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09-02-2011, 02:54 PM   #1
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Join Date: Sep 2008
Location: Menlo Park, CA
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Pentax smc P-A* 300mm F4.0

Some sample shots from this long lens.

This lens is not as heavy as the 200mm F2.5 and the barrel is a little more narrow, making for easier focus. The reasonable size allows much easier handheld work, although its best to limit the shutter speeds to 1/30 or faster. I have used this with a walking stick for an impromptu monopod and it works well. I've also used it under the stars for some astrophotos and it has well controlled PF. As with the 200mm, I use a UV filter on it when under bright sunlight to control the unfocused light.

A long-range landscape shot shows detail at infinity. Tripod was used on this shot.

Indoor work under stage lights can be a big challenge unless you have really good high ISO performance.

Very nice out of focus rendition, even stopped down a bit.

05-20-2013, 10:30 AM   #2
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Shot at f/5.6. This lens has beautiful color and contrast, great bokeh, and is easy to focus.

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