These Centra diopter lenses thread into the front tube and help clear up and sharpen the target image. Available in 1.3 and 1.5 magnification. Mfg: Centra
If you aren't 100% satisfied with any purchase you receive from Sinclair International, return it for a full refund or exchange. No hassle, no problem. And, we won't bog you down in endless paperwork. Your complete satisfaction with each and every product we sell is what's most important to us. No returns on components or ammunition for obvious safety reasons.