Askar F/4.9 0.7x Reducer for 80ED (R80ED07) eyepiece case or set which gives you a larger

which gives you a larger field of view

The effect is greatest on achromatic lens telescopes

Control your astrophotography imaging setup wirelessly with the ASIAIR Mini

25 | NexStar SE 6/8 Latitude Range: 0° - 70° Included Items: Wedge | 5 hex keys for assembly | Instruction manual

Numerous holes for mounting on a wide variety of telescopes

Askar F/4.9 0.7x Reducer for 80ED (R80ED07) eyepiece case or set which gives you a largerThe 0. 7x reducer reduces the Askar 80ED to f 4. 9 while also providing field flattening correction. It features a triplet design with one ED glass, optimized for the APS C frame. The total weight is 0. 32 kg. The back focus is a standard 55mm from the M48 threaded surface. At present, few telescopes of the same type on the market are equipped with a reducer of this reduction factor. The shorter focal ratio delivers an even wider field of view and