File:Anthony's photographic bulletin for (1896) (14778739951).jpg

Identifier: anthonysphotogr1896newy (find matches)
Title: Anthony's photographic bulletin for ..
Year: 1870 (1870s)
Authors:
Subjects: Photography
Publisher: New York : E. & H.T. Anthony & Co.
Contributing Library: University of Illinois Urbana-Champaign
Digitizing Sponsor: University of Illinois Urbana-Champaign

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:
ctilinear lenses of longer focus. ral years I used an i8-inch rapid rectilinear lens, but to in the necessary sharpness on Large plates it was always necessary to put on a lens of much longer focus. The annoyance of changing :id undertaking large work with one you are not accustomed egularly is not to he overlooked. ■ aid always 1 lens capable of executing the most Dnt unce them far superior in several respects to any• he purp< 1 proper interest in his work should, for a lew aild undoubtedly be< ome dissatisfied with his good old Antiquity, which has done him goodservice, and satisfied many operators before him. Some persons, in considering the purchase of a lens, reckon a prismin their calculations as an absolute necessity, and, where the amount to
Text Appearing After Image:
A Portrait Made with Levys New Four-Line Screen. be expended is limited, the size of the lens selected is sometimes scaleddown to an undesirable extent, to bring the total within the limit. While there is no doubt of the desirability of a prism, much of theprejudice against the mirror is due to a lack of knowledge on thesubject. 26 The principal objection to an unvarnished mirror is. its liability totarnish, and. unless varnished in the most careful manner, the sharpnesswill be seriously interfered with. A mirror protected with varnish, and placed in the camera (in aprojecting box), which is a far more desirable position than before thelens, should last a year or two. The expense of resilvering is a mere trifle. I hope to prepare, in time for the next issue, some illustrationsdemonstrating the practical superiority of the anastigmats. J. H. Weeks. <<-^. A NEW HALF-TONE SCREEN. THE portrait of Mr. Levy, made with a new four-line screen, whichwe publish this month, will be studied

Note About Images