16mm exit pupil The exit distance of 16mm is convenient for customers to observe for a long time FMC coating FMC full broadband multilayer coating, it ensures that each glass surface has multiple layers of coating to for a better image quality,standard Plossl eyepiece structure: 2 sets of 4-piece optical structures Matt blackened lens edge The edge of the lens is matt blackened to prevent stray light interference Well made All-metal structure, fine texture, fine workmanship, and humanized environmental protection rubber anti-slip ring design will prevent accidental depression. Strong compatibility Threaded specification of M28.5*0.6 standard, supports standard 1.25-inch filter adapter installation. Specifications: Model: SV131 Eyepiece Type: Plossl Focal length: 25mm Field of View: 48-Degrees Exit Pupil: 16mm Connection size:1.25-inch Field Stop Diameter: 24mm Lens group: 2 Group / 4PCS Lens coated: FMC Side of the lenscoate: Extinction Ink Material: Metal Thread size: M28.5*0.6 Non-slip Cover: Yes Eyecup type: Rubber Net Weight: 83.6 g/2.95oz Dimension: Ø35.5x61.5mm Package Includes: 1* SV131 1.25" Plossl 25mm Eyepiece 2* Dust Cover
- Deliver sharp images; FMC full broadband multilayer coating; with superior optical performance; Plossl eyepiece; standard Plossl eyepiece structure; 2 sets of 4 pieces optical structures
- Good light transmission; matt blackened lens edge; to reduce glare and prevent stray light interference; also could improve the light transmission; guarantee bright and sharp image
- Long time and comfortable observation; 16mm exit distance; comfortable viewing distance; 25mm focal length; 48 degrees wide field of view
- About the compatibility; M28.5*0.6 thread size; can be connected to any 1.25 inches telescopes and filters; 2 dust covers to keep the dust away
- Rubber eyecup provide comfort and increase contrast; leave them up; fold them down when wearing eyeglasses; improve the observation experience