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
240 mm focal length: design for astrophotography telescope up to 1500 mm focal length; wide field optics put so potential guide star; an locking thumbscrew holding in place; built in hex screws in holes that tighten two hex screws with hex wrench to lock
Miniguide tube to fastly find object and guiding star that designed for visual and astrophotography; worm-focuser: fast focusing and prevent rotation of camera and eyepiece; use as comfortable and large viewfinder with less time to find object in visual