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Looking for transparency and negative film for 4x5 landscape. Prefer fine grain. Can anyone share good/bad experiences? Also, is rated EI accurate? Need response ASAP. Thanks.

I could not determine the amount of exposure correction on a sunny day with a po larizer. Looking back, I guess I should have used my incident meter with a shor t piece of toilet paper core, gotten...

[NdE: please don't email luong anymore, but instead followup on: http://www.greenspun.com/bboard/q-and-a-fetch-msg.tcl?msg_id=00034k ]

There was no bellows extension beyond the infinity stops. No...

I am having exposure problems, especially at slow shutter speeds. I generally am looking for maximum depth of field, so that means slow shutter speeds. I've done exposure tests on transparancies...

I want to know the circle of confusion for 2 lenses:

Speed Graphic 4x5 Graflex Optar 203mm f/7.5 Speed Graphic 4x4 Graflex Optar 135mm f/4.5

These would allow me to calculate...