21mm barrel

Carl Zeiss Loxia 21mm F/2.8 (E-mount) PRODUCT HIGHLIGHTS E Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 Distagon Optical Design 4 Anomalous Partial Dispersion Elements 1 Aspherical Element Zeiss T* Anti-Reflective Coating Manual Focus Design Manual Aperture Ring Can Be De-Clicked All-Metal Barrel, Engraved Scales Weather-Resistant Lens Mount Gasket

Carl Zeiss Milvus ZF.2 2.8/21mm (Nikon) PRODUCT HIGHLIGHTS F Mount Lens/FX Format Aperture Range: f/2.8 to f/22 4 Anomalous Partial Dispersion Elements Distagon Optical Design Floating Elements System Zeiss T* Anti-Reflective Coating Manual Focus Design Manual Aperture Ring Can Be De-Clicked Anodized Metal Barrel, Rubber Focus Ring Weather-Sealed Construction

Carl Zeiss Milvus ZE 2.8/21mm (Canon) PRODUCT HIGHLIGHTS EF Mount Lens/Full-Frame Format Aperture Range: f/2.8 to f/22 4 Anomalous Partial Dispersion Elements Distagon Optical Design Floating Elements System Zeiss T* Anti-Reflective Coating Manual Focus Design Anodized Metal Barrel, Rubber Focus Ring Weather-Sealed Construction

Specifications: Main Lens magnification 8x Extended Lens magnification 15x Max. Magnification 23x Focal Length of Main Lens 62mm Focal Length of Extended Lens 33mm Combined Focal Length 21mm Light Source LED Rotary Angle Range 180° Lens Material Optical Resin Powered by Built-in 6xLR1130 batteries Storage case size(LxWxH) 155x50x70mm/6.10x 1.96x2.75inch Weight Approx.100g Features: 1. Left and right sides of glasses bracket is installed with two LED magnifying eye patches, each of which is attached with one 8x lens. And 15x extended lens can be installed to realize magnification 23x. alternating use of two barrels can alleviate visual fatigue, and improve work efficiency. In time of non-use, it’s only required to turn lens barrels upwards instead of taking down glass. 2. Separate design of LED lamp holder and control switch battery compartment can avoid changing irradiation point when operating switch. It’s not required to check irradiation point again in time of repeated use. 3. LED lights has two-gear adjusting functions to respectively adjust LED to soft light and bright light, and meet different light ray conditions. 4. Glasses bracket length is adjustable. Users can adjust bracket length according to his facial form to make wearing more comfortable. 5. Nose pad is adjustable. Users can adjust nose pad according to shape of nose bridge to meet the needs of all kinds of people. 6. Lens barrel position can be adjusted by moving 5mm horizontally left and right on bracket. Adjustment can be made according to facial form width and two- year distance to ensure eye patches are in the central position of eyes. 7. Eye patches can be rotated up and down at 180° on bracket so that it’s not required to take down whole magnifier frame in time of non-use, and make it easy to use next time. Package Included: 1 x Magnifier 1 x User manual