BOSMA Qinglong 10X50 APO Binoculars

- Optical Coating: High-transmittance prism group

- Lens: ED glass, APO, Retina lens group

- Color Correction: APO, double ED lens

- Field Flattener: Yes

- Waterproof: Yes

- Accessories: X decompression strap, smartphone bracket

- APO color correction optical structure with two Hoya ED lenses

- Strehl Ratio >0.89

- Color aberration almost imperceptible to the naked eye

- Upgraded FBMC coating for 92% transmission rate

- HT prism group with BaK4HT high-transmittance material

- All models exceed 70° field of view

- Qinglong 8x42: 9.1°

- True field flattener correction

- Improved edge-to-edge image quality

- BSR-9-UHD with DC, PC, WR coatings

- International environmental standards compliant

- BSR-9-UHD: Ultra High Definition

- BSR-7-FHD: Super High Definition

- BSR-5-HD: High Definition

- BSR-3-SD: Standard Definition

- BSR-1-PD: Poor Definition

Waterproof Level: BSW-7

- Magnesium alloy body

- Temperature resistant from -20°C to 50°C

- X-shaped decompression shoulder strap

- MA4 smartphone adapter bracket

- Dragon scale design for grip

- Qinglong 12x50, 10x50, 10x42, 8x42

- Magnification, lens material, prism system, prism material, objective lens diameter, focus system, eye relief, waterproof level, close focus distance, exit pupil diameter, field of view, resolution level, main mirror size, weight, coating level

- BOSMA, established with a commitment to excellence in products and services, aims to bring the art of observation and the joy of life to you. From the vast universe to the microscopic world, from the chirping of birds to the clouds on high mountains, from meteors in daylight to shadows in the dark night, let the blind spots of human vision become the starting point of a wonderful world.