File:The American annual of photography (1919) (14595796940).jpg

Identifier: americanannualof3334newy (find matches)
Title: The American annual of photography
Year: 1919 (1910s)
Authors:
Subjects: Photography
Publisher: New York : Tennant and Ward
Contributing Library: Harold B. Lee Library
Digitizing Sponsor: Brigham Young University

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
e the re-quired purpose. So much for the first reason. The second, as anyone mayreadily satisfy himself, is that the small brilliant finder hasa singular degree of latitude; that is to say, it may be raisedor lowered about an inch without any noticeable alteration inthe view. Hence, a slight variation in the position of therising front may cause no change whatever in the finder. A third type of finder has of late years become very popular.This is the concave-lens direct-vision finder, consisting of anegative lens trimmed to rectangular shape and set upright onthe top of the camera, or at the side, a small sight like that ofa rifle being placed behind it to indicate the level of the eye.This pattern of finder gives an even clearer and brighterpicture than the brilliant kind, also the image is not laterallyinverted and is usually larger. The fact that the camera hasto be held to the eye level is another advantage, for this ismore convenient and commonly gives a better—or, at least, 80
Text Appearing After Image:
PIETER MISER. G. W. HARTING. 8i more normal—point of view. Such a finder, in addition, iseasily kept clean. As in the case of the brilliant finder, the view changes un-less the eye is kept central, which is readily done by making thesmall boss at the top of the sight register with the junction ofthe cross-lines ruled on the lens. A drawback not met within the brilliant finder, however, is that the amount of pictureincluded increases if the eye is brought nearer the concavelens, or diminishes as it is moved further away. One mustbe careful, therefore, having ascertained the correct positionby comparing the image in the finder with that on the focusingscreen, or by exposing and developing a plate or film if thereis no provision for focusing, always to place the eye at just theright distance. The boss at the top of the sight, by the way, is a nuisance,especially if the head has to be held close to it. Besides help-ing to hide the middle of the picture, it has a knack, if theworker forg

Note About Images