Tag: ud glass
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Lens positioning article: EF 70-300mm f/4-5.6L IS USM
by Rudy Winston
The new EF 70-300mm f/4-5.6L IS USM is perfect for the user who's looking to step into a superb-quality, long-range zoom, with professional-grade build quality and durability - but with reasonable size, weight and cost.
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John Paul Caponigro's "Correcting Chromatic Aberration"
by John Paul Caponigro
Chromatic aberrations can be caused by two separate sources: your camera’s sensor, or by your camera lens itself. In some cases, they can combine to generate noticeable color fringing upon close inspection.
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Monitor Calibration
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