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Old Aug 12, 2008, 4:35 AM   #1
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Am looking for a good indoor lens for use inside a gym to take photos of a group of kids (covering an area of about 5 mtrs. x 5 mtrs. dancing, performing on a basketball court. Then want to take photos of individual kids, full body. I can be at court-side or move back for wider shots.

Flash may not be an option.

I'm looking at either the 50mm f.14 (Canon or Sigma) or the Canon EF 85mm f1.8.

Would appreciate your recommendations.

Thanks.


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Old Aug 12, 2008, 5:44 AM   #2
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I would say at f/1.8 an 85mm wouldn't be able to do a group shot because of its DOF
(but great for individual performance)

-> A shorter 50mm f/1.4 will have a larger DOF, but then they don't really get really sharp until f/2.8 or so (especially in poor light), so IMO flash(es) should always be an option... if allowed
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Old Aug 12, 2008, 6:27 AM   #3
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I think group shots will be VERY, VERY difficult to get. You've got two competing needs (if flash is not allowed) - wide apertures (to get faster shutter speeds) and deep dof to get the group in focus.

Even with still subjects, 50mm lens is a poor choice for group shots. It's not wide enough. And when you back far enough away to get the group your focus / sharpness will suffer.

The 85 is a complete no-go for group shots. It's really designed as a portrait lens although you can get nice full length shots with it.
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Old Aug 12, 2008, 1:47 PM   #4
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Exactly - Once you get above f/2.8 then any 16-50 f/2.8 zoom will be more flexible to complement the better IQ :idea:

... and in case you still want a prime (with larger DOF): http://forums.dpreview.com/forums/re...ssage=28917741
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Old Aug 12, 2008, 10:06 PM   #5
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Thanks a lot to all for the inputs.

It looks like I will need two lenses to do all of what I described. Or compromise on my needs or wants and settle for 1 lens.

The 50mm f1.4 might be the way to go for me, specially because it will go on a 1.6 crop body which extends the focal length to 80mm, a bit long still for group shots in low light.
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Old Aug 12, 2008, 10:58 PM   #6
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This one is way spendy, but it would probably be good for what you're looking for.
Canon Zoom Super Wide Angle EF 16-35mm f/2.8L II USM
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Old Aug 12, 2008, 11:17 PM   #7
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Thanks Joe. You are right, a bit way spendy. An L lens is out of my budget. But thanks for the suggestion.
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Old Aug 14, 2008, 4:54 PM   #8
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FYI - Review of the Sigma 50 f/1.4 just out: http://www.photozone.de/canon-eos/392-sigma_50_14_canon

The Sigma is indeed better in most area, but it does cost more too...
-> Quite interesting lens on a Nikon with no HSM equivalent and a body that cancel out the CA
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Old Aug 19, 2008, 12:09 AM   #9
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NHL,

Thanks a lot for the link. I have also read other reviews of the Sigma and while it is generally regarded as superior in quality of images to others, there seems to be some inconsistency of focus.

Now I need to decide between the Canon 50mm f1.4, Canon 50mm f1.8 and this Sigma.
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Old Aug 19, 2008, 1:46 AM   #10
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If you want fast AF then you can eliminate the 1.8 from your list.

The Canon f1.4 is reasonably sharp in the centre at f1.4 but really shines at f2 and below.

The Sigma looks a bit better at f1.4 and I would suggest that after that there's very little in it. Some reports of AF issues and decentering on the Sigma.
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