Why am I not able to see through the eye piece while my camera in on

Question

Canon EOS Rebel T1i / 500D

The Canon EOS Rebel T1i, also known as the EOS 500D, was released in 2009 as a mid-range digital single-lens reflex camera.

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I can see through my eyepiece when the camera is off but not when the camera is on

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score 1 · Answer 1 · 2022-05-29T06:11:08-07:00

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Hi,

What happens if you hold the shutter button half operated, can you see through the viewfinder then?

Try adjusting the viewfinder's dioptric knob and check if that resolves the problem.

Here's an image to show where it is located.

(click on image to enlarge)

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