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Canon EOS 3 - Aperture Problem

Nick Geldard

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Hey guys, new to here so this is my first post. I have a question regarding my Canon EOS 3 35mm film camera. I bought it recently (Without lens) and functionally it works great, no issue with the LCD panel and its in great condition.

I ordered the 50mm Canon EF 1.8 lens from B&H and attached it to the camera. Now, this might just be me being naive/lack of knowledge (still relatively new to film photography) but when I change the aperture on the LCD panel I expected to see the aperture blades on the lens open/close when I increase and decrease the aperture but nothing happens. Is this normal? The lens autofocus works fine but just nothing when I change the aperture. Maybe they’re stuck? I live in the Cayman Islands & nowhere deals with film photography.

Any suggestions/answers will be greatly appreciated, thanks!!
 

BriPriUK

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Nick
This is perfectly normal, the aperture only closes when you press the shutter button.
You have a great camera, and I'm jealous of your location!
BrianP
 

Phill104

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I have one of those too. Bought it just after release and really enjoyed using it.

There is a depth of field preview button you can use that temporarily closes the aperture blades to your set level so you can gauge the DOF. It is on the front, but you can also set they eye controlled focus so when you look at a spot in the viewfinder it also does the same. Been a long while since I have used it so cannot remember exactly how.
 

Nick Geldard

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Nick
This is perfectly normal, the aperture only closes when you press the shutter button.
You have a great camera, and I'm jealous of your location!
BrianP

Okay thanks so much! That’s the reassurance I needed so appreciate the response. I’m looking forward to making the most of this beautiful island!!
 

Nick Geldard

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I have one of those too. Bought it just after release and really enjoyed using it.

There is a depth of field preview button you can use that temporarily closes the aperture blades to your set level so you can gauge the DOF. It is on the front, but you can also set they eye controlled focus so when you look at a spot in the viewfinder it also does the same. Been a long while since I have used it so cannot remember exactly how.
Brilliant, thanks for the info. It’s an amazing camera with so many smart features! Appreciate the response!
 
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