Friday, December 1, 2006
IR Possibilities • Flying With Photo Gear • LCD Viewing • Image Compatibility • Brightness/Contrast Methodology • Sensors & Wide-Angles
Q) Are the Adobe programs Photoshop Elements and Photoshop CS2 compatible? If I were to submit to an editor a CD containing a selection of images and metadata put together with Elements, would the editor be able to open the CD with CS2?
Q) I'm switching to digital and have a full range of compatible lenses, but I need to add a wide-angle lens, and I'd like to control my cost. In this context, I'm wondering if I should choose a camera with a full-frame sensor or a less expensive camera with an APS-C sensor?
Porto Alegre, Brazil
A) If you want to use your existing lenses, your camera-buying decision will be dictated to a large extent by the system you've been using. Currently, the only full-frame digital cameras are from Canon. These offer potentially superior image quality due to both the number and size of the pixels on the sensor. Many pixels packed together on a small sensor can generate increased noise and give a less satisfactory image at higher ISO settings.
There are excellent wide-angle lenses available for both sizes of sensors, however. A wide-angle lens that worked satisfactorily on film will continue to give the same angle of view with a full-frame sensor. New wide-angle lenses have been developed for the smaller sensors from all of the camera manufacturers and independent lens manufacturers. These wide-angles are formulated to cover only the smaller sensor and can't be used on full-frame cameras. It would seem that all of the manufacturers of digital cameras have a considerable investment in the smaller sensors and will most likely continue to sell such cameras.
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