D31F120 Monoculo Telescope Astronomic Professional Objective Lens Accessories Refract Binoculars High Quality Spyglass Hot
sku: 4000007020171
$9.70
Shipping from: China
Technical Details
A combination of image quality: | 1 / 4-1 / 8 |
Brand Name: | CSO |
Coating: | Multi-speed film (400-700nm) |
DiameterD: | 31mm |
diameter tolerance: | + 0 / -0.12 mm |
Finish: | 60/40 |
Focal lengthF: | 120mm |
Model Number: | Objective Lens |
Structure: | green film |
Type: | Monocular |
Use For: | telescope astronomic professional |
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