Adapter RMS Microscope objective to male M42 X1 adapter Flat without flange

Adapter RMS Microscope Objective to Male M42 X0.75 Adapter Flat without Flange

Adapter RMS Microscope objective to male M42 X1 adapter Flat without flange

1PC RMS Female To M42 X 0.75mm Male RMS-M42 Microscope Objective Adapter Ring

Adapter RMS Microscope objective to male M42 X 1 adapter Flat without flange

Adapter RMS Microscope Objective to Male M42x1 Adapter Flat without flange

Adapter RMS Thread to 25mm M25 for Nikon Leica Microscope objective W/ Flange