Showcase Olympus 40-150mm f/4-5.6

kerodean

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Rainbow Lorikeet on a wire

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Kookaburra eating a bug for lunch
 

kerodean

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Walked outside with my 40-150 and just happened to look up and see this Juvenile White Bellied Sea Eagle fly overhead
 

Brecht

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ac12

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I am always suspicious about having bad copies of lenses, since I've had some troubles in the past, but I think this is acceptably sharp for 150 mm...

by Brecht Vergult, on Flickr
Looks good, but remember that the longer the shooting distance, the more "stuff" in the air to degrade the image.
The change in color is one effect of the air affecting the image.
 

Brecht

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Looks good, but remember that the longer the shooting distance, the more "stuff" in the air to degrade the image.
The change in color is one effect of the air affecting the image.
Yeah, I know that things can get quite hazy at that focal length.
 

ac12

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Yeah, I know that things can get quite hazy at that focal length.
No, it is not the FL, it is the distance.
If you shoot a tennis game at 30 meters, there is much less "stuff" in the air between you and the subject, than a mountain at 5 km.

Heat sources is another problem.
I've seen the air "shimmer" above a heat source, like a smoke stack, or a roof or road on a hot day.
 

koei

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EM1 mark2
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ssv1212

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scott rawson

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scott rawson

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