1
L-600-12/35
1
INSTRUCTION MANUAL
L-600-12/35 LENS UNIT
Thank you for purchasing the HOZAN L-600-12/35 LENS UNIT. With proper care and
handling, this fine instrument will provide years of trouble-free operation. Please read this
entire instruction manual carefully before attempting to place this instrument in service.
Please keep this instruction manual available for reference.
These symbols are used throughout the instruction manual to alert the user to potential
safety hazards as follows :
Even if the instructions do not have mark, there are some possibilities for a
serious situation. Follow the instructions.
*Please use for adapting to the form of some C mount cameras. Refer to page 2.
Warning … Notice when incorrect handling could cause the user's death or serious
injury.
Caution … Notice when incorrect handling could cause injury to the user or material
damage.
L-600-12 L-600-35
Working distance
Mount
Weight
Dimensions
Accessory
100mm
250mm
C mount
80g 55g
30mm
47.5mm
29mm
38.5mm
C mount ring *
Focus ring
Focus ring set
screw
Aperture ring
Aperture ring
set screw
L-600-12
L-600-35
Identification of parts
Specifications
Warning and caution symbols
Caution
8
19.08
This interchangeable lens is for cameras which have C mounts. Do not use for any
other purpose.
1. Avoid physical shock to the lens. This could cause malfunction to the lens.
2. Do not expose this lens to direct sunlight while combining with a camera.
Such exposure could damage the image sensor.
Precautions
Operation
Caution
Remove the caps of the lens, then
attach to the Hozan’s C mount camera.
1
Locate the object from the lens top;
100 mm or more for L-600-12,
250 mm or more for L-600-35.
2
Focus using the focus ring.
* There are C mount cameras in the market mounts of which are made into C
mounts being converted by C mount rings. They could cause some
disagreement between the camera and the lens. In case of this, please use
after interchange the original C mount ring of the camera into the C mount
ring accompanied with this product.
3
Adjust the aperture using the aperture ring to
obtain required quantity of light and depth
of field (area where it’s in focus) .
4
Secure the each ring set screw after focusing and adjusting the iris.
Regarding magnification
The distance between the object and the lens can be held freely. When they are
close, it is suitable for inspecting fine sections because of high magnification.
While they are distant, it is suitable for inspecting wider fields because of low
magnification. Please locate corresponding inspection scenes.
Regarding aperture and f-number
Brightness of the image and depth of field can be changed by adjusting the
aperture. If select smaller f-number, the image becomes bright but depth of field
becomes shallow.
If select larger f-number, depth of field becomes deep but the image becomes
dark.
Hints
Indication on the lens barrel
5
Focus ring
(Number: working distance)
Aperture ring
(Number: f-number)
Close Working distance Distant
Bright Brightness Dark
Shallow Depth of field Deep
L-600-12 L-600-35
Aperture F1.4 to 16 F2 to 22
1-2-12 Saiwaicho, Naniwa-ku, Osaka 556-0021, Japan
Tel : +81-6-6567-3111 Fax : +81-6-6562-0024
/
