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09-25-2008, 07:54 PM   #1
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Sports & Wildlife Lens

I need some input on which lens would be best to buy on a limited budget. I would like to start by saying I own K100D. I have recently bought the PENTAX-FAJ 75-300MM. This seems to work OK but need more distance like 400mm or above. I have to shoot pictures of youth sporting events from the stands. I was wondering if any of the old k series would work. I don't mind having to do manual.

Please give advice, price range, where to find used equipment.

Thanks

Bcat

09-27-2008, 06:20 AM   #2
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i'd have to say go for the Sigma 50-500
great zoom range and it's not to pricey for what it is either
it's about 700 ($1400) or somewhere around that
here's some more info on it
PentaxForums.com Third-Party Pentax Lens Review Database - 50-500mm F4-6.3 EX DG HSM (AF Lens)
09-27-2008, 07:45 AM   #3
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QuoteOriginally posted by breadstraw Quote
i'd have to say go for the Sigma 50-500
great zoom range and it's not to pricey for what it is either
it's about 700 ($1400) or somewhere around that
here's some more info on it
PentaxForums.com Third-Party Pentax Lens Review Database - 50-500mm F4-6.3 EX DG HSM (AF Lens)
forget the sigma zoom 50-500. Why? Look at the aperture of the lens. It's f6.3. Way too slow. And at 50mm - imagine taking a photo at 50mm f6.3 - yuck!

Look for something second hand at f5.6 or f4.

A pentax 500mm f5 or f4.5 in M42 mount can be found for a few hundres dollars. But really, you can't shoot good photos from the stand - even if you had a 600mm, f4.

Otherwise, if on a budget, maybe try a tokina 80-400, f5.6.

Faster lenses are always better, even if shorter focal lengths - then just try and get closer. But slow is slow wherever you are.
09-29-2008, 06:32 PM   #4
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mr.vougtlander, what an absolute load of toss you just sprouted!

First of all, the 50-500mm is f/3.5 at 50mm, not f/6.3. You only hit f/6.3 at 380mm and over.

Secondly, the difference between 5.6 and 6.3 at the long end would be negligable at best. Bump up the ISO from 100 to 200 and problem solved. ISO 200 is fine.

Third. Unless the guy has really deep pockets and is trying to make a professional career, buying a lens over 300mm with a constand f/4 aperture would be prohibitively expensive for an amatuer.

bcat, Sigma does make a very good 100-300mm f/4 lens if you are happy with the 300mm max focal length. It also prices the same or under the 50-500mm so will be in your price range.

The Tokina 80-400 is a cheap peice of junk and would be possibly the worst investment ever. I had one and I threw it on eBay a week later it was so bad.

I photograph fast moving aircraft, motor sports and all kinds of stuff with the 50-500mm and although it is not super fast it gets the job done easily without remortgaging my house for a lens.

09-29-2008, 06:35 PM   #5
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Original Poster
Thanks for the info, the distance shooting the youth sports is actually from a distance of the running track around the field.

I appreciate all the info recieved here.

bcat
09-29-2008, 10:24 PM   #6
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Don't forget you can always get a faster, shorter lens and throw on a teleconvertor to add some distance. I have a Sigma 1.4x APO TC and I wil throw it on my Sigma 100-300 f/4 APO at time. Granted, that lens is about $1,100, but I bought he TC for about $30 on ebay used. You could pick up a shorter Sigma and be in the range without breaking the bank. Don't forget you lose a stop or so while using the TC, but it's doable.
09-29-2008, 11:00 PM   #7
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If you're needing the range for outdoor track type events in daylight conditions then I would 2nd Cayman's suggestion of a tele-converter. A 1.5x TC would bump your 75-300 up to 113-450mm and f/9.5 at the long end; which is probably fine given the lighting conditions. That would certainly be the budget minded approach anyway. The Kenko 1.5x TC goes for $87 new at Adorama.
09-30-2008, 03:52 AM   #8
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You can find a ton of used glass at keh.com, they are pretty conservative when grading the used glass so you really don't have to worry. Although I just took a quick look and there doesn't seem to be anything that you'd be looking for.

As far as lenses go I think people have made some good suggestions. Any new'ish long glass will be pricey. A lot will depend on how much you want to spend and just how critical you are with photo quality.


John

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