METHODS OF STUDY
tory were depicted (Contrib. Cushman Lab. Foram. Res., vol.
2, pt. 1, 1926, pp. 1-3) , and are rehashed here.
Different techniques have been gone for various years,
in any case, dependably trouble was experienced in getting adequate profundity
of center with the sought amplification. Quite a while back a
strategy was worked out by the essayist, and later put into unequivocal
frame. It has kept on giving amazing results. The fundamental
thought has been to get a negative of the best conceivable profundity
of concentrate paying little mind to amplification, and after that the extension
from this negative to the wanted size. Along these lines the points of interest
are kept with the profound core interest.
For the real capturing a vertical camera is utilized. The
specific camera utilized as a part of the research facility is a sort "H", Bausch
also, Lomb, with the camera parts to take 5x7 plates. Units
are utilized as a part of the plate holders for littler sizes. Any great compound
magnifying lens might be utilized. For target the Micro-Tessars
of Bausch and Lomb are utilized. The 32-millimeter proportional
center has been observed to be of the best esteem despite the fact that those
of more noteworthy central length are amazing for extensive examples. For
centering, the stomach ought to be totally open or about along these lines, however
for the genuine introduction the stop ought to be chopped down in any event
to 11 of the scale, or even to 22 to get the best conceivable sharpness
furthermore, profundity. A visual might be utilized if craved, yet much
the best results are acquired without it. With the sort "H"
camera with the howls reached out to full length, there is an amplification
of the picture on the plate to around 18 to 20 distances across.
This will give an astounding profundity. By all methods a centering
glass of some frame ought to be utilized, and each change of examples
carefully refocused. The whole result relies on upon
this purpose of exceptionally correct core interest. With the blend of a 32-
millimeter, no visual, and cries full length every one of the examples
around of around 5 millimeters might be shot without a moment's delay.
For the lighting, one of the customary Bausch and Lomb
lighting up outfits with a 6-volt, 108-watt light is utilized. This
is put in the most worthwhile position, and after that screwed
to the table to frame a changeless apparatus with a table switch.
With the magnifying instrument and camera altered, the main thing required is
to get the slide in position. The light from this unit will be
discovered exceptionally extraordinary and the shadows it throws extremely dim. In the
research center here a counter-light is utilized. This a 250-watt, 115
2, pt. 1, 1926, pp. 1-3) , and are rehashed here.
Different techniques have been gone for various years,
in any case, dependably trouble was experienced in getting adequate profundity
of center with the sought amplification. Quite a while back a
strategy was worked out by the essayist, and later put into unequivocal
frame. It has kept on giving amazing results. The fundamental
thought has been to get a negative of the best conceivable profundity
of concentrate paying little mind to amplification, and after that the extension
from this negative to the wanted size. Along these lines the points of interest
are kept with the profound core interest.
For the real capturing a vertical camera is utilized. The
specific camera utilized as a part of the research facility is a sort "H", Bausch
also, Lomb, with the camera parts to take 5x7 plates. Units
are utilized as a part of the plate holders for littler sizes. Any great compound
magnifying lens might be utilized. For target the Micro-Tessars
of Bausch and Lomb are utilized. The 32-millimeter proportional
center has been observed to be of the best esteem despite the fact that those
of more noteworthy central length are amazing for extensive examples. For
centering, the stomach ought to be totally open or about along these lines, however
for the genuine introduction the stop ought to be chopped down in any event
to 11 of the scale, or even to 22 to get the best conceivable sharpness
furthermore, profundity. A visual might be utilized if craved, yet much
the best results are acquired without it. With the sort "H"
camera with the howls reached out to full length, there is an amplification
of the picture on the plate to around 18 to 20 distances across.
This will give an astounding profundity. By all methods a centering
glass of some frame ought to be utilized, and each change of examples
carefully refocused. The whole result relies on upon
this purpose of exceptionally correct core interest. With the blend of a 32-
millimeter, no visual, and cries full length every one of the examples
around of around 5 millimeters might be shot without a moment's delay.
For the lighting, one of the customary Bausch and Lomb
lighting up outfits with a 6-volt, 108-watt light is utilized. This
is put in the most worthwhile position, and after that screwed
to the table to frame a changeless apparatus with a table switch.
With the magnifying instrument and camera altered, the main thing required is
to get the slide in position. The light from this unit will be
discovered exceptionally extraordinary and the shadows it throws extremely dim. In the
research center here a counter-light is utilized. This a 250-watt, 115
