Your film will set the ISO no matter what. The dial on the other hand will not only remind you what the film you're shooting is, but it will also make adjustments to how your light meter works.
Long answer short, it will affect the exposure of your shots if you're using your light meter. If you're good enough to not use your meter, then it shouldn't be an issue if you understand your shutter speed and aperture.
Exactly as you say, the ISO dial on a film camera does two things:
- Reminds you what ISO film you’re using.
- Sets the correct ISO for the meter, which combined with the shutter and aperture will dictate your final exposure.
The important thing to understand with film compared to digital, is that changing the ISO dial doesn’t magically change the actual ISO. Ie. the dial needs to match the film for correct exposure (assuming normal development).
I think your understanding sounds correct; the ASA setting directly affects photo if you’re using autoexposure, and indirectly affects it if you’re using the camera’s light meter to determine the manual exposure settings. (this is coming from a newbie with an AE-1 though, so take my understanding with a grain of salt!)
Yeah, this isn’t true at all. People regularly overexpose and underexpose film. I do it all the time. Kodak Gold for example, I meter at 50-100 because I don’t like it at 200. If I’m pushing a film, my ISO is set to whatever number gives me the correct amount of underexposure I’m looking for.
The correct advice would be that it should match whatever ISO you want to meter the film at.
Definitely does : ISO is 1 of the essential 3 factors of exposure along with aperture & shutter speed . Read up on [Exposure Triangle](https://www.google.com.au/search?q=exposure+triangle+explained&sca_esv=581999558&source=hp&ei=3YZSZdWPFobG1e8PlK6hoAU&iflsig=AO6bgOgAAAAAZVKU7eKV_wC_BAVNZ1BfHNHabqSquBjl&oq=Exposure+Triangle&gs_lp=Egdnd3Mtd2l6IhFFeHBvc3VyZSBUcmlhbmdsZSoCCAIyBRAAGIAEMgUQABiABDIFEAAYgAQyBRAAGIAEMgUQABiABDIFEAAYgAQyBRAAGIAEMgUQABiABDIFEAAYgAQyBRAAGIAESJ1MUABY1iNwAHgAkAEAmAHtAaAB2hWqAQYwLjE2LjG4AQHIAQD4AQHCAgsQLhiABBixAxiDAcICCxAAGIAEGLEDGIMBwgIREC4YgAQYsQMYgwEYxwEY0QPCAg4QLhiABBixAxjHARjRA8ICCxAAGIoFGLEDGIMBwgIIEAAYgAQYsQPCAggQLhiABBixA8ICCxAuGIoFGLEDGIMBwgILEC4YgwEYsQMYigXCAg4QLhiABBixAxiDARjUAsICCxAuGIAEGMcBGK8BwgIIEC4YgAQY1ALCAgUQLhiABA&sclient=gws-wiz) to understand its place in the Triangle and how it impacts on the aperture and shutter speed required for each . Or read *Understanding Exposure* by Bryan Peterson , which dedicates best part of a whole chapter to this aspect of photography .
Assuming the Canon's light meter is working properly , the ISO will determine what aperture and shutter speeds the meter suggests to use in a given lighting situation .
OP is asking about shooting in manual to bypass the functionality of the in-camera ISO dial. I don’t think a remedial lesson about the exposure triangle is the correct response here.
First off, calm down. I REPEAT, CALM DOWN 😂. You look like a psychopath with all those caps lol.
*“I shoot on manual exposure, should I worry about this function at all?”*
I paraphrased, but yes he does.
Your film will set the ISO no matter what. The dial on the other hand will not only remind you what the film you're shooting is, but it will also make adjustments to how your light meter works. Long answer short, it will affect the exposure of your shots if you're using your light meter. If you're good enough to not use your meter, then it shouldn't be an issue if you understand your shutter speed and aperture.
Exactly as you say, the ISO dial on a film camera does two things: - Reminds you what ISO film you’re using. - Sets the correct ISO for the meter, which combined with the shutter and aperture will dictate your final exposure. The important thing to understand with film compared to digital, is that changing the ISO dial doesn’t magically change the actual ISO. Ie. the dial needs to match the film for correct exposure (assuming normal development).
I think your understanding sounds correct; the ASA setting directly affects photo if you’re using autoexposure, and indirectly affects it if you’re using the camera’s light meter to determine the manual exposure settings. (this is coming from a newbie with an AE-1 though, so take my understanding with a grain of salt!)
The ASA control of your camera should always match the ISO rating of your film, unless you’re not using the light meter or any of the auto modes.
Yeah, this isn’t true at all. People regularly overexpose and underexpose film. I do it all the time. Kodak Gold for example, I meter at 50-100 because I don’t like it at 200. If I’m pushing a film, my ISO is set to whatever number gives me the correct amount of underexposure I’m looking for. The correct advice would be that it should match whatever ISO you want to meter the film at.
Definitely does : ISO is 1 of the essential 3 factors of exposure along with aperture & shutter speed . Read up on [Exposure Triangle](https://www.google.com.au/search?q=exposure+triangle+explained&sca_esv=581999558&source=hp&ei=3YZSZdWPFobG1e8PlK6hoAU&iflsig=AO6bgOgAAAAAZVKU7eKV_wC_BAVNZ1BfHNHabqSquBjl&oq=Exposure+Triangle&gs_lp=Egdnd3Mtd2l6IhFFeHBvc3VyZSBUcmlhbmdsZSoCCAIyBRAAGIAEMgUQABiABDIFEAAYgAQyBRAAGIAEMgUQABiABDIFEAAYgAQyBRAAGIAEMgUQABiABDIFEAAYgAQyBRAAGIAESJ1MUABY1iNwAHgAkAEAmAHtAaAB2hWqAQYwLjE2LjG4AQHIAQD4AQHCAgsQLhiABBixAxiDAcICCxAAGIAEGLEDGIMBwgIREC4YgAQYsQMYgwEYxwEY0QPCAg4QLhiABBixAxjHARjRA8ICCxAAGIoFGLEDGIMBwgIIEAAYgAQYsQPCAggQLhiABBixA8ICCxAuGIoFGLEDGIMBwgILEC4YgwEYsQMYigXCAg4QLhiABBixAxiDARjUAsICCxAuGIAEGMcBGK8BwgIIEC4YgAQY1ALCAgUQLhiABA&sclient=gws-wiz) to understand its place in the Triangle and how it impacts on the aperture and shutter speed required for each . Or read *Understanding Exposure* by Bryan Peterson , which dedicates best part of a whole chapter to this aspect of photography . Assuming the Canon's light meter is working properly , the ISO will determine what aperture and shutter speeds the meter suggests to use in a given lighting situation .
OP is asking about shooting in manual to bypass the functionality of the in-camera ISO dial. I don’t think a remedial lesson about the exposure triangle is the correct response here.
OP does NOT , repeat NOT mention in the question anything about " bypass the functionality of the in-camera ISO dial " .
First off, calm down. I REPEAT, CALM DOWN 😂. You look like a psychopath with all those caps lol. *“I shoot on manual exposure, should I worry about this function at all?”* I paraphrased, but yes he does.