Sichuan Tontube Technology Co.,LTD |
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Specifications for 8X30 Nikula Binoculars | ||||
General Specifications | Type | 8x30 | Power | 8x |
Objective Dia. | 30mm | Field of View | 136m@1000m | |
Exit Pupil Dia. | 3.75mm | Eye Relief | 14mm | |
Optical Configuration | Optical Material | all lens and prism are made of optical glass | Coating condition | Fully Multi-Coated Blue or Green |
Surface Treatment | rubber armoring | Focus system | center focus | |
Prism | Porro | Prism material | bak4 | |
Weight | NET | 288g | Gross | 479g |
How to focus:
1. Close your right eye and sight an object with your left
eye.Focus the binocular by rotating the center focus wheel until
the image is sharp and clear.
2. Open your right eye and close your left eye.Rotating the right
eyepiece until the object sighted is sharp and clear(Note the
setting of diopter scale for later use.)
3. Both sides(eyes) are now in focus and you will need to use only
the center focus wheel to focus on the other objects.