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Filter factor - Wikipedia
- https://en.wikipedia.org/wiki/Filter_factor#:~:text=Filter%20factors%20for%20common%20filters%20%20%20,%20%202%20%2034%20more%20rows%20
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Filter factor - Photography Tips
- https://www.photographytips.com/page.cfm/304
- There is an easy way to compensate for filter factor. Take a normal exposure reading as if you were shooting without a filter, and adjust your camera settings accordingly. Now, multiply the filter factor by the shutter speed. For example, if …
Lesson 8: Filter Factors | Pass the CPP
- https://passthecpp.com/lesson-8-filter-factors/
- To achieve this one stop increase in exposure, you could: open up the lens by one stop. or slow the shutter down by one stop. or increase the ISO by one stop. (100 ISO to 200 ISO, for example.) Filter Factors. 2X = 1 stop increase. 3X = 1 1/3 stop increase. 4X = …
photographic filters [Gary Ayton's photography wiki]
- http://ayton.id.au/wiki/doku.php?id=photo:filters
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A new method for the measurement of photographic …
- https://nvlpubs.nist.gov/nistpubs/ScientificPapers/nbsscientificpaper409vol17p79_A2b.pdf
- Davis] MeasurementofFilterFactors Si itisnecessarytoshiftthelamptowardthefilter,positionb,thus shorteningthatpathandincreasingtheother.Inthecasewith ...
Filters in Black and White Photography
- http://www.fineart-photography.com/bwfilter.html
- Filters Commonly Used in B&W Photography* Filter** Filter Factor: f/stop Increase: Filter Effects: Lightens: Darkens: Medium Yellow 8 (K2) 2x +1: Probably the most widely used. Offers an accurate tone range in compensating for the blue sensitivity of panchromatic films.
Filter factors. | Photo.net Photography Forums
- https://www.photo.net/discuss/threads/filter-factors.411357/
- Table of filter factors: 2 = 50% reduction -- open up 1 f/stop or multiply exposure time by 2. 4 = 25% reduction -- open up 2 f/stops of multiply exposure time by 4. 8 = 12.5% reduction -- open up 3 f/stops of multiply exposure time by 8. 16 = 6.25% reduction -- open up 4 f/stops of multiply exposure time by 16.
FILTER FACTORS - tpub.com
- https://www.tpub.com/photography1/ph20945.htm
- When a filter has a factor greater than 1, an adjustment to the exposure must be made. There are three general methods of using filter factors to determine the exposure increase required: 1. Divide the ISO speed by the filter factor, and use the product as the effective film speed. Example: If the filter factor is 2 and the IS0 speed of the film is 100, the effective film speed is 50 (100 + …
How to Use Filters - Ken Rockwell
- https://www.kenrockwell.com/tech/filters.htm
- These factors come with the filter when you buy it and are all over the Internet. Here they are again: Color Filter: Stops. 81A (A2, KR2), 812, 81B, 81C: 1/3. 85C: 2/3. 80A: 2. ... Canon, Leitz, Pentax and most camera makers also supply filters. Camera brand filters are usually excellent, however are not available in many colors and are expensive.
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