Mark M
Well-known member
Trying out the Leica APO 2x Extender on my 180 2.8 APO and 180 3.4 APO.
There is a ROM and non-ROM version that are supposed to optically identical, but the housing is quite different.
Does anyone know if one is stronger than the other for lens support?
There is a ROM and non-ROM version that are supposed to optically identical, but the housing is quite different.
Does anyone know if one is stronger than the other for lens support?