This Canon Dioptric Adjustment Lens S-3 Diopter is a must-have for any photographer who uses a Canon camera. It is compatible with various Canon models including the A-1, AE-1P, AE-1, AV-1, and AT-1. Also many other canon models

This Diopter lens is perfect for those who need to adjust the viewfinder to their eyesight. It is made for film SLR cameras and can be used with other Canon accessories. Get this lens today to enhance your photography experience.