LX / MX Focusing Screen ID

[Mark Cassino]

I have a focusing screen in a box Labelled SE-20. Looking at Boz's site, 
it's pretty clear that the screen inside the case is either and SI or SI-20 
- matte with millimeter scales and center circle.

The difference between the two models is that one is for the LX and one is 
for the MX. Anyway of telling which it is, short of stuffing it into a body 
and checking for metering changes?

- MCC

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Mark Cassino Photography

Kalamazoo, MI

http://www.markcassino.com

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