Camera Accessories
Svbony SV190 Telescope Eyepiece 1.25”, 10mm Ultra Flat Field 60 ° Field of View Eyepiece, Fully Multi Coated Telescope Lens for Planets Moon Observation
Ultra flat field eyepiece; SV190 can achieve the purpose of correcting the defects of field curvature; Provides excellent optics from the center of the field, all the way to the edge Clear image; fully multi-coated optics and 5-element lens design...
https://www.bizrate.co.uk/cameraaccessories/svbony-sv190-telescope-eyepiece-1-25-oid18096471955.html