Flexible Diopter Design: this diopter setting can be adjusted from -2 to +2. Can be adjusted according to your needs. Honeycomb Filter: killflash anti-reflection device is a honeycomb filter, it is purpose as a sunshade, preventing glare. Multi-Coated Lens: This scope features a multi-layer coating objective lens. providing a clear and bright field of view. High-quality optical glass ensures high transparency, and reduced chromatic aberration, delivering exceptional image quality. Fiber Optic Illuminated Reticle: This fiber optic scope provides an ultra clear Red/Green illuminated reticle for superior visibility in all lighting conditions without any batteries, even in low light scenarios can be use. Easy Adjustment: Illuminated aiming dot will be automatically adjusted the brightness based on available light. Cantilever Mount: TA51 Mount fit for any 20mm standard picatinny weaver rail. https://www.ohhunt.com/products/new-ohhunt%C2%AE-4x32-optic-fiber-sight-scope-horseshoe-reticle