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TTL metering on Aria in B&W photography using enhancement filters

M

mikel

Hey!

I have a question for anyone using Aria with B&W film and any enhancement filters (such as B+W 041 red-orange filter). I suspect that TTL doesn't work properly when the filter is mounted, since I just ran a test roll of HP5 and I noticed that there is a significant underexposure when relying on TTL to set exposure information. When i dial-in +2 exposure compensation, it seems to be okay.

So, the question is, is this something wrong with my particular Aria or it's the case with others?

What about yellow-green and green filters also?


Thanks,
Mike.
 

kgardas

Member
> I have a question for anyone using Aria with B&W film and any > enhancement filters (such as B+W 041 red-orange filter). I suspect > that TTL doesn't work properly when the filter is mounted, since I > just ran a test roll of HP5 and I noticed that there is a significant > underexposure when relying on TTL to set exposure information. When i > dial-in +2 exposure compensation, it seems to be okay.

Mike,

Luca de Alfaro's Aria review available on
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seems to agree with your finding, that the Aria meter is just oversensitive to red, although he recommend to use +1 2/3 compensation. :)

Cheers,

Karel
 
M

mikel

Karel,

Very interesting. Although he talks about +1 2/3 compensation for 090 filter (light red in B+W catalog), while he calls it Orange Red. 041 is Orange-Red that I'm using and unless numbers have changed at B+W, I assume Luca made a mistake. In any case, I'm actually curious how he determined the proper compensation, since I simply determined this experimentally, by actually looking on the negatives exposed with different level of compensation. The ones with +2 stop compensation are most dense, without any loss of detail and prints are nice. On HP5 at least.

I'm going to try couple more rolls I guess.

Mike.
 
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