I just got a second hand Sekonic L-398 (as a back up meter, since it does not batteries).

Checking it against my other meters (a Gossen Luna Six Pro 6 and another smaller Gossen) and it seems to be 1 stop off (less sensitive) consistently (have to check taht further. This is in incident mode, reflective mode is less clear, but I am most interested in incident metering for this particular meter anyway.

Not a big deal, one can adjust by dialing in say 50 ASA instead of the needed 100 ASA

So do these big selenium cells get less light sensitive over time?

thanks,

Best,

Cor