Reflex lens: visible donut bokeh + animal(s)/bird(s)/insect(s)
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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).
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Friday, 22nd April, 2011 (GMT)
Friday, 29th April, 2011 – Thursday, 5th May, 2011 (GMT)
Friday, 6th May, 2011 – Thursday, 12th May, 2011 (GMT)
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