Regarding the flare issue (it is not an issue with the flare resistance of the finder itself but the rangefinder patch that will whiteout with light sources at a certain angle)
...it is said that the viewfinder assembly was simplified somewhat during the production run of the M4-2 and they removed one part too much, which resulted in the whiteout problem on all subsequent cameras until it was finally solved in the MP finder. It's difficult to say at what S/N exactly the change did happen during the M4-2 production. Mine is 15034XX (that's the second bigger production lot I think) and it seems it's still the old type rangefinder assembly, but I am not 100% sure.
Do not try to dissassemble a M 3 viewfinder as the prism could separate and no spare parts are available. Even the LCS does not repair or clean a M 3 viewfinder except at your own risk.
But you cannot replace an M3 finder -- there are no parts available. You need a donor camera to do it.
is a safer bet.
I am not sure if you are refering to my post, but ...
When I write "rebuild" ... I mean "rebuild" and not "replace".
CRR Luton will restore an existing M3 rangefinder assembly that suffers from separated prisms to "like new".
The rangefinder assembly gets dismantled completely, surfaces are resilvered, recemented,
everything realigned etc. You do not need any spare parts or donor finders for that.
Please read the site that I have linked to in my previous post.
I am not sure if you are refering to my post, but ...
When I write "rebuild" ... I mean "rebuild" and not "replace".
CRR Luton will restore an existing M3 rangefinder assembly that suffers from separated prisms to "like new".
The rangefinder assembly gets dismantled completely, surfaces are resilvered, recemented,
everything realigned etc. You do not need any spare parts or donor finders for that.
Please read the site that I have linked to in my previous post.
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