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Hitachi Kokusai Electric Inc
Tokyo Japan
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HV-D27A/HV-D37A
Color Camera
Tentative
Specification
(
13/17
)
8
．
Major accessories
1) Camera control box RC-Z3
2) RS-232C level converter JU-C20, JU-Z2
9 when using lens
1) Projection (T) from flange face to rear of lens
Observe the lens mount size limit indicated in the figure. If
too large, the lens and camera can be damaged
Lens flange face
T: HV-D27A: Less than 3.8 mm
HV-D37A: Less than 4.3 mm
2) Selecting lens
Overall camera lens make performance is largely affected by the lens. It is recommended to
check the following points beforehand.
• Ghosting can occur by using a lens with a large image area (e.g. 2/3 or 1/2 inch for HV-D37A).
Use a 1/2 inch lens for HV-D27A and 1/3 inch lens for HV-D37A.
• Vertical color shading can occur if the lens has a short exit pupil length.
• If the lens is used at nearly fully open iris, resolution is sacrificed, while such problems as
shading and flare can detract from the image quality.