Evidence-led camera gear reference · US edition
L↔MLensMatch
Home › What to ask before buying a used lens

What to ask before buying a used lens

A seller's short name may omit the mount, generation or firmware. Those details determine whether an adapter and filter are useful.

A seller's short name may omit the mount, generation or firmware. Those details determine whether an adapter and filter are useful.

Advertisement

Make the exact-model decision

Ask for model code, clear rear-mount photo, serial, firmware and a test on the intended body. Ask for the rear mount, model code and firmware before comparing used listings. Budget for the exact adapter and filter accessories, not just the lens.

A manufacturer example

Tamron lists model A063 in distinct Sony E and Nikon Z mount versions, both with a 67 mm filter thread. A common marketing name does not make them the same physical part. Use the linked page for its stated model and revision; a different model may need a different support document.

Advertisement

Where to draw the line

A seller’s short description and photos cannot replace a manufacturer compatibility table or a safe physical test with return rights. If a source does not address the exact feature you need, record that feature as unknown rather than treating silence as support or incompatibility.

Your next step

Take the model code from the body or lens label, open the official source below, and compare its scope with the equipment you have. Then use the search exact model codes to organize what is known. Do not mount an item that resists or appears on a maker’s exclusion list.

Official sources and scope

Checked for this reference on October 30, 2026. Product firmware and support lists can change; inspect the current maker page for your exact revision.