Telrad Pulser Kit Glass Solar Filter don't use the thumbscrews to

don't use the thumbscrews to tighten the eyepiece in place

and for good reason

APS-C Clip filter is tested and compatible with the following camera models: 7D2/80D/800D/77D/70D/760D/750D/700D 650D/600D/550D/500D/400D/100D/1100D 1200D/1300D

The tripod adapter included with the SkyMaster Pro not only allows the binocular to be attached to a tripod for added stability during longer viewing sessions

" The concept for this eyepiece series was proposed by Tele Vue President David Nagler

Telrad Pulser Kit Glass Solar Filter don't use the thumbscrews toThe Telrad is a favorite of amateur astronomers. The pulser is an add on accessory that improves contrast by pulsing the reticle image on and off thus aiding in locating faint objects.