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Re: C300 - bad vignetting through entire zoom range on 24-105

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Seth Marshall
Re: C300 - bad vignetting through entire zoom range on 24-105
on Aug 12, 2013 at 1:52:00 am

thanks for the reply. because I didn't hear anything for the first few days after asking I posted this question to another forum and was told this is a common issue. that lens is a zoom through constant f/4 but apparently the T stop changes 2/3 a stop from wide to telephoto.

It may have been my camera (which was a rental) because it was very apparent in the lit studio I was shooting in. All the way wide I my talents face would be covered in zebras and they will all disappear about halfway zoomed in only to get much darker at the end of the lens. Zebra's just confirmed what I was already seeing, it was pretty obvious. Checking the waveform you could clearly see this too.

Next time you have your C300 out with that lens would you mind please checking your waveform and see if you're loosing any light like I was? thanks!


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