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 10 mm plossl eyepiece set offers a wider 50 degree field of view and a 10 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
With T-ring; you can use M42 Lenses on your camera; Inner ring can be rotated to ensure lens is always right way up
Useful accessories allows you to attach your Pentax-k Cameras to the 31.7mm 1.25inch eyepiece diameter telescope: "FOR Camera K-x K-r K-01 K-30 K20D K200D K2000 K1000 K100D Super K110D Etc"