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.
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 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
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
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 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 photo apochromat has not only two objective lens (80 mm and 60 mm), but also three accessories (reducer, extender and flattener). Users can choose and adapt accessories according to their needs in focal lengths.
- Two different apertures, many different focal lengths and focal ratios
- With optional star diagonal also very good for visual use
- Dew shield for night use with 80 mm aperture, retractable
- Connections 2" and 1.25", photographically also M54 and M48
- Separate finder shoe
- Vixen standard dovetail bar
- In daytime observing configuration with 60 mm aperture especially light and compact, the smaller focal length allows larger fields of view
The 60F is a very transportable APO refractor for astrophotography with corrected field of view up to full frame format and for observing up to the highest magnification range.
- Aperture 60 mm / focal length 408 mm / focal ratio f/6.8
- 4-element system with colorless ED triplet objective and one correction element built into the tube
- 44 mm illuminated image circle with very good correction up to full-frame format
- Stable 2.4" dual-speed RAP focuser with 360° rotation, threaded connections, 2" adapter and 1.25" adapter
- Sufficient working distance for observation with 1.25" accessories
- Suitable photo adapters are included in the scope of delivery
- Tube rings with Vixen/EQ5 style dovetail bar (230 mm) and carrying handle
- 2 finder shoes for standard finders and mini guide scopes included
- Retractable dew shield
- Lightweight (2.9 kg) and short (289 mm) - suitable for traveling
