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-filled and waterproof: Inject nitrogen into the lens barrel and seal it to IPX7 level, effectively extending the life of the telescope Package included: 1 x 25-75x70 Waterproofs Monocular 1 x Lens Cover 1 x Lens Cleaning Cloth 1 x Hand Strap 1 x Tripod 1 x User Manual filled and waterproof Inject nitrogen into the lens barrel and seal it to IPX7 level, effectively extending the life of the telescope Make structure short mirror body, long focal length, taking into account the advantages of refractors and mirrors, effective magnification Large diameter Color Black Material ABS purpose observation Enhanced green film FMC multi brighter and clearer imaging Large magnification 25