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Sporto
12th of May 2003 (Mon), 23:23
What would be the best model of converters to use with my 10D and my Canon 70-200 L 2.8 glass. With the suggested converter what would be the fast f-stop I can achieve?

Sporto
CyberDyneSystems
12th of May 2003 (Mon), 23:40
Use the Canon converters which are designed to work with the "L" glass exclusively.

The 1.4 X converter will decrease the aperture opening by one stop to f/4

the 2X converter will stop your aperture down by two full stops to f/5.6

In both cases,. since you are starting with that nice f/2.8 minimum stop,.. the lens will work very well with the converters. For that very reason,.. many people use the 1.4x and 2x with that lens in particular.
Sporto
12th of May 2003 (Mon), 23:46
Is there a specific model number for the L lens series? What are their costs if you know

Sporto
CyberDyneSystems
12th of May 2003 (Mon), 23:56
For the Canon teleconverters? No they only make the two,.

Here, This page lists both of them.;

http://www.usa.canon.com/eflenses/lineup/supertelephoto/index.html



Competetive prices can be found here;

http://www.bhphotovideo.com/bh2.sph/FrameWork.class?FNC=ProductActivator__Aproductlist _html___220456___CA1.4XEF2___USA___CatID=278___SID =F5570326410

http://www.bhphotovideo.com/bh2.sph/FrameWork.class?FNC=ProductActivator__Aproductlist _html___220457___CA2XEF2___USA___CatID=278___SID=F 5570326410