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350D - help with apreture


kerrybearman 10 27 England
25 Jan 2008 9:49AM
Hi! I'm a new'un to ePHOTOzine... have introduced myself in 'taking photos'.

I have a Canon EOS 350D and the obligatory 18-55mm 3.5-5.6 Canon lens, and thought I knew a fair bit about aperture, but am really not understanding why my camera won't let me open it up to f3.5. Am I being a thick-O? Thanks. Kerry

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keithh Plus
14 25.4k 33 Wallis And Futuna
25 Jan 2008 9:52AM
Possibly because you're at the 55mm end of the lens and it's maximum is f5.6 at focal length.

At 18mm you can use f3.5
25 Jan 2008 9:53AM
Your Lens will only be able to have it's widest aperture value at its widest setting.

i.e. 18mm - f/3.5
55mm - f/5.6

If you set you lens to it's widest angle (18mm) you should be able to use f/3.5. If you then Zoom in you will notice that the camera alters the aperture accordingly.

Paul
Coleslaw Plus
12 13.4k 28 Wales
25 Jan 2008 9:56AM
I am very surprised that they didn't teach you that in college.
A cr*p college or what?
Geoffphoto Plus
11 13.5k United Kingdom
25 Jan 2008 10:25AM

Quote:I am very surprised that they didn't teach you that in college.
A cr*p college or what?



NO, just a crap lens !!!!
kerrybearman 10 27 England
25 Jan 2008 10:36AM
Er... a crap college AND a crap lens. No, I've tried every which way - 18mm included. 18mm is only opening it to f4! I'm so confused - I thought that the lens wasn't being completely compatible with the camera.

And to the college thing... if you want to learn anything other than how to build a pinhole camera, you have to ask... not something I could be bothered with at 16... it's my own stupid fault. By the time I got to art college, they assumed I'd already learned it!
Sabreur Plus
12 767 England
25 Jan 2008 10:49AM
I haven't used my 18-55 for a while, and I'm at work so I can't check and might be talking complete rubbish...

Do you have your camera set to one-half or one-third exposure increments (CF 6)?

If it is one-half, then I think you might not be able to select f/3.5 as it is one-third of a stop wider than f/4.
Coleslaw Plus
12 13.4k 28 Wales
25 Jan 2008 10:55AM

Quote:NO, just a crap lens !!!!


there is only cr*p photographer, no cr*p lens...lol
kerrybearman 10 27 England
25 Jan 2008 10:57AM
YES! That's it. Thanks Sabreur! I didn't even know that choice existed on this camera! The problem with digital. Think I shold lock myself in a room for 2 days and become at one with my camera.

Thanks everyone.

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