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08-13-2008, 01:39 PM   #1
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2.8 Lens for Indoor Sports without Flash?

I want to buy a lens for Indoor Flashless Sports Photography. I need at least the reach of a 2.8 200mm.

I've been waiting for the new 70-200 HSM Sigma but there has been a lot of talk about the IQ not being the best. I also read that the Tamron just will not focus fast enough and the Pentax 50-135 is just too short for my needs.

I'm shooting with the K10D so I can't push the ISO too far so even f4 is a problem but if there was a great option at f4 I consider it.

My question is, What are my options if not the Sigma?

Thanks in advance,
joe

08-13-2008, 02:44 PM   #2
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where did you read the Tamron will not focus fast enough? if it's from dpreview, the Canon mount version they use has an internal motor which doesn't seem the greatest. on Pentax mount, it will use the screwdriver AF motor.

there's the FA* 80-200mm if you can find it which fetches more than $1500 used
or you can find a used Tokina AT-X 828, one up on eBay right now
08-13-2008, 02:56 PM   #3
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What kind of sports are you talking about and what kind of lighting? Local / high school gym, or professional arena, etc? How close are you to the action?

I've found at least in gyms, even 2.8 can be too slow. For things like Volleyball games when sitting in bleachers, I would use 85mm f/1.8 (I'm a Canoneer). The LTD 77mm would be the Pentax equivalent, basically.

If you can get down on the floor next to players, you want wider lens, maybe 30-40mm or so.

Also, you need to analyze how far away you are from the action -- if you're far enough away, it doesn't matter how fast the Tamron focuses, as everything may already be in focus and you can just put the camera in manual focus and not touch the focus ring, assuming you aren't zooming in and out very much.

I'm assuming if you need 200mm indoors, you are shooting under decent light? You might consider Pentax's 200mm f/2.8; excellent IQ and from what I read it focuses quickly.
08-13-2008, 03:33 PM   #4
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Pentax-A SMC 70-210/4 for less than 100$ :-)

08-13-2008, 06:03 PM   #5
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Original Poster
I'm shooting indoor swimming. Lighting is fine for 2.8, I'm poolside and need the 200 to isolate one swimmer at a time.

I'm thinking about the Tamron more thanks to your comment on the autofocus problem not being a Pentax issue.

Up to now I've been using a tamron 28-300 at 6.3 with a flash so I'm sure both these lenses will be a big improvement.

I want to dump the flash so I can go to motor drive and not miss as many moments.
08-13-2008, 06:10 PM   #6
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I have a whole collection of lenses I have used for indoor sports, and they all work. depending on focal length, and zoom vs prime, any one of these will do just fine.

Primes SMC 50mm F1.4, SMC 135mm F2.5,

Zooms Vivitar Series 1 70-210 F3.5 (version 1) Tamron 28-75 F2.8 Di, Sigma APO 70-200 F2.8 EX.

the sigma is good for longer shots but unless yoou are shooting pro sports I actually find it too long (OK Maybe you could us it at some NCAA games too!)

For High School sports and things like TaiKwon-Do, the 28-75 works very well. If you can get close, TKD, Wrestling etc all you need is a 50mm so go for a 1.4, and if you are a little further back, the 135 works well, and is a little faster at f2.5 which really helps

what you should do, just for an excersize, is consider your shooting distance.

Image size = Subject size * Focal Length / Subject distance.

Keep all units the same (I prefer meters) and remember yur sensor is only 0.016 meters high.

this will give you an idea of what focal lengths you really need depending on your subject.
08-13-2008, 06:30 PM   #7
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QuoteOriginally posted by pasipasi Quote
Pentax-A SMC 70-210/4 for less than 100$ :-)
Not anymore, they are going for approx. $120 and up plus shipping these days in fleabay
08-13-2008, 07:36 PM   #8
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Whats wrong with the DA* 200mm?

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