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Askar SQA60 Pro 60/276 mm f/4.6 is a compact Petzval APO astrograph designed for wide-field astrophotography. Its optical design uses six air-spaced lens elements in a 3+2+1 configuration, including two SD glass elements. Thanks to the self-flattened Petzval design, the telescope supports a full-frame 44 mm image format without the need for an additional flattener.
• sextuplet air-spaced Petzval APO astrograph
• two SD glass optical elements
• 60 mm aperture and 276 mm focal length
• f/4.6 focal ratio for wide-field astrophotography
• support for full-frame 44 mm imaging format
• self-flattened Petzval design with no additional flattener required
• rear-end connection range of 41-66 mm, with 55 mm recommended connection length
• 2.8" rack-and-pinion dual-speed focuser with 25 mm travel
• 360° rotator with engraved scale for camera angle adjustment
• rear M48 adapter with M48 × 0.75 filter thread
• front filter thread with 82 mm diameter
• dual finder bases located on both sides of the focuser
• 290 mm Vixen-style dovetail plate
• Askar SQA60 Pro OTA
• Oxford cloth case
• manufacturer code: SQA60pro
• optical design: sextuplet Petzval APO, including 2 SD glass elements
• aperture: 60 mm
• focal length: 276 mm
• focal ratio: f/4.6
• supported image format: full frame 44 mm
• total length: 283 mm
• OTA weight: 2.79 kg
• gross weight with tube ring and dovetail plate: 3.54 kg
• focuser: 2.8" rack-and-pinion dual-speed focuser
• focuser travel: 25 mm
• rotator: 360° with engraved scale
• front filter thread: 82 mm diameter
• thread before rear adapter: M62 × 1
• rear adapter: M48 with M48 × 0.75 filter thread
• rear-end connection range: 41-66 mm
• recommended rear-end connection length: 55 mm
• dovetail plate: Vixen style, 290 mm length
The Askar SQA60 Pro combines a short focal length, fast optical system and full-frame image field, making it a practical mobile astrograph for imaging large deep-sky objects.
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