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Old Aug 22, 2008, 10:20 AM   #1
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Hi all,

Hoping for some comments on what I should put on my shopping list for a prime lens that will be shooting mostly indoors; I see some suggestions for indoor sports shooting but wasn't sure if they would apply to me, as I'm taking mostlypix of kids and babies running around inside the house.

Whereshould I start looking? 24mm? 28mm? 35mm?

I have a Rebel XT and the kit lens (EF-S 18-55mm) that comes with it; I do notice I'm usually in the 20'ish area when I'm shooting inside so that's where I thoughtto start my looking. I also like avoiding flash as much as possible... it either distracts the kids or attracts too much of their attention

Thanks for any pointers!

VC
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Old Aug 22, 2008, 12:53 PM   #2
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Yup something from 24-35.

You probably want a lens with fast AF for kids, so avoid non-USM lenses.

Sigma make some wide aperture primes from 20-28 but the AF is very slow and horrible.

So you are probably down to 4 choices:

1. Canon 24mm f1.4 L (wonderful, but expensive).
2. Canon 35mm f1.4 L (wonderful, but expensive).
3. Canon 28mm f1.8 (pretty good).
4. Sigma 30mm f1.4 (pretty good).

Can't really go wrong with any of them, let focal length and price be your guide.
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Old Aug 25, 2008, 5:28 AM   #3
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I have the XT/350D as well and I recently bought faster lenses to shoot my new baby girl indoor.

My choice ended up being the:

EF 50mm f1.8. This is less than USD100 and very fast and sharp. A must-have at that price but 50mm does have its limitations on a 1.6 crop body like the 350D.

EF-S 17-55mm f2.8 IS USM. This is 10 times the price of the other, is nominally not as fast but has better optics and IS.But it's not a primeof course andthe USD1,000 price tag is a bit steep - but I find it's worth it!

Anyway - I would imagine these lenses would cover your needs.
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Old Aug 25, 2008, 11:49 AM   #4
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Thanks all for the commentary - very helpful. Time to start browsing the options laid out and see what's in my $ range... hugely intrigued by the Sigma 30mm f1.4 but the online commentary vary so wildly that I'm a bit scared to go that route! Probably leaning more towards the Canon 28mm f1.8 (pretty good) right now.

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Old Aug 25, 2008, 1:35 PM   #5
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velocitycurve wrote:
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Time to start browsing the options laid out and see what's in my $ range... hugely intrigued by the Sigma 30mm f1.4 but the online commentary vary so wildly that I'm a bit scared to go that route! Probably leaning more towards the Canon 28mm f1.8 (pretty good) right now.
Here is an album by Lightrules (formerly known as fstopjojo) comparing the Sigma 30mm f/1.4 to a Canon 35mm f/1.4L and Canon 35mm f/2:

http://www.pbase.com/lightrules/30v35s

Scroll down on this page, and you'll see some more tests and comparisons using this Sigma:

http://www.pbase.com/lightrules/lenstests

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Old Aug 25, 2008, 5:14 PM   #6
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FYI: http://www.pbase.com/lightrules/28v30
and: http://forums.dpreview.com/forums/re...ssage=28917741
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Old Aug 26, 2008, 12:34 PM   #7
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It looks like my last link is not good anymore.

Here are the links with tests and comparisons with the Sigma 30mm f/1.4 that I see there now:

http://www.pbase.com/lightrules/28v30

http://www.pbase.com/lightrules/30v35

http://www.pbase.com/lightrules/30v35_1st

http://www.pbase.com/lightrules/30v35_2nd

http://www.pbase.com/lightrules/5030

http://www.pbase.com/lightrules/2470lv30ex

Personally, at under $500, I think I'd go with the Sigma if I wanted a lens with this focal length for shooting indoors without a flash. Just keep in mind that you're percentage of keepers may still be lower than desired in typical indoor lighting at night, even using higher ISO speeds. Plus if you're using a lens like this at wide open apertures, you'll have less Depth of Field, and a bit lower contrast/sharpness, etc. With some light coming in through windows in the daytime, you can get away with no flash much easier.

Of course, it's better to have f/1.4 if you need it (you don't have to use it wide open). But I'd grab a good flash to supplement a bright lens, since in some indoor conditions, you're going to need one.

On the downside, this particular Sigma lens wouldn't work properly on a full frame body like the EOS-5D (Sigma's DC series lenses are designed with a smaller image circle for an APS-C sensor, so you'd get vignetting if you tried to use it on a body with a larger sensor or film size). But, you'd probably want to use a 50mm instead of a 30mm on a body with a larger sensor anyway.
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Old Aug 27, 2008, 11:30 PM   #8
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Hi all,

Thanks for the replies - very helpful! I think I need to find somewhere that has both so I can try them before I decide... at least its down to these two I'll try not to be gripped by analysis paralysis when the time comes to put the $ down.

VC
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Old Aug 28, 2008, 12:25 AM   #9
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How about a Tamron? Check out:

http://www.the-digital-picture.com/R...ns-Review.aspx


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Old Aug 28, 2008, 7:56 AM   #10
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a-beginner wrote:
Quote:
How about a Tamron? Check out:

http://www.the-digital-picture.com/R...ns-Review.aspx
Why does everyone always neglect to mention the Tokina 16-50 f/2.8?
-> This is one of the widest 'standard zoom' i.e. equivalent to 24mm(@16mm) instead of 28mm and has one of the best MTF? This lens together with the Tokina 11-18 f/2.8 is the most sought after super-wide that's it on back order at most places... especially when compared agaisnt Nikon's own 12-24



As to the standard primes, bear in mind that except for the 50L f/1.2 most Canon's primes dated back decade old in design if not more as opposed to the newly APS-C 30mm f/1.4 Sigma which has a higher contrast. You also get a lot more glass in the 50mm f/1.4
-> Check out its size: http://www.dpreview.com/lensreviews/..._c16/page2.asp
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