 Pamela K. Barrett |
Tele-Converter for TAMRON 100-300 I'm looking for a 2X Tele-Converter for my TAMRON 100-300 f5-6.3. What would be the best kind or brand to buy?
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Lynn R. Powers |
First I am not sure your lens will take any Tele-converter lenses. The only one that is possible would be the Kenko Pro series. With a 2X TC the light coming through the lens at 300mm would be equal to having a f12.6 lens which makes autofocus impossible, unless you tape the pins, and it would be very dark and difficult to use manual focus. 2X teleconverters are notorious for degrading images. So you will have a not so good photo although the subject is a larger blurb. The only 2X TC worth the money, $500, which are the new Canon version III and are designed to be useful for the new II lenses, many of which are not even on the market yet. For quality photos I recommend you purchase a high quality lens that is longer than 300mm. And I mean QUALITY, not the $199 variety.
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Peter K. Burian |
Well, Pamela, Tamron also makes teleconverters but I agree ... I would NOT use one with this lens. Autofocus would not work or would be extremely slow (due to loss of light caused by the converter) And image quality would be poor. Peter www.peterkburian.com
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Pamela K. Barrett |
Thanks Lynn & Ron. Lynn: What would be a good lens longer than 300mm? What I'm interested in is getting closer wildlife shots, i.e., birds, squirrels, horses out in a field, etc.
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Peter K. Burian |
I believe you own a Canon EOS camera. Some people will recommend the Canon 100-400mm F/4 and it is ideal but very large, heavy, expensive. So, I am going to recommend something less expensive, one of the Sigma long telephotos. You would need to use this lens on a tripod at longer focal lengths, in spite of the built-in image stabilizer. 150-500mm F5-6.3 APO DG OS HSM See the User Reviews at http://www.fredmiranda.com/reviews/showproduct.php?product=358 Peter www.peterkburian.com
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- Gregory LaGrange Contact Gregory LaGrange Gregory LaGrange's Gallery |
Since you said birds and squirrels, consider putting out food that will bring them in closer. You can even go as far as a cheap tent from a surplus store or somewhere can be a blind. Cut a hole in one side for the lens. But if you still have a converter in mind, which if they're good won't degrade that much, use one with a straight telephoto. A good converter on a good straight telephoto can give you better image quality than many extreme zooms (ones that go from 100 or below to above 400) at their longest zoom range.
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Pamela K. Barrett |
Gregory, that's a good idea; I may have to consider that.
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Bob Cammarata |
As a rule, any teleconverter affixed to a modestly priced zoom lens will yield dissapointing results. Improving one's stealth techniques is definately a cheaper alternative than acquiring expensive new glass. I like Gregory's "cheap tent" idea. Setting up a few feeders with a make-shift shooting blind in your backyard can bring the birds and squirrels well within range.
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