The Askar 80ED telescope is offered with three optional accessories for astrophotography: a 0.7x reducer, a 0.85x reducer, and a 1.0x field corrector (flattener). The user can select the appropriate optical element depending on the needs when observing and photographing objects with the 80ED telescope.

Technical parameters – flattener 1.0x

• focal length after use: 560 mm
• light intensity after application: f/7
• optical design: triplet (including one ED lens)
• image wheel: APS-C
• back focus: 55 mm (from the base of the external thread M48)
• weight: 0.42 kg
• rear thread: M54×0.75
• additional thread: M48×0.75 (with internal filter thread M48×0.75)