SVBONY SV190 Ultra Flat Field Eyepiece, 1.25 Inch UF 18mm Telescope Eyepiece, Fully Multi-Coated Feature Blackened Lens Edges

SVBONY SV190 Ultra Flat Field Eyepiece, 1.25 Inch UF 18mm Telescope Eyepiece, Fully Multi-Coated Feature Blackened Lens Edges

Flat field eyepiece; offer corrected field curvature; you will observe an image not just in the centre but right out to the outer edge Clear image; fully multi-coated and blackened lens edges to reduce reflections; 8 lens 5 groups give you an image of high colour purity and excellent contrast Comfortable; 65° wide field of view keeps stars planets and lunar details in focus across the field of view; 20mm eye-relief is ideal for long intensive observing sessions Eyecup; folded-up eyecup fit for glasses wearers or not; removing eyecup has a m42x0.75 thread for astrophotography 18mm eyepiece; medium power eyepiece for a bright, low power view of the moon and most all deep-sky objects 65° field of view Flat field eyepieces offer 20-30% larger fields of view than a standard eyepiece.It keeps stars planets and lunar details in focus across the field of view Flat field eyepiece Flat Field eyepieces offer corrected field curvature, normally one of the flaws in optical imaging. This correction provides excellent Optics from the center of the field, all the way to the edge,not just in the centre.These eyepieces let you observe objects just as they appear in reality Main features: offer corrected field curvature Fully multi-coated and blackened lens edges .8 lens 5 groups optical lens 65° wide field of view 20mm eye-relief folded-up eyecup M42x0.75 thread for astrophotography Package Includes: 1xSV190 18mm 1.25" Ultra Flat Field Eyepiece 1xLens Covers (Objective and Eyepiece) 1xLens Cleaning Cloth