William Optics 1.25" RotoLock Adapter - Red color - F-ROTO-A2-125RDII vendor-bresser System includes the B600 blocking

System includes the B600 blocking filter which provides full disk images on telescopes up to 540mm focal length

(such as lenses

" In a 1997 Sky & Telescope review

Body Color:  Green

William Optics 1.25" RotoLock Adapter - Red color - F-ROTO-A2-125RDII vendor-bresser System includes the B600 blockingWilliam Optics 1. 25" RotoLock Adapter Red color 1. 25" RotoLock Adapter in Red color Standard 1. 25" Barrel Accepts 1. 25" eyepieces and accessories Centers your eyepiece accurately This is the William Optics 1. 25" RotoLock Eyepiece Adapter. This WO adapter is made to accept the industry standard 1. 25" diameter eyepieces and other accessories of the same size. You only need to rotate the adapter ring clockwise to lock any inserted accessory, or