Wide Shots
Exaggerate perspective with wide-angle lenses. The foremost feature of the 24mm, 28mm, and 35mm family of wide-angle lenses is their broad field of view. With a 28mm lens, the amount of area included in the image is 2.5x that of a 50mm lens with a 24mm lens, it is 3x. This is decidedly useful for scenery shots or for indoor photography. And since wide-angles also provide an exaggerated sense of depth, they can be used to alter the appearance of foregrounds or, when held at high or low angles,...
Auto Bellows
The Auto bellows, a high-performance accessory, forms the nucleus of Canon's close-up, macro, and copying systems. Used with lenses including a standard 50mm and other close-up accessories, it is capable of providing continuously variable magnifications within a fixed range. Also, when used with a double cable release, there is no need for manual aperture setting. Bellows length can be varied from 39mm to 175mm for magnifications ranging from 0.75 to 3.9x with a 50mm macro lens. Magnifications...
Variextension Tube MM
These extension tubes feature adjustable lengths, simplifying focusing and magnification changes during close-up or macrophotography work. The M15-25's tube length can be adjusted from 15mm to 25mm the M30-55's length can be adjusted from 30mm to 55mm. The former provides magnifications ranging from about 0.3 to 1x when used with a 50mm standard lens, and the range of magnifications provided by the M30-55 is 0.6 to 1.2x. When a close-up lens is used, magnification is 0.5 to 0.8x with the M15-25...