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ADJUSTING LENS continued
USING CS-MOUNT OR C-MOUNT LENSES
1. Fully open the aperture and set the focus ring to
(infinity). In the case of an auto-iris lens only, shoot a
comparatively dark object so that the aperture is fully
open.
2. Loosen the two back-focus screws with a hex wrench,
and turn the lens mount to focus.
3. After adjusting the back-focus, tighten the back-focus
screw.
1. Fully open the aperture and set the lens to the
maximum telephoto position, then turn the focus ring
to focus. In the case of an auto-lens only, shoot a
comparatively dark object so that aperture is fully
open.
2. Set the lens to its maximum wide-angle position.
3. Loosen the two back-focus screws with a hex wrench
and turn the lens mount to focus. After adjusting the
back-focus, tighten the back-focus screw.
4. Repeat steps 1 through 3 until the difference between
focusing position “Tele” and “Wide” becomes smallest.
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- 11 -
SPECIFICATIONS continued
The camera can use C-mount lenses when the C-mount
adapter (standard accessory) is installed.
when removed, CS-mount lenses can also be used.
Use a suitable lens for the required area of view. The
area of view for different focal lengths can be obtained
using the follwing formula.
Mounted Lens
1/2 Lens
1/3 Lens
A
4.8
3.6
B
6.4
4.8
Height of the area of view(m) =
A x Distance between camera and object (m)
Focal length of lens(mm)
Width of the area of view(m) =
B x Distance between camera and object (m)
Focal length of lens(mm)
NOTE :
“L” in the illustration below should be as shown in the
following table. If “L” exceeds the value in the table, it may
damage the inside of the camera; and correct mountng
may be impossible.
Be sure not to attach the C-mount adapter when using a
CS-mount lens
Lenses designed for color video cameras are
recommended. Lenses designed for B/W cameras may
have inferior color reproduction and picture quality. In
particular, they are not suitable for use outdoors or in very
bright conditions.
Adjusting
Fixed-focus
Lens
Adjusting
Zoom Lens