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3. General
Focusing &
Enlarging
The size and clarity
of your projected
image is determined
by the distance of
the projector from the
projection surface
and the focusing of
the lens. The farther
the projector is from
the work surface, the larger your image will be.
As you change distance, you will have to slide
the lens in or out slowly within the lens barrel
to focus the projected image. The Super Prism
includes two lenses; the Super Lens (installed
in the projector) and the Prism Lens. The Super
Lens is a precision 3-element color-corrected
lens which provides an enlargement range up
to 2000% (20x). The additional Prism Lens
is designed to provide image reduction to
80% (4/5x). Please Note: A gap exists in the
projection range that cannot be achieved due to
the reversing of the lens –170% to 250%. You
will have to adjust the size of your original to
achieve a size in this range.
Super Lens Distance Chart
(approximate) – Measured from label above lens to
projection surface.
Range
2x
Distance
32"
(81.3cm)
Prism Lens Distance Chart
(approximate) – Measured from label above lens to
projection surface.
Range
.8
1x
Distance
24"
23"
(61cm) (58m)
Lens in reduction
position
4. Copy Area
The copy area is 7" x 7"/18 x 18 cm. This indicates
the maximum size of copy the lens can see.
This copy size, however, varies with the desired
projection size. With greater enlargement, the
lens sees less of the copy area.
5. Photograph Projection
(Use Caution!)
Photographs are commonly used in projectors;
however, a few precautions must be taken:
5x
10x
20x
57"
8.6'
16.5'
(1.4m)
(2.6m)
(5m)
5x
10x
20x
47"
89"
14'
(1.2m)
(2.3m)
(4.3m)
Lens in enlargement
position
1. Work from a copy of any valuable or important
photographs. Never use an original if it cannot
be replaced. Photographs were not intended to
handle the intense light and heat created by a
projector. Though this projector is fan-cooled and
ventilated to keep the copy cooler, it does get hot
and photographs may be adversely affected by
the heat and light.
2. Never project old photographs as they are
particularly sensitive to heat and light and they
will be damaged. Again, have a copy made.
3. To prevent photographs from curling, mount
them to a stiff backing material or put them in a
picture mat.
4. When projecting, make sure that the fan is
operating and that the cooling vents have not
been obstructed. When finished tracing the
projected photo, turn the projector off and
remove photo.
Tips & Techniques
Oversized Copy/Books
If your original is larger than what will fit onto the
copy area, or if you are working from a picture in
a book, simply remove the lid from the projector
by pulling up the cover carefully and removing
the two pivot pins. Place the copy or book on top
of the projector. The lens will still only see a 7" x
7"/18 x 18 cm portion of this copy, but placing it
on top will allow you to move it around and project
it in sections. Once you have drawn a section,
move the copy and realign the projected image
to the stopping point of the traced area. Resume
tracing and repeat as many times as necessary.
The other alternative to oversized copy is to reduce
the original on a copier, so that it fits within the 7" x
7"/18 x 18 cm copy area. Another way to make use
of oversized copy that is not manageable on top of
the projector is to place the copy face-up on your
tabletop, remove the projector lid and place the
projector upside down and on top of the copy. This
way the copy will remain rigid and your projected
image is more likely to line up properly.
Small 3-D Objects
Small 3-D objects can be projected by removing
the projector lid and placing the object on top of the
projector copy area. To ensure maximum image
clarity, place a box over the top of the object to
eliminate ambient light (light escaping from the top
of the projector). To project 3-D objects which are
larger than the 7" x 7"/18 x 18 cm copy area, take a
photograph of the object and project the print.
CaUTiOn: Do not mount aerosol cans or
pressurized objects onto the projector. The hot
surface may cause them to burst.
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