Reviews written by Ryan Marko

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Ryan Marko
www.juzaphoto.com/p/RyanMarko

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Reviews of cameras, lenses, tripods, heads and other accessories written by Ryan Marko

Canon EF 2.0x III

Pros: -Surprising high image quality for a 2X extender -High build quality, water resistant.

Cons: -autofocus with the 2x extender is disabled on F5.6 lenses such as the 400mm 5.6L, though you can actually autofocus through live view mode using contrast detection. -strong purple fringing at times when subject is against the sky. You can work around this be turning the saturation down on the purple color though. -soft at the wide open aperature. Stop down one click (one third of a stop) and most of the softness goes away.

Opinion: I have a Canon 5D Mark II. Using the 2x extender III on the Canon 400mm 5.6L is the cheapest way to get to 800mm using Canon L series lenses. The 400mm lens can be bought refurbished for 1000$ and the extender is around 450$ on sale. 1450$ for 800mm is very good value. Checkout my eagle pictures on my profile to see the image quality. As i mentioned, I recommend stopping down one third of a stop to get more sharpness. For example, if you are using the 2x extender on a 2.8 lens, the aperature will now be F5.6. Stop down to F6.3 for sharper results. I usually shoot at F13 on my 400mm 5.6 lens. UPDATE FEB 2013: I have been now using the 2x extender with the 135mm F2 and the 24-105mm. Yes you can used the 2x extender with the 24-105mm if you place extension tubes in between. see my macro photo of the wedding ring.

sent on January 09, 2013