Yes some or all Hasselblad lenses have the EV scale on the lens, not all cameras thou might need to print something out and play with a pair of scissors.
What is the guidance for maximum exposure time versus focal length to avoid star trails, i.e. no apparent star motion?
The 500 rule.
SS = 500 / (CF x FL)
SS = shutter speed
CF = crop factor
FL = focal length
You may have to adjust down, as star trails may be slightly visible with this formula.
What do you think that is?The EV scales are only good for ISO 100. If your film speed is different, first set the shutter speed and f/stop, then read the EV and do all EV adjustments AFTER.
The EV scales are only good for ISO 100. If your film speed is different, first set the shutter speed and f/stop, then read the EV and do all EV adjustments AFTER.
What do you think that is?
No pitch forks please.
I use an old DSLR set to ASA 6400 and find an exposure and work back to film speed (100) then add the reciprocity factor.
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