The first problem we need to look at is, how close the lens will focus. Lenses have a minimum focus distance which varies considerably from lens to lens, some longer zoom lenses have a 'macro' setting and will focus quite close but most lenses will not focus close enough to take the picture on the right.


submitted: 5 years and 3463 days ago

Tags:close-upsdistancesfocuslenses

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Pictures don't just come out looking right. If you look at some of the pictures you especially like, you will notice that the way the picture was composed probably has a lot to do with it. What we mean by composition is how you place your subject(s) on the blank canvas that's your 4x6 (or 5x7 or 8x10).


submitted: 5 years and 3463 days ago

Tags:canvascompositionssubjects

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Tilt shift lenses enable photographers to transcend the normal restrictions of depth of field and perspective. Many of the optical tricks these lenses permit could not otherwise be reproduced digitally—making them a must for certain landscape, architectural and product photography. The first part of this tutorial addresses the shift feature, and focuses on its use for in digital SLR cameras for perspective control and panoramas. The second part focuses on using tilt shift lenses to control depth of field.


submitted: 5 years and 3462 days ago

Tags:controlslensesmovementsperspectivesshifttilting

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Sigma makes some interesting lenses for digital SLR cameras. They also produce some of their own digital SLR bodies with a class-unto-itself new type of sensor. Sigma is mainly known as a third-party lens manufacturer, producing lenses in mounts compatible with the major brands: Canon, Nikon, Pentax, Sony, Olympus. They offer high-quality glass in many of the popular focal lengths which, in many cases, are at more affordable prices than the specific manufacturer’s offerings.
This article covers every current Sigma product.


submitted: 5 years and 3462 days ago

Tags:camerasdigitalslensessigmaslr

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