ExtraFlat Wide-Angle 27mm 1.25-inch Eyepiece by OVL
ExtraFlatTM Wide-Angle 1.25" Eyepiece with 27mm Focal Length from OVL (Optical Vision Ltd, the official Skywatcher distributor in the UK and Western Europe).
Edge-to-edge distortion free images
The exotic 1.25” ExtraFlat™ 5 or 6-element eyepiece design packs premium features and high-end performance into a surprisingly affordable package.
The optical designer has succeeded to remove peripheral field curvature so now you can enjoy flat, virtually distortion-free images from the centre-to-edge of the field.
Optical performance is impressive, with excellent sharpness, contrast and colour rendition.
All models are fully broadband multi-coated, feature blackened lens edges and are parfocal.
All models feature oversized eye-lens elements, wide fields of view, long eye-relief for spectacle wearers, and soft twist-up rubber eyecups for comfortable viewing.
Beautifully finished in high-gloss anodized aluminium with knurled rubber grips.
Threaded to accept standard 1.25” filters.
Available in focal lengths of 16mm, 19mm & 27mm.
Apparent field of view: 53°
Eye relief: 23mm
|Focal Ratio f/|
|Focal Length (mm)||27|
|Eye Relief (mm)||23|
|Angular Field of View (degrees)||53|
|Weight in Kg||0.25|