Dynex DX-TRP60 diopter and well made lug clips

and well made lug clips

8-4 is a telephoto zoom lens with an interchangeable Tamron Adaptall mount (a Pentax K mount is included)

Passthrough electronic contacts maintain exposure control and autofocus

and it'll work well on all of them- it even has electronic contacts for autoexposure functionality

The Nikon D7500 is a modern DX-format DSLR with the excellent 20mp sensor from the Nikon D500

Dynex DX-TRP60 diopter and well made lug clipsThe Dynex DX TRP60 is a tripod. That's about it. If you want a tripod, good news, because here's one now. Not looking for a tripod? Well, you clicked on this item and made it this far into the description so, like, are you sure? It should hold a small to mid sized DSLR or mirrorless camera, if that helps.