greater the length of exposure to be on account of its increased focal length, given. it crowds out of the picture objects in- cluded with the other (shorter focus) lens. Gain in sharpness means loss of speed. Thus it will be seen that, in order to de- Having a longer focus, the larger lens velop… … structed for him which shal cover, say, Photo by A PORTRAIT STUDY. an 8x10 plate for the most instantaneous L. C. McClure. work in the manner above stated, the op- Awarded Special Diploma in OUTDOOR LIFE'S December Photographic Compe tition. tician would simply furnish a regular 11x14 lens, which…
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