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APM 10mm Ultra Flat Field Eyepiece 60°

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These 1.25" Ultra Flat Field Eyepiece are made to a high standard and feature a compact form factor. Integral to the design brief was the emphasis on removing field curvature, resulting in a flat, distortion-free image up to the edge of the visible field of view even in very fast (low focal ratio) telesocpes and binoculars. The eyepiece has oversized eyepiece lenses for the largest possible field of view and 16mm eye relief. This also makes them also suitable for spectacle wearers. A foldable eyecup is also provided for comfort. All lenses feature broadband multicoating (FMC) and blackened lens edges for maximum contrast. The nose of the eyepiece is threaded for 1.25" filters. This eyepiece also features an M34 thread for digiscoping adapters.

The APM UFF range of eyepieces offer quality comparable to reference products like the TeleVue Panaoptic but at a much lower price.

Type Flat Field Eyepiece
Focal Length 10mm
Field of View 60°
Eye Relief 16mm
Eye Gaurd Rubber / Foldable
Lenses / Groups 5 Elements in 4 groups
Field Stop 14.7mm
Coating Broadband Multi-coated
Nosepiece 1.25" with thread
Diameter 17mm (Eye Lens)
Length 26mm (Excl Nosepiece)
Weight 79g


Browse these categories as well: Flat Field / Binocular Eyepieces, Wide Angle Eyepieces 60°-76°, APM Telescopes