DOI Heft:
No. 14 (May, 1894)
DOI Artikel:Lambert, Ernst: On the use of a single lens in portraiture, with illustrations
DOI Seite / Zitierlink: https://doi.org/10.11588/diglit.17190#0071
The Use of a Single Lens in Portraittire
there is none of that disagreeable loss of struc- enough for portrait work, and will be found to
ture in the parts most out of focus, so noticeable slow the lens and give much too sharp definition
in pictures taken with other forms of lens. In for our purpose. The optician of whom such a
short, this form of instrument seems to combine lens as described is ordered, will be likely to tell
all the good qualities of other forms and add some the student that it will not work at all with so large
"SPRING." A STUDY FROM LIFE BY ERNST LAMBERT
distinctive to itself. Its definition is distributed
over a deeper field, its sharp rendering is not so
sharp, and its "out of focus" rendering less
blurred than in that of any other form of lens.
In deciding to employ an instrument of this
kind a suggestion to the student may be of value.
For 12-inch plates the lens should be about
3 inches in diameter, and have a focal length of
about 18 inches, with an "iris" diaphragm, which
will open to the full size of the lens. It is specially
needful that the instrument be made with a much
larger diaphragm than that usually supplied in
single landscape lens. These are never large
an aperture. In this case no notice should be
taken of him, as he speaks optically and does not
understand the artistic side of the question. It
will be several years before the makers of lens see
what photographers of artistic taste require, and
then we shall have the market overflowing with
this kind of instrument. Many good portraits
have been taken with the back lens of good rapid
rectilinear combinations. It may be of interest to
explain that some of the illustrations to this article
were taken with the front lens of a very old
Voigtlander Euryscope.
It is extremely hard to convince the general run
57
there is none of that disagreeable loss of struc- enough for portrait work, and will be found to
ture in the parts most out of focus, so noticeable slow the lens and give much too sharp definition
in pictures taken with other forms of lens. In for our purpose. The optician of whom such a
short, this form of instrument seems to combine lens as described is ordered, will be likely to tell
all the good qualities of other forms and add some the student that it will not work at all with so large
"SPRING." A STUDY FROM LIFE BY ERNST LAMBERT
distinctive to itself. Its definition is distributed
over a deeper field, its sharp rendering is not so
sharp, and its "out of focus" rendering less
blurred than in that of any other form of lens.
In deciding to employ an instrument of this
kind a suggestion to the student may be of value.
For 12-inch plates the lens should be about
3 inches in diameter, and have a focal length of
about 18 inches, with an "iris" diaphragm, which
will open to the full size of the lens. It is specially
needful that the instrument be made with a much
larger diaphragm than that usually supplied in
single landscape lens. These are never large
an aperture. In this case no notice should be
taken of him, as he speaks optically and does not
understand the artistic side of the question. It
will be several years before the makers of lens see
what photographers of artistic taste require, and
then we shall have the market overflowing with
this kind of instrument. Many good portraits
have been taken with the back lens of good rapid
rectilinear combinations. It may be of interest to
explain that some of the illustrations to this article
were taken with the front lens of a very old
Voigtlander Euryscope.
It is extremely hard to convince the general run
57