350D_Noob Senior Member  877 posts Joined Jan 2006 Location: Virginia Beach, Va. More info | Oct 25, 2006 01:18 | #1 What does the widest aperture on a 2.8 become with a 1.4x tele-converter? How about on a 2x tele? Thanks in advance. Just curious because I' trying to figure out if I want the 70mm-200mm f/2.8 IS L with a tele or just buy the 300mm f/4 IS L. Suggestions would help as well. Gear List
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LightRules Return of the Jedi  9,911 posts Likes: 5 Joined Jun 2005 More info | Oct 25, 2006 01:19 | #2 1 stop loss with 1.4x, 2 stops loss with 2x. See the sticky at the top of the lens forum.
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Oct 25, 2006 01:23 | #3 EDIT: Found it. Thanks Gear List
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SolPics Senior Member  709 posts Likes: 1 Joined Jun 2005 Location: Solana Beach, CA More info | Oct 25, 2006 01:34 | #4 If you're going to shoot with the Tcon more go with the prime. They work much better with a Tcon. SolPics
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 | x 1600 |
| y 1600 |
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