Very droll, Neuro! :-)
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ω is Ω = omega. When it is in a word, we pronounce it like an o.
It has nothing to do with w.
5d mark iii light leak
light leak with normal operation in sunlight
That would explain my consistent under exposures in direct sunlight!
All sarcasm aside... does anyone not see how this could be a serious issue for astrophotographers?... it just doesn’t appear there is an issue to me.
Wrong. It's a HUGE issue for anyone who's favorite photographic subject is the inside of a lens cap!!!
If you are using a headlamp or the LCD backlight to set your exposure for a night sky capture, you could be in serious trouble. I'll be doing some tests tonight and will follow-up tomorrow.
I fear the 5D3 may not be suited for astrophotography at all if this problem affects nighttime exposures.
Dan Chung reported that the 5DIII consistently under exposed by about 2/3 stop compared to the D800. Could this be why?Very unlikely. Plus, what is "over/under-exposed" is very subjective.
I have no idea, none, ziltch!
I think that is an understatement in real-world situations.Such a small amount of light would be TOTALLY AND UTTERLY swamped in any real situation, with a lens on. And remember, when the camera decides what exposure to use when the shutter is fired, it does so with the lens WIDE OPEN, before it stops down the lens and begins the exposure. So I think it would be hard to contrive a situation where the light coming in through the LCD would be anything other than negligible compared to the light coming in through the wide-open lens.
I suspect that misses the point. It's the metering that's affected - similar to leaving the VF eyepiece uncovered when metering on a tripod. Extraneous (non-TTL) light hitting the metering sensor results in an underexposed shot, potentially resulting in lost shadow detail. Not saying this is a huge issue in real-world shooting, just defining the problem.
After first time trying a film I left digital for a long. I came back for digital only for textures and for shooting video.
I shoot 120 film with panoramic 617 camera which is 160Mpx equivalent. I shoot 135 film with Canon EOS 620 And Olympus OM-10. Olympus is just perfect.
And I love film.