Early Work In Photography
A Text-book For Beginners
Forfatter: W. Ethelbert Henry C. E., H. Snowden Ward
År: 1900
Forlag: Dawbarn and Ward, Limited
Sted: London
Udgave: 2
Sider: 103
UDK: IB 77.02/05 Hen
Illustrated with an actual negative and positive, and numerous
explanatory diagrams throughout the text
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22
Early Work in Photography.
having an opening of the desired shape. Upon this mask
we next place the sensitive paper (face downwards) close the
printing frame, and expose to the light in the usual way.
The black part of the mask, it will be readily understood,
prevents any light having access to those parts of the paper
covered by it. Hence it follows that only that part of the
negative, visible through the central opening, possesses the
power of transmitting light to the paper with which it is
covered. The result will be a print, having a centre, of an
oval (or other) shape, surrounded by clear white margins.
The student will find much amusement in cutting out
various shaped designs, to suit his own taste, and trying
their effect in printing from various parts of the negative.
The best paper for tliis purpose is known as black needle-
paper, and the designs can be easily made if the paper be
supported upon a sheet of glass and the cutting done with a
sharp penknife.
Another style of print which is popular among the general
public, although personally we cannot confess to much par-
tiality for it, is that known as a “vignette.” . A vignette
usually has the main portion of the subject printed to full
depth, while the edges are graded off until they merge into
plain paper devoid of any impression.
This effect is due to a retarded action of light brought
about by covering the negative with an opaque shield pierced
a with an opening of any de
2 sired shape. Appliances,
CW known in the trade as "vig-
netters,” are sold especially
_for the purpose of producing
such prints, and some of
•them are admirable; but
Pigiteller. the student may easily try
an experiment invignetting if he will follow our instruc-
tions. We do not advise a beginner to encumber himself
with such apparatus until he has made a few experimental
trials with the make-shifts we are going to suggest ; later
on he may find it an advantage, especially if he adopts
photography as a business. , . ,..
Still dealing with the same sized negative and printing
frame as in the former experiments, we will now take a
piece of cardboard, the dimensions of which are equal to the
extreme outside size of the printing frame. A liole must
now be made in the centre of this card the shape being
governed by individual taste—but for our experiment let it
be an oval The size of the hole must be less than will cover
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