Reflex lens: visible donut bokeh + animal(s)/bird(s)/insect(s)
Challenge has finished
1. Shots must be shooted by a reflex lens. (catadioptric lens / mirror lens) eg. Rubinar 300mm F4.5, Rubinar 500mm F5.6 ` 2. Donut bokeh must be clearly visible. (annular shape of defocused areas of the image caused by the shape of the entrance pupil.) ` 3. Animal(s)/bird(s)/insect(s) must be the main object(s).
Friday, 22nd April, 2011 (GMT)
Friday, 29th April, 2011 – Thursday, 5th May, 2011 (GMT)
Friday, 6th May, 2011 – Thursday, 12th May, 2011 (GMT)
Capture date rules:
Maximum number of entries per user:
Maximum number of entries in challenge:
Tiny, fast moving bird that spends the winter in Abu Dhabi to mate and raise the young, then flies back to central Africa. This is a juvenile bird that has just moulted.
|Submitted:||Monday, 2nd May, 2011 13:47 (GMT)|
|Taken:||Thursday, 27th December, 2007|
|Focal length:||500 mm|
|Shutter speed:||1/320 sec|
|Notes:||Lens is fixed aperture at F8. Very dark and difficult to focus. Not for the easily discouraged|
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