Since lens with high focal distance are generally not that fast and they need high shutter to freeze moving animals, how do they get light without addind too much gain an grain ?
Since lens with high focal distance are generally not that fast and they need high shutter to freeze moving animals, how do they get light without addind too much gain an grain ?
With enough money you can get lenses that are long and fast. Otherwise, you seek out good light; one of the biggest tips for beginner wildlife photographers is to go out at the right time of day. Direct sunlight an hour or so after dawn is more than sufficient to freeze motion with minimal noise, even at a reduced aperture on an APS-C camera body (400mm, f8, 1/2000s, ISO400).
Flashes used to be common - early digital/film era wildlife photography books I’ve read suggest that a flash is a necessary tool - but seem to be dwindling. Use of denoising software is also common.