ITEM NAME:8x20 Seiko Telescope Single Barrel Waterproof High-power Night Vision S9O3 R7W0 Description 100%New and in high quality Material:carbon fiber,EVA Color: As shown Size: length 75x diameter 24mm thickness 36mm Style:Casual Ratio: 8 times. Caliber: 20 mm. Object diameter: 20 mm Field angle]: 5.5 degrees Last focusing distance]: 5 m Prism system: Paul prism system. Lens: an optical lens. Optical coating: FMC full wideband green film. Note Due to different producing batches, product details might be a little different. If you minding the difference, please buy it carefully. Please allow 1-3mm differs due to manual measurement. Due to the different display and different light, the picture may not reflect the actual color of the item. Thanksfor your understanding. Package includes: 1 pcs 8x20 Monocular Telescope.[Caliber: 20 mm. Material:carbon fiber,EVA. Optical coating: FMC full wideband green film. Field angle]: 5.5 degrees. Due to different producing batches, product details might be a little different.