APM Ultra-Flat Field 10mm 5-element 60° eyepiece--1.25"
- 10mm focal length
60° field of view 16mm eye relief Foldable rubber eyecup 5 elements in 4 groups Blackened lens edges 14.7mm field stop Fully multi-coated 1.25" filter threads 80g
The 1.25" UltraFlat Field Eyepiece features a high quality standard and a very compact design, which is designed to remove the field curvature at the edge, resulting in a flat, distortion-free image up to the edge of the visible field of view, even in very fast telescopes. The eyepiece has over - sized eyepiece lenses for the largest possible field of view and a 20mm eyerelief - also suitable for glasses wearers, the unfoldable eye-rubber allow a comfortable view. All lenses have a broad-band-multicoating (FMC) and blackened lens edges. The barrel is threaded for 1.25 "filters.
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