Opticron Waterproof Stay-on-Case Green for MM3 80 & MM4 77 (01G) f/4 No optical or mechanical difference

No optical or mechanical difference - OM System is simply the rebranded label after OM Digital Solutions took over the camera business from Olympus

Nikon F-mount APS-C DSLRs with AF motor (D500

and tack-sharp—even when shooting at close range

nitrogen-filled

Waterproof  N/A Length (mm) 106 Width (mm) 39 Depth (mm) 25

Opticron Waterproof Stay-on-Case Green for MM3 80 & MM4 77 (01G) f/4 No optical or mechanical differenceA protective case for Opticron optics. Opticron Waterproof Stay on Case Green for MM3 80 & MM4 77 (01G). Waterproof multi layer padded case designed to fit the Opticron MM3 80 & MM4 77 Fieldscopes. Protects the instrument in storage, during transport and when fitted to a tripod and in use. Backed by Opticron's 2 year guarantee.