21mm large eyepiece
3 gear heightened eyepatch adjustment
Champagne gold metal focusing wheel
FMC (fully optical coating file) increase Color Restoration
BAK4 Schott prism effectively increase visual field and visual definition
Nitrogen filled waterproof （water depth 1m, available to soak 30 minutes) antifogging
| model | B0842 | B1042 |
| Close Focus | 4m | 4m |
| Phase film | No | No |
| Lens Coating | FMC | FMC |
| Field of View:ft@1000yds/m@1000m | 330/110 ft/m | 304/101 ft/m |
| Objective lens diameter | 42 mm | 42 mm |
| eyepiece diameter | 21mm | 19 mm |
| Diopter Control | Yes | Yes |
| Exit Pupil | 20.14 mm | 16.9 mm |
| Focus System | central focusing | central focusing |
| Exit Pupil Diameter | 5.18 mm | 4.2 mm |
| Waterproof/anti fog | YES | YES |
| Prism System | BAK-4 | BAK-4 |
| Length | 140 mm | 140mm |
| Weight | 690g | 690g |
All optical products bought from Kunming Optical are quality guaranteed with lifetime warranty.
Our optical products are made with high quality materials, flawless production and strict QC test , complies with the Federal Trade Commission. Please contact info@kunmingoptical.com for any questions.
