*Locking* external viewfinders?
I'm considering picking up a C-V 21/4 which would require the use of an external viewfinder on my .72 M6.
My past experience with shoe-mount viewfinders has been poor - they always tend to drift out of the hotshoe because they don't lock in place. I was reduced to using electrical tape on my Bessa T to keep from losing or dropping one. This experience has made me very leery of buying another external viewfinder.
The plastic bodied C-V finders are a joy to use optically but just seem too fragile for me to trust. I've had three now and always felt like I had to treat them with kid gloves to avoid breaking the shoe off.
I remember Leica used to make one with a locking foot. Are there any other 21mm locking viewfinders out there that are worth considering?
Alternately, how is the Leica 12013 21/24/28 zoom finder? I see it has a lock and would also be useful with my 28 Ultron.
"If you can control yourself and just loathe us quietly from a distance then by all means stay." - Joe
M6 - Leicavit M - RapidWinder - Motor M
28 Ultron - 35 Summicron ASPH - 40 Summicron - 75 Summarit-M - 75 Color-Heliar - 90 Elmar-C
NEX-7, N1V1, oodles of filthy Nikon SLRs and DSLRs, some OM gear, an XA, Retinas, a 4x5 and a lonely 500C/M