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Old 29th of October 2009 (Thu)   #1
Apollo.11
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Default Sigma 24 mm 2.8 Super-Wide Macro Lens

Does anyone know anything about this lens? I found a used one but Iwasn't sure if it would mount to a 40D.
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Old 29th of October 2009 (Thu)   #2
gasrocks
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Default Re: Sigma 24 mm 2.8 Super-Wide Macro Lens

Not sure 24 qualifies as super wide. What is the entire name of this lens? Some older SIgma will not work on newer bodies. Or, a link to the one you saw.
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Old 29th of October 2009 (Thu)   #3
Apollo.11
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Default Re: Sigma 24 mm 2.8 Super-Wide Macro Lens

As far as I know, Sigma 24mm f/2.8 Super-Wide Macro Lens, is the name. Yeah 24 isn't very wide, but I was interested in a 24 prime for a crop camera (and it's cheap). Because it's called "super-wide" I'm afraid it's an old film mount and won't fit my 40D.
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Old 30th of October 2009 (Fri)   #4
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Default Re: Sigma 24 mm 2.8 Super-Wide Macro Lens

If it's an autofocus Canon mount, it will "fit".

If it's really old, it might not "work" (so you might have to use manual focus/shoot wide open) even if it mounts.

You can shoot 24mm @ f/2.8 with your 17-55, so not sure what you'd be gaining, but it's your money

And 24mm isn't that much different than 30mm (since you have the 30/1.4)

They call it "Super-Wide" because 24mm on a film camera is just at the end of the "Super Wide" range (24mm on a film camera gives you the same FOV as a 15mm on your 40D)
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Old 30th of October 2009 (Fri)   #5
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Default Re: Sigma 24 mm 2.8 Super-Wide Macro Lens

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Originally Posted by egordon99 View Post
If it's really old, it might not "work" (so you might have to use manual focus/shoot wide open) even if it mounts.

You can shoot 24mm @ f/2.8 with your 17-55, so not sure what you'd be gaining, but it's your money

And 24mm isn't that much different than 30mm (since you have the 30/1.4)
Yeah, I think I'd have to manual focus on it. The only reason I was interested was the guy only wanted $40. You're right, I have plenty good glass in that focal range. I passed on the lens. Thanks for the input.
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Old 30th of October 2009 (Fri)   #6
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Default Re: Sigma 24 mm 2.8 Super-Wide Macro Lens

Are you sure? I'm trying to calculate the odds that an old 24/2.8 lens at $40. will be sharper than your 17-55/2.8 IS lens.
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Old 30th of October 2009 (Fri)   #7
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Default Re: Sigma 24 mm 2.8 Super-Wide Macro Lens

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Originally Posted by gasrocks View Post
Are you sure? I'm trying to calculate the odds that an old 24/2.8 lens at $40. will be sharper than your 17-55/2.8 IS lens.
Agreed. I didn't buy the lens.
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Old 12th of April 2010 (Mon)   #8
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Default Re: Sigma 24 mm 2.8 Super-Wide Macro Lens

I just received this lens today. It works nicely on the 20D. I do see that many people as well as myself have experienced that any aperture other than 2.8 displays "Error 99," which I feel is the only short coming so far.
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Old 13th of April 2010 (Tue)   #9
Jam.radonc
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Default Re: Sigma 24 mm 2.8 Super-Wide Macro Lens

I got it recently on eBay for 31 euros. Soft wide open needing to dial in +7 on my 5DII for accurate focusing. Noisy as anything but what do you expect for an ageing lens. Why did I buy it? Was a good idea at the time but i won't be using this at all. Vignetting is bad too. I guess it's my next lens to open up and see what's inside.
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