Sharpstar-Askar
Sharpstar Optics, founded in 2000, is specialized in research, development and production in the field of astronomy. Sharpstar and Askar are the two of the company' s brands dedicated to providing customers with high-quality products and services. In addition to a series of high-quality astronomical telescopes widely praised by the market, it also has a strong OEM background for more than 10 years.
This flattener is designed for the Askar 103APO and corrects curvature and coma.
- Designed for the Askar 103APO
- corrects curvature and cona
- Screwed to the focuser
- Camera-side threads M68x1, M54x0.75 and M48x0.75
- 55 mm backfocus from M48 thread
This reducer effectively shortens the exposure time and significantly increases the field of view.
- Designed for the Askar 103APO
- Reduces the focal length by a factor of 0.8
- Screwed to the focuser
- Camera-side threads M68x1, M54x0.75 and M48x0.75
- 55 mm backfocus from M48 thread
This reducer effectively shortens the exposure time and significantly increases the field of view.
- Designed for the Askar 103APO
- Reduces the focal length by a factor of 0.6
- Screwed to the focuser
- Camera-side threads M68x1, M54x0.75 and M48x0.75
- 55 mm backfocus from M48 thread
The Askar 103APO is a 103 mm aperture, 700 mm focal length, and f/6.8 native focal ratio apo refractor with many useful features and several corrector options.
- Aperture 103 mm - focal length 700 mm - focal ratio f/6.8
- Triplet objective with one ED element
- Stable 3.3" RAP focuser with dual speed, 360° rotation and 100 mm travel
- Sufficient working distance for observing with 2" accessories and for photography
- Flattener and two reducers available (0.6x and 0.8x)
- CNC tube rings with Vixen/EQ5 style dovetail bar and carrying handle
- Two finder shoes
The Askar 0,8x Reducer - Corrector for the 140mm f7 Triplet APO turns the 140 mm APO into a fast Astrograph.
- designed for the Askar 140APO
- brings the focal ratio down to f5.6
- suitable for full frame cameras
The Askar 1.0x corrector for the 140mm f7 Triplet APO provides a very good image quality across the entire field of view.
- developed for the Askar 140APO
- provides very good image quality across the entire field of view
- suitable for full-frame cameras
The Askar 140APO is an apo refractor with 140 mm aperture, 980 mm focal length and a focal ratio of f/7 with many practical features.
- Aperture 140 mm - Focal length 980 mm - Focal ratio f/7
- Triplet objective with one ED element
- Stable 3.5" dual-speed RAP focuser with 360° rotation connection and 100 mm adjustment travel
- Sufficient working distance for observation with 2" accessories and for photography
- Flattener and two reducers available (0.8x)
- CNC tube rings with dovetail bar (Losmandy style) and carrying handle
- Two finder shoes
The Askar 1.0x corrector for the 160 mm f/7 triplet apo provides a very good image quality across the entire field of view.
- developed for the Askar 160APO
- provides very good image quality across the entire field of view
- suitable for full-frame cameras
The Askar 160APO is an apo refractor with 160 mm aperture, 1120 mm focal length and a focal ratio of f/7 with many practical features.
- Aperture 160 mm - focal length 1120 mm - focal ratio f/7
- Air-spaced triplet objective with one ED element
- Stable 3.5" dual-speed RAP focuser with 360° rotator and 100 mm drawtube travel
- Sufficient working distance for observation with 2" accessories and for photography
- CNC tube rings with dovetail bar (Losmandy) and carrying handle
- Two finder shoes
The Askar 203APO is one of the largest apochromatic refractors from series production - a powerful refractor for your observatory
- Aperture 203 mm - focal length 1421 mm - focal ratio f/7
- Air-spaced triplet APO objective with one ED element
- Stable 3.5" RAP focuser with speed reduction and 100 mm travel
- Working distance suitable for photo correctors and 2? accessories for observation
- Suitable for EAF motorized focus
- Two finder shoes - 1x for finder - 1x for mini guide scope
This reducer effectively shortens the exposure time and significantly increases the field of view.
- Designed and optimized for the Askar 120mm f/7 APO
- Reduces the focal length by a factor of 0.8 to 672 mm
- Screwed to the focuser
- Camera-side threads M54x0.75 and M48x0.75
- 55 mm backfocus from the base of the M48 thread
This flattener is designed for the Askar 103APO and corrects curvature and coma.
- Designed for the Askar 120APO
- Corrects curvature and cona
- Screwed to the focuser
- Camera-side threads M54x0.75 and M48x0.75
- 55 mm backfocus from the base of the M48 thread
