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Designed for enhanced astrophotography and imaging performance, the Bresser 8" f/3.9 Reflector Telescope has a shortened focal length versus conventional scopes with a similar aperture to produce a fast f/3.9 focal ratio - translating to shorter exposure times. The optical tube assembly (OTA) is offered here without a mount or tripod for users that already have an observational platform. To ensure crisp images, the scope is outfitted with the 'Clik-Fix' secondary mirror mechanism that allows users to make fine adjustments to the mirror position to perfectly collimate it with the primary mirror without the need for tools, and a coma corrector to eliminate halos that can appear around brighter images and allows users to easily split binary stars. Its large 8" primary mirror allows planets and the Moon to appear bright and clear while having the capacity to see out of the solar system to observe and image nebulae, galaxies, and binary stars.
While there is no mount included, a mounting cradle-ring assembly is provided. It clamps over the optical tube and lets the user adjust the orientation and position of the scope relative to the mount to optimize viewing comfort and balancing, while avoiding interference with other equipment. A stainless steel Vixen-style dovetail plate makes it compatible with any alt-az or equatorial mount with a Vixen-style saddle.
The scope is equipped with a 2" focuser for over-sized eyepieces and accessories, and comes with a 1.25" reducer adapter to use smaller and more popular eyepieces. The focuser is a Crayford-style, instead of the more common rack-and-pinion, which uses a steel rod held tightly against the drawtube to provide a toothless friction system that eliminates backlash and enables ultra-fine precision focusing with its 10:1 reduction micro-focusing knob.
Focal ratio: f/3.9
Focal length: 812mm
Reflector-style optical design
0.6 arc second resolution
Click-Fix collimation/alignment system on the secondary mirror allows for fast and easy adjustment
Includes a coma corrector to reduce halos around bright objects and to easily split binary stars
Requires user-supplied mount and tripod
Vixen-style dovetail mounting plate
Integrated 1/4"-20 piggyback camera mounting screw
Mounting ring cradle enables OTA orientation adjustment relative to mount
Carrying handle for safe set-up and break-down
2" diameter drawtube
Coarse-focus knob, 10:1 fine-focus knob
Crayford focusers use a toothless friction system that allows for super-fine precision focusing without backlash
1.25" adapter to use smaller eyepieces and accessories