Originally Posted by
sanking
When you did your tests did you, 1) make sure that film holder was selected in order to engage the highest resolutions lens, and 2) did you determine the best plane of focus for that lens? If you were to use the lens that is engaged when film area guideis chosen you would not get better than about 1600 spi - 1800 spi.
Of course, the difference between 1600 spi and 2300 spis is not all that great if you are comparing real negatives. To observde a difference that small might require testing with a high resolution target.
Sandy King
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