Telescope Ocular Zoom, 1.25 Inch 8-24 mm Zoom Eyepiece 40°-60° Field of View, 17-22 mm Eye Relief, FMC 9 Element 6 Group Telescope Accessories for Astronomical Telescopes Planet Moon Astronomical

Versatile 8 mm - 24 mm zoom eyepiece equivalent to 8 mm, 12 mm, 16 mm, 20 mm and 24 mm etc. 5 eyepieces; 8 mm-24 mm zoom eyepiece. Perfect focal length range for advanced beginners with easy access to different focal lengths

Premium optical design of 9 element 6 group for superior optical performance, the true fully multi coated premium eyepiece supports highly achromatic with good color correction and contrast

Improved 22 mm eyepiece diameter provides a comfortable viewing experience; for occasional sky observation, star cluster nebulae and galaxies Jupiter moon; telescopic eyepiece with 17 mm to 22 mm eye relief; suitable for wearing glasses

1.25 inch lens housing that is compatible with any telescope that accepts 1.25 inch eyepieces; thread for 1.25 inch astronomical filters; comes with sturdy plastic housing and rubber cap protect the eyepiece from dust and moisture

All-metal body; well built; smooth zoom; wide angle field of view of the 40° wide angle of degree; blackened lens edges; anti-reflection threads; the production and assembly of all optical products takes place in a dust-free workshop

M28.5 x 0.6 filter thread, zoom eyepiece has M28.5 x 0.6 thread on the bottom very convenient for connecting the filter

Blackened lens edges reduce light loss and with safety intercut to reduce the possibility of eyepiece slipping out of focusing or diagonally