The Photominiature Author:Unknown Author Purchase of this book includes free trial access to www.million-books.com where you can read more than a million books for free. This is an OCR edition with typos. Excerpt from book: across an amateur who has for years used the focal- plane shutter for all his work, disregarding all other forms because of the all-round convenience and efficie... more »ncy of the focal-plane type. From one of these, Mr. S. I. Carpenter, whose work is well known and esteemed among New England amateurs, we have the following testimony on this point: Carpenter's Practically all my 4x5 work has been Experience made with a focal-plane shutter, and I have a thousand or more negatives, including every class of work, landscape, ships, country- fairs, clouds, in fact, every kind of photography where, as an amateur, I have found chance to use the camera. Some of my work has been done at the higher speeds obtainable with this shutter, but not a large proportion, as I am a believer in the wide usefulness of this shutter for ordinary hand-camera work where the high speeds are rarely required. To my mind, the focal-plane shutter in design, in its close proximity to the plate, its great efficiency permitting the use of small stops, thus giving depth of field, and with its covering the plate up to the moment of exposure, is far better adapted to the general run of amateur work and will give a bigger percentage of good negatives under widely varying conditions than most amateurs are aware of or will admit. The trouble with most amateurs who Narrow buy a focal-plane shutter is that they do Opening not sufficiently grasp the possibilities it offers in its larger efficiency and larger openings. They hear so much from the manufacturers of the wonderful things done with the small openings or slits and high tension that they do not stop to think or work out the far more wonderful capacities put into their hands by the larger openings. I never could understand why the makers of focal-plane shutters should...« less