I bought a Canon T2i/550 ( 7D baby brother ) recently and plan to make a few short films with it. I was informed that the 50mm f1.4 lens does better in low light situations, especially for filmmaking. I am now confused cause I just purchased a 50mm f1.4 lens from ebay for $30..... did I buy the wrong lens? Should I have bought the Canon EF 50mm f1.4 model which is a few hundred dollars more in price? What's the difference between these two models? HELP!!!!

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I'm looking to use a Canon FD 50mm 1.4 with a bower FD to EF converter.

What will i be expecting? I heard i won't be able to change the F-stop on the camera.

If i do want to change the F stop, what do i do?

And also, what is the main difference on the Canon EF 50mm 1.4 and the Canon FD 50mm 1.4 ?

any difference in the images? what is the main difference from your experiences or research?

all i can find on good is that the built quality on FD is better but they all say it's about the same. but

it couldn't be the same because of the time gap between those 2 lenses are extraordinary.

I will be using this lens on the Canon 5D so let me know thanks!!!

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