1.62° aspheric field of view. Eyepiece interface recess portion can prevent the loss. Fully coated glasses for excellent image contrast and light transmission.
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This flat convex is applicable to LED spotlights, car lights, focusing flashlights, projection lights, explosion-proof lights, down lights, and other lighting products. Suitable for reading small text in newspapers, books, menus, or labels, these lenses serve as versatile tools for science experiments, DIY telescope projects, or office tasks.Specification:Color: Clear;Material: Borosilicate Glass;Light Transmittance: 92%;Refractive Index: 1.474;Operating Temperature: -50°C to 450°C;Focal Length: 4mm / 0.16 inch;Outer Diameter: 4mm / 0.16 inch;Height: 2mm / 0.08 inch;Packing List: 5 x Convex LensAdvantage:Convex lenses are made of borosilicate glass, which is more resistant to high temperatures, has higher strength, and higher light transmittance than other materials, ensuring scratch resistance and long-term use.
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BAK4 prism: BAK4 prism is used in binoculars, and the obtained image is brighter and clearer. Prism: BAK4. Low-light night vision: The binoculars have low-light night vision function, which can be viewed as long as there is light.
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1 for Night vision device. 1 Instruction manual. 1 Storage bag. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
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80mm 83mm 600mm F7.5 Green. 70mm 72mm 500mm F7.1 Blue.
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WW2 Zeiss German Kriegsmarine gas mask and smooth ocular Binocular Benutzer cap rubber cord bending bar clamp Perfect copies
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Suitable for reading small text in newspapers, books, menus, or labels, these Biconvex Lenses serve as versatile tools for science experiments, DIY telescope projects, or office tasks. These biconvex lenses enhance reading small text (menus, labels, books) and serve as magnifiers for jewelry, fabrics, or detailed inspections. Their clear acrylic design enhances detailed observation in education, home decor, or professional settings.Specification:Color: Clear;Material: Acrylic;Focal Length: 75mm / 2.95 inch;Outer Diameter: 42mm / 1.65 inch;Height: 7.3mm / 0.29 inch;Magnification: 4;Packing List: 12 x Biconvex LensAdvantage:Crafted from optical-grade acrylic with high transparency and durability, ensuring scratch resistance and long-term use.
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Edge Thickness about 10.5mm. Combined image quality 1/4-1/8.
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