Struggling with iso and aperture and exposure

[shazza]

Hi there, I am struggling with my ISO, aperture and Exposure. I just cant seem to get it right.Do i need to set it everytime i take a photo, Some of my photos came out really nice and then others are blury or rather not in focus. I also struggle with my glasses as i have bi focals. Any ideas wouuld be appreciated. thanks Sharon

[nickbedford]

Take a look at DPS's post on this: Exposure Triangle – Not just about more/less light

[mad editor]

Originally Posted by shazza

Hi there, I am struggling with my ISO, aperture and Exposure. I just cant seem to get it right.Do i need to set it everytime i take a photo, Some of my photos came out really nice and then others are blury or rather not in focus. I also struggle with my glasses as i have bi focals. Any ideas wouuld be appreciated. thanks Sharon

Sharon, I wear bifocals too. But I look through the distance portion of my glasses and I am fine. Or, I set the dopter way up and shoot without my glasses on. As for the rest, read the link Nick sent you.

And welcome to DPS!

Patricia

[shazza]

Thankyou Nickbedford and Patricia, I have changed the diopter but it doesnt help. Where do i find the Exposure Triangle in the dps, new at this and trying to find my way around it. Sharon

[pixelmantis]

For quick setups I usually set my shutter speed first based on subject motion.
Then adjust the aperture and ISO settings accordingly. I think shutter speeds are always the primary limiting factor in most setups, assuming genrral shooting and that you're not looking to get bokeh.

[RLucas]

SK66 came up with an interactive exposure triangle.
It is really neat, if want to see a visual of what happens when you change variables.
Interactive Exposure Triangle

[RichardTaylor]

@ Sharon.

You may be able to get "Dioptric adjustment lenses" for your cameras viewfinder.