This is impressing Christian!
Tim Mostly harmless (just plain Norwegian) Never underestimate the power of stupidity in large crowds (Very freely after Arthur C. Clarke, or some other clever guy) > -----Original Message----- > From: Christian [mailto:[EMAIL PROTECTED] > Sent: 27. mars 2006 17:11 > To: [email protected] > Subject: More about birds on a budget > > Thinking about the latest thread on what lens for bird photography > without breaking the bank, I went out and did a quick field test. > > Here is a 300/4 with 1.4x extender AND 2x extender for a total of 840mm > f11 equivalent. I used a Sigma flash with Kirk flash x-tender for a bit > of extra light. The bird was about 50 feet away and this is quite a > crop and resized for the web, etc, etc. (It's crappy composition; I hate > the looking-up-perspective, but it's a pretty bird: a Northern > "yellow-shafted" flicker (Colaptes auratus) a type of woodpecker common > around here). > > http://ww2.xian.us:8080/flicker_IMG_4798.jpg > > ~200k > > As a test I'm happy with the sharpness, color and lack of any obvious > lens artifacts. The combination of lens and 2 TCs was a bit difficult > to focus due to so much loss of light, but definitely doable. > > -- > > Christian > http://photography.skofteland.net >

