Replacement/All other sizes adapter for LabCam - 23, 25, 27, 28, 29, 30, 31.75mm(telescope), 40mm(some surgical scope)

$16.50 $28.00

Your LabCam purchase already includes the 30mm and 23.2mm adapters. No need to purchase those.

Some microscopes can have non-standard size slots, especially slit lamps. These come in handy if that's the case, or if you have lost your original ones.