21mm

BRAND: TASCO Color: Black Type: Binocular Image Magnification: 8X Objective Lens Diameter: 21mm Focus System: Centre Prism System: Roof Field of view: 383 FT/1000, 126M/1000M Use the focus wheel to easily adjust and quickly focus to quickly adjust the focus. Adjustable eye width makes this optical Binoculars suitable for adults and children, Natural rubber material and unique non-slip design on the back to prevent it from slipping or shaking. Fully coated optics. easy to put into a pocket or bag Carrying strap makes the binoculars easy to carry. This telescope is ideal for campers, hunters, and sports. Suitable for children to watch dolphins, seabirds, animals, etc. Binoculars with strap and Pouch.

For connecting various types of DC,DV. Commonly used in cameras,the camera tripod head quick release plate,tripod screw,head screw. Light weight and strength high. Material: Stainless Steel Color: Total Length: 21mm Shaft Length: 17mm(Included thread) Head Diameter: 12mm(without D-ring) Head Diameter: 16mm(with D-ring) Head Thickness: 4mm Package Included: 1x 1/4 Tripod QR Plate Stainless Steel Screws Note:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.

Macro extension tube set for Canon EF/EF-S lens and DSLR cameras.Includes 3 tubes of different lengths: 13mm, 21mm, 31mm.Can be used individually or in any combination to achieve various magnification effects.With gold-plated electric pins, supports auto focus and auto exposure.Metal & plastic material, lightweigth and portable; perfect for macro shooting.

100% new, never used Includes high-speed high-sensitivity PIN photodiode and a low -power, high-gain preamplifier IC, plus the use of epoxy resin dry outer shield anti- scratch design, the product has been part of environmentally friendly products through REACH and SGS certification, infrared remote control system used as a receiver. Low power consumption; wide-angle and long distance reception Strong anti-interference ability, able to withstand environmental disturbances Outside interference shielding design Ultra- compact design package with outer shield anti-jamming capability, built-in CMOSlC voltage:2.7-5.5 V Receiving distance:13-15M Size: pin lenght:21mm