PHOTOGRAPHY OF OPAQUE AND TRANSPARENT OBJECTS
COPYING BASE OR TABLE
VERTICAL TABLE
require little space
the material is placed
under the camera.
HORIZONTAL TABLE
Recommended when
photographing large elements
he distance to the subject
Instruments
How to place the instument:
At the center
perpendicular to the camera
To capture
porosity
texture
uniform sheen
should be used.
a direct flash at a 45° angle
to
the object
instrument
Light
should be directed
on the working surface
extremities of the instrument
this will produce textures
without shadows
along
the sides of the
instrument.
Study models
GENERAL
Trimmed and clean.
Solid background
black
white
blue
Camera.
Use 35mm reflex camera
Lens
Use 50-100mm lens
Illumination
at 4 angles at 45°
Articulated models:
The approach
should be at
the canine level
front view
right view
left view
NON articulated models:
The approach
at the level of
the union of the 2 models
sup and inf occlusal faces
should be shown.
Transparent and radiographic images
Material
An ordinary negatoscope
with
2 or 3 fluorescent lamps
should be used
A magenta-colored gelatin filter
to
avoid a greenish-blue color in the photograph.
fl-d glass filter
a 55-70 mm macro lens
The radiographs
must be placed
on the X-ray viewer,
black tape
on cardboard paper
to mask the radiographs
camera
placed directly on
the radiographs
a copy stand or tripod.