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BetterPhoto Q&A
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 Shobin George  member since: 10/27/2005 |
Difference between MC4 and MC7 Could any one help me? I would like to buy a teleconverter 2x (AF). I saw two types MC4 and MC7 (Kenko make) what's the difference between these two? Will it have any difference when I take pictures? Which is better? I shall be thankful if anyone could help.. 5/15/2006 12:06:46 AM |
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Paul Tobeck member since: 12/19/2005 |
The difference between these is the number of lens elements. The MC4 is a 4 element converter, and the MC7 has 7 elements. Any teleconverter added to a lens degrades image quality, but the 7 element design keeps that to a minimum. Keep in mind that a 2x converter reduces your aperture value by 2 stops, so unless your using an f/2.8 or faster lens, you'll lose AF capability. I believe a 1.5x converter is far more useful and gives you a nice boost while losing only one stop of light. I'd start with 1.5x and if you find you need more reach, save you pennies for a longer lens.
5/15/2006 4:57:17 AM |
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Peter K. Burian
PeterKBurian.com Peter's Photo Courses: 2-Week Short Course: Boot Camp for New Digital SLR Owners 4-Week Short Course: Mastering the Canon EOS Digital Rebels Mastering the Digital Camera and Photography |
Shobin: However, some zoom lenses are really not ideal for use with any teleconverter. Which lenses do you have? And which camera? Peter 5/24/2006 6:57:38 AM |
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Shobin George member since: 10/27/2005 |
Peter, I am having Minolta Maxxum 3xi and Sigma 70-300 (4-5.6). And I am thinking of buying MC4 as MC7 is costly. And also I am a beginner. If you have any idea please help. Thanks a lot Shobin 5/24/2006 8:15:07 AM |
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