
SVBONY SV41 25-75X70 Waterproof Anti-Fog Telescope Refraction Optical System Zoom BAK4 Prism Long Range Monoculars with Tripod
SVBONY SV41 25-75X70 Waterproof Anti-Fog Telescope Refraction Optical System Zoom BAK4 Prism Long Range Monoculars with Tripod Color: Black Material: ABS Precise details: Specification: Aperture 70mm Focal Length 780mm Focal Ratio 11.2 Eyepiece diameter 20mm Magnification 25x-75x Lens Coating Full Multi-Coated Exit Pupil 2.8-0.93mm Prism Glass BaK4 Eye Relief 19mm @25x-15mm@75x Linear Field of View 20-35 m/1000m; 60- 105ft/1000yds Close Focus 10m/32.8ft WaterProof IPX7 Net Weight 792g / 27.96oz Features: Make structure: short mirror body, long focal length, taking into account the advantages of refractors and mirrors, effective magnification Large diameter: 70mm large diameter, large amount of light, brighter and clearer imaging Large magnification: 25-75 times continuous zoom, adjustable between any magnification, for multi-purpose observation Enhanced green film: FMC multi-layer broadband green film for sharper and sharper imaging Nitrogen-fi