I must be missing something, but the viewfinder meter never changes when I stop down the lens. How do I meter when using Nikon lenses on my 7D.

Also, can I only use manual mode?

Thanks

Use a regular light meter would probably be the best way.

You mean I can't use the camera's built in meter?

There might be a Nikon to EOS adapter that sends the electronics but most don't so you cannot use the light meter in the cam.

BTW, what adapter are you using and are you happy with it. I bought one cheap one (about 20 bucks) and there is way too much slop for it to be useful.

Thanks,
Benjamin

I got one from Fotodiox on Ebay. Works fine as far as fitting the lens to the camera, I'm just surprised the camera won't meter the light coming through the lens.

The camera will meter the light...

you manually set the aperture you want the lens to be at and you manualy focus the lens.
The camera will meter the light and adjust the exposure for you

Ray, do I set the camera to Aperture Preferred or Manual?

Thanks

In Av mode the camera will meter the light coming in and adjust shutter. Manual focus is necessary a already mentioned.

In M mode the camera will meter the light coming in but you have to adjust shutter until the indicator in the viewfinder shows the pointer at the center (or set for whatever under or over exposure setting you want.

I don't know about other modes because I keep the 50mm F1.8 Nikkor and it's adapter with the T1i kit and haven't even put it on my 7D (I have an EF 50mm F1.8 that stays in the 7D bag since all of it's functions work with the 7D Manual mode for video).

I must be missing something, but the viewfinder meter never changes when I stop down the lens. How do I meter when using Nikon lenses on my 7D.

Are you still in Auto-ISO mode?

Thanks Kin, I never considered that.

Auto-ISO was a bit of a puzzle the 1st time I tried manual mode. :)

Not sure about the Nikon lens metering but when in AV or TV mode the camera reverts to AUTO. AV and TV priority do not apply when in video mode on the 7D.