On Dec 2, 2010, at 11:21 AM, Igor Roshchin wrote:

> I've used two TC's: A2X-S and F 1.7X AF,
> both mostly for "macro" (or close-distance) shots.
> 
> Here is an example of my first use of the A2x-S (with a zoom - since you
> asked):
> http://www.komkon.org/~igor/PHOTOS/WildAnimalPark/IMGP5086w2.jpg
> It was shot with *istDS.
> For detail, see this old post of mine:
> http://www.mail-archive.com/[email protected]/msg387319.html
> (The link to the photo is updated here.)

Neat, Igor. And thanks for the link to the thread, which made me chuckle. 

> I like both TC's. However, since I got my hands on the 1.7X AF, 
> I prefer it. The AF adds some convenience.
> (E.g. I tried it recently in Sydney with Rob's 300/2.8, while shooting
> surfers and it was nice! - I hope to use the upcoming break to work
> on the photo backlog.)

Dumb question now. I think I know the answer without thinking about it very 
hard. Nevertheless: Can a teleconverter add functionality to a lenses, e.g., 
give on-camera control of aperture to an M lens? 

------------------------------------------------------------------------------------------
Eric Weir
Decatur, GA  USA
[email protected]





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