Black and White in Photoshop CS4 and Photoshop Lightroom X. Scanning Capture: an Overview Scanners have truly become an indispensable bridge between the traditional photographic medium and the new digital world, making it possible to convert our film, slides, and fine art prints into the digital format. Scanning devices have become far more enticing with the astounding technological advancements achieved over the last few years, which have made scanners more affordable and available to the average photographer. Just like a digital camera, most scanners rely on charge-coupling devices (CCDs) to capture and translate images from film, slides, or prints into the digital format. How to Set Up for Optimal Scanning While there are far too many scanners and software packages on the market to go any great detail with specific products, there are a few basic rules on how to achieve the highest quality black and white output with whatever hardware you prefer.