eyepiece: 70x power
- 45° star diagonal, 1.25" barrel, for viewing through the visual back
- Moon filter for safe observation, especially during full phases
- 8x21 straight-view finderscope
- Smartphone holder
In the Box Konus MotorMax-90 90mm f/13.3 Maksutov-Cassegrain Telescope with RA Motor RA Tracking Motor 9V Battery 8x21 Finderscope 45° Star Diagonal Moon Filter 10mm Plossl Eyepiece 17mm Plossl Eyepiece Aluminum Tripod Smartphone Holder Limited 2-Year Warranty Table of Contents
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Technical parametersKonus MotorMax-90 Specs | Optical Design | Maksutov-Cassegrain | | Aperture | 3.5" / 90mm | | Focal Length | 1200mm | | Focal Ratio | f/13.3 | | Eyepiece Barrel Diameter | 1.25" | | Diagonal | 45° star | | Finderscope | 8 x 21 straight view | | Tripod | Two-stage aluminum
Adjustable: 28.7 - 47.6" / 73 - 121 cm | | Mount Type | German equatorial with RA motor | | Power Source | 1 x 9 V battery, for RA motor | | Optical Tube Dimensions | Not specified by manufacturer | | Weight | Not specified by manufacturer | | | | Package Weight | 19.5 lb | | Box Dimensions (LxWxH) | 29.5 x 12.7 x 8.3" |
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