Difference between revisions of "Instoscope"
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+ | ==Links== | ||
+ | *[https://www.butkus.org/chinon/flashes_meters/drem_instoscope/drem_instoscope.htm Drem Instoscope user manual] at [https://www.butkus.org/chinon/ Butkus.org] | ||
[[Category:Meters]] | [[Category:Meters]] |
Latest revision as of 05:15, 30 July 2022
The Drem Instoscope is an extinction meter. When viewing through the ocular one could see a number of letters. The least visible letter is explained on the table which is wrapped around the instrument. The table shows the possible shutter-speed/aperture combinations for the least visible letter.
the extinction meter image by Mario Groleau (Image rights) |
Drem Instoscope image by Anssi Puisto (Image rights) |