18x62 HD Bak4 Monocular Cell Phone Telescope For Kids Traveling Bird Watching
18x62 HD Bak4 Monocular Cell Phone Telescope For Kids Traveling Bird Watching
Product parameters
| Item | Monocular Telescope | Magnification | 10x 12x 18x 16x 40x |
| Objective DIA. | 40mm 50mm 52mm 60mm 62mm | Near Focus | 2.5mm |
| Field of View | 285ft / 1000yds | Eye Relief | 10.26mm |
| Exit Pupil DIA. | 4.4mm | Weight | 347g |
| Prism | Roof Bak-4 | Size | 103X81X61mm |
FEATURES
Small, portable, very convenient
Fully filled green film of the objective lens and eyepiece.
Powerful, ultra-compact and ultra-lightweight
Perfect for camping, mountaineering, travel, backpacking
High transmittance: All-optical objective FMC green film eyepiece FMC blue film
Ultra wide field of view and big objective lens for maximum light transmission.
Easy focusing: The monocular is very easy to adjust by using your index finger when holding it.
The finer focus mechanism is incorporated into the eyepiece and it works well to bring clarity to the objects.
Durable Material: It is waterproof, moistureproof, dustproof, and fogproof, you can use the Monocular normally in a damp and rainy day.
Optical System
￭Fully Multi-coated Lens
All lens are fully multi-coated let light transmittance up to 95%. Clear and colorful film formed,the best monocular telescope for smartphone.
￭Advanced BAK4 Roof Prism
Equiped BAK4 roof prism with coating process creat high definition crisp film.
￭Big Eyepiece
23mm big eyepiece on lens. Bigger eyepiece provide more comfortable watching feeling in long time use.
￭Large Objective Diameter
50mm large objective diameter ensure bright film in day and night.
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