SVBONY SV131 Eyepiece PL Eyepiece inch 40mm Focal Length 48 Degree Field of View FMC Telescope Accessories Low Light Night Vision Astronomical

High quality optical glass lens provides clear images with FMC full bandwidth multi-layer coating. The focal length of 40mm is ideal for astronomical observation. Standard PL eyepiece structure, 4-element/2-group optical structure, well made. 48 degree wide field of view and 22mm exit pupil make it comfortable to use. Blackening the edges of the lenses can help minimize internal reflections and reduce glare. This allows you to increase the contrast of the observed object. Strong compatibility, 1.25" connection size, suitable for 1.25" telescopes and filters. The all-metal construction ensures long service life, and the rubber anti-slip ring is designed to keep the eyepiece securely in your hand, even in cold weather or when wearing gloves. High quality optical glass lens provides clear images with FMC full bandwidth multi-layer coating. The focal length of 40mm is ideal for astronomical observation. Standard PL eyepiece structure, 4-element/2-group optical structure, well made. 48 degree wide field of view and 22mm exit pupil make it comfortable to use. Blackening the edges of the lenses can help minimize internal reflections and reduce glare. This allows you to increase the contrast of what you are observing. Strong compatibility, 1.25 inch connection size, suitable for 1.25 inch telescopes and filters. The all-metal construction ensures long service life, and the rubber anti-slip ring is designed to keep the eyepiece securely in your hand, even in cold weather or when wearing gloves.