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how to set Aperture on 40D

Brent Atkinson , Nov 06, 2007; 07:03 p.m.

I have a 40D that I was given as a gift...I am a very rookie photographer, getting more into it. I have the camera on "M" and can set the ISO and Shutter speed, but cant figure out how to set the aperture (f-stop)? Thanks

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Michael Ging , Nov 06, 2007; 07:07 p.m.

You might want to find a copy of the manual , and as I do not have this camera I can't tell you for sure, but I believe you rotate the horizontal wheel directly under the shutter button. You can usually change this to the wheel on the back in custom functions. I hope this helps.

Colin Southern , Nov 06, 2007; 07:09 p.m.

Use the big wheel at the back, or the little wheel by the shutter release - just be sure that your power switch is in the position that's furthest away from off (the middle position disables the "big wheel at the back) (QCD) (Quick Control Dial)

Cheers,

Colin

Puppy Face , Nov 06, 2007; 07:10 p.m.

You also need to enable the QCD on the power switch (2nd setting).

Kelly Phillips , Nov 06, 2007; 07:12 p.m.

Hi Brent, Being a "very rookie photographer" as you say, I would advise you to start either in aperture priority mode (AV) or shutter pri (TV). I think you will have more fun and learn more at first trying to keep it simple. When I first started, I tried shooting in manual mode and just got frustrated. I'm not saying that it can't be done by a "rookie photographer" but I've always felt like I should take it slow and learn as much as I can about the simple stuff first.

Brent Atkinson , Nov 06, 2007; 07:26 p.m.

Thanks this worked (QCD wheel with pwr switch in 2nd pos, dont know why the QCD wheel doesnt work with pwr in the 1st "on" position). One more question. My lens is a 28-135mm 3.5-5.6 but when I got adjust the f-stop on the camera it goes all the way down to 3.5 and up to 22. I am assuming it only maxes at 5.6 regardless if you set it higher on the camera?

Eric Brody , Nov 06, 2007; 07:31 p.m.

Your specific question should be answerable in the manual but beyond that ... You have a reasonably sophisticated camera and what sounds like very little photo knowledge or experience. There's nothing wrong with that, everyone has to start somewhere but you are learning to drive in the equivalent of a racing car with a manual transmission.

Do continue playing, experimenting, but at some point read a book, start with the manual though much of it will make little sense, take a photo course at your local community college, learn the basics, it will pay off in the end.

Good luck.

Eric

Joshua Szulecki , Nov 06, 2007; 07:35 p.m.

Brent,

I'm not trying to be harsh... Please read the manual. Your camera is an expensive and complex device, and should only be operated after at LEAST reading the quick-start card or similar item.

As per the 3.5-5.6 f/stop question... Read these: (link) http://planetneil.com/tangents/exposure-metering/variable-aperture-lenses/ http://photo.net/bboard/q-and-a-fetch-msg?msg_id=00Mr0Q

Brent Atkinson , Nov 06, 2007; 07:46 p.m.

yea I have read it...I think the problem is understanding some of the terms (photographic terms) that arent explained in the manual. I am off to get a basic photography book this week.

Frank Mueller , Nov 06, 2007; 08:11 p.m.


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