<< Getting back to digital: I have a problem with the camera. Is it correct that an image created by a CCD has a wider exposure latitude than film ? If so, why do highlights seem to blow out in outdoor shots on an overcast day if one exposes for the darker greeneries ? There is flare where the dark foliage meet the bright sky. Is it a limitation of the lens, or limitation of the digital system? >> Swapan,
Digital SLRs have a limited exposure lattitude, more like colour reversal film than negative. And because the sensor response lacks an elegant shoulder, highlights are very easily burnt out. Digital sensors also suffer from 'blooming', where excessive charge from highly illuminated cells spills over into adjacent cells. If the sky is overexposed, this, rather than flare, could be what you could be seeing "where the dark foliage meets the bright sky". Judicious underexposure will preserve the highlights and detail can often be pulled out of shadows. This is best done with raw files rather than camera converted JPEGs. I also shoot a lot of bracketed exposures, and merge in Photoshop, to achieve both highlight and shadow detail. Tim Mimpriss =============================================================== GO TO http://www.prodig.org for ~ GUIDELINES ~ un/SUBSCRIBING ~ ITEMS for SALE
