participating in festivals. The acerbic comic vein of Ray-Jones' high-contrast monochromes, which before his premature death were popularized by Creative Camera (for which he conducted an interview with Brassaï), is mined more recently by Martin Parr in hyper-saturated colour. Technique Most kinds of portable camera are used for street photography; for example rangefinders, digital and film SLRs, and point-and-shoot cameras. The commonly used 35 mm full-frame format focal lengths of 28 mm to 50 mm, are used particularly for their angle of view and increased depth of field, with wide-angle lenses potentially permitting a candid close approach to the human subjects without their suspecting they are in the frame. However, there are no exclusions as to what might be used. Two commonly used alternative focusing techniques are zone focusing and hyperfocal distance, either to free the photographer from manual-focus; or where autofocus is too slow, or the photographer cannot be sure the focus point will fall where the photographer chooses to place their subject in a quickly changing situation; and which also facilitate shooting "from the hip" i.e. without bringing the camera up to the eye. With zone focusing, the photographer chooses to set the focus to a specific distance, knowing that a certain area in front of and beyond that point will be in focus. The photographer only has to remember to keep their subject between those set distances. The hyperfocal distance technique makes as much as possible acceptably sharp so that the photographer is freed up even further, from not having to consider the subject's distance, other than not being too close. The photographer sets the focus to a fixed point particular to the lens focal length, and the chosen aperture, and in the case of digital cameras their crop factor. Thus everything from a specific distance (that will typically be close to the camera), all the way to infinity, will be acceptably sharp. The wider the focal length of the lens (i.e. 28 mm), and the smaller the aperture it is set to (i.e. ), and with digital cameras the smaller their crop factor, the closer to the camera is the point at which starts to become acceptably sharp. Alternatively waist-level finders and the articulating screens of some digital cameras allow for composing, or adjusting focus, without bringing the camera up to the eye and drawing unwanted attention to the photographer. Anticipation plays a role where a