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GB Cup
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Members’ Images for the Website
For information on how we use your images, please read the “How we use your pictures on the OPS website”, which is also found on the “Infobank” link on the main menu. Front Page Panoramic The new-look website features a large panoramic style image on the front page. If you would like to submit images for…
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Diffraction Blur – in practice
How it affects your camera: Diffraction blur occurs naturally in every camera no matter how expensive the lens. How much blurring of the image depends on the aperture, specifically the f-number. It is not affected by the focal length of the lens; a 100mm lens at f/16 will produce the same “size” blur on the…
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Triptychs, Diptychs and Polyptychs Challenge
Mike did an excellent introduction on Thursday to our new panel making challenge. Here are some reminders: Definitions A triptych (don’t forget it is pronounced “triptik” without a “ch” at the end) is a set of three associated artistic works intended to be appreciated together. A diptych would be two images in a set, working…
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