frankpjd Posted November 5, 2022 Share #1 Â Posted November 5, 2022 (edited) Advertisement (gone after registration) N/a Edited November 5, 2022 by frankpjd I got the answer "R" is for infrared focus. Link to post Share on other sites More sharing options...
Advertisement Posted November 5, 2022 Posted November 5, 2022 Hi frankpjd, Take a look here answered. I'm sure you'll find what you were looking for!
a.noctilux Posted November 5, 2022 Share #2 Â Posted November 5, 2022 R for IR film (and IR filter) use in those old days. Use rangefinder measuring, then set the "right" RF distance in front of "R". 1 Link to post Share on other sites More sharing options...
Anbaric Posted November 5, 2022 Share #3 Â Posted November 5, 2022 See: Â Link to post Share on other sites More sharing options...
Pyrogallol Posted November 5, 2022 Share #4 Â Posted November 5, 2022 4 hours ago, a.noctilux said: R for IR film (and IR filter) use in those old days. Use rangefinder measuring, then set the "right" RF distance in front of "R". Not just in the old days, we still use it. Link to post Share on other sites More sharing options...
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