Premium Optical Device: Aluminum alloy material is used to make it last longer; perfect for broad-field lunar observations; medium-sized star clusters and a wide range of cloudy nebulae; obtaining better observation results during astronomical journey
50 Degree Field of View: 1.25 inch 4 mm plossl eyepiece set offers a wider 50 degree field of view and a 4 mm focal length for observing larger objects; giving the wider view field along with extra sharpness and long eye relief
Fully Muti-Coated Optical Lens: 4-Element Optical Lens; providing bright; sharp images and excellent color correction and the fully coated groups on each lens surface maximize light transmission; contrast; and image clarity
Solid metal mount lens adapter allows T/T2 Mount Lens to be used on CANON EOS M EF-M Mirrorless Camera
This adapter will work with any Canon EOS M camera body; although the lens will fit physically; automatic diaphragm; auto-focusing; or any other functions will not operate correctly while using this adapter