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1. Optical system: refractive 2. Objective lens diameter: 70mm 3. Focal distance: 400mm 4. Focus ratio: F5.7 5. Eyepiece diameter: 10mm/25mm 6...
View full details1. Coating: The objective lens is coated with UV multi-layer anti-reflection broadband green film, clear field of vision, large field of view, long...
View full details1. Powerful, ultra-compact and ultra-lightweight. 2. This product have dual focus capability (front and back adjustable zoom). 3. Multicoated optic...
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