to the original post, perhaps folks are remembering film days where typically, ISO 400 was grainy. until fuji had a major breakthrough with NPH 400 that had much less grain and could handle multiple light sources without the expected bad white balance. example here:
1979 CBX 1000 6 cylinders and 24 valves. owned for 27 years. Nikon N90S, 85mm f1.8, Fuji NPH 400 film (how many
ebay pictures are this good? though, i doubt this is why it sold for almost 3X the purchase price!)
i shot almost 30 weddings with that excellent film. still have some in the deep freezer!
last year, i volunteered to shoot a college donation/dedication where pros were also hired. one of them approached me and offered advice/info; he was shooting ISO 3200. that helped me adjust what i was doing. but the main thing i had to get over was my old preconceived notions about grain at speeds over 800.
now then, people tell me that i need to turn off 'auto ISO'. but i find setting the aperture (i knew i needed to really stop down to get acceptable DOF on this next example) and letting the camera set the shutter based on focal length (this is cool!) and the iso usually works out.
for example, i saw this critter in the pet store and with ISO set on auto, the cameral selected ISO 6400. where's the problem with grain? nada! LOL this is amazing.
_HOM9476 Bearded Dragon - where will sensor sensitivity be in a few years?
being humble can help others. so for the forum folks for whom this can help, here goes.
you fellows helped me solve a problem i've had. (sorry, john if this is hijacking another thread)
i don't want to say that i mastered film, but for 3 decades, i've had a good handle on the three variables of aperture, shutter and flash. enter digital, now we have a constant that became a variable: ISO.
so, i might take a few pictures w/o flash and they're fine. then, i decide to add a touch of 'fill' flash with the popup and it totally screws up the shot. now i know why. i've been shooting with iso set at automatic and when i turn on the flash, my default of iso 100 is respected and what i hoped would be fill, becomes THE light. so, if i continue to to let the cameral set the iso, i need to read what it set, force it and then use the flash.
thanks, fellows. i've learned a ton just from a few days here...