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What are the primary features and functions of the SAMSUNG SLA-550DV lens?
The SAMSUNG SLA-550DV is a CCTV Varifocal Lens designed to provide sharp, crisp images and exposure accuracy even under adverse lighting conditions.
The lens embeds an ND filter and features an auto iris function powered by a Galvanometer. It includes self-focus and mount control functions and operates a DC iris function through the lens and its attached cable.
The iris auto-close function is designed to protect imagers and optical filters from extreme high lights when the power is turned off. When the power is off, the iris state is locked.
How do I assemble and mount the SAMSUNG SLA-550DV lens to a CS mount camera?
The SAMSUNG SLA-550DV utilizes a CS mount type and should be used with a camera set to a 12.5mm FLANGE-BACK setting. Follow these steps for assembly:
1) Turn the lens clockwise to lock it onto the camera part mount screw. When the lens locks successfully, it can turn around in a SLIP state.
2) Turn the lens clockwise until it is stopped by the stopper, even if it is almost in the SLIP state.
3) From that point, turn the lens counter-clockwise to rotate it in the SLIP state by up to 340 degrees. This allows you to adjust the lens to your desired position.
4) Connect the lens cable to the appropriate camera connector.
5) Use the focus lever and zoom lever to adjust the zoom factor and focus. Finally, fix the lens with the camera.
What is the wiring configuration for the SAMSUNG SLA-550DV lens cable?
The SAMSUNG SLA-550DV uses a 4-wire cable with the following pin assignments:
| Pin | Color | Function |
| 1 | Brown | Control(-) |
| 2 | Red | Control(+) |
| 3 | Yellow | Drive (+) |
| 4 | Orange | Drive (-) |
What are the technical specifications for the SAMSUNG SLA-550DV?
The following specifications apply to the SAMSUNG SLA-550DV:
| Model | SAMSUNG SLA-550DV |
| Sensor Size | 1/3 inch |
| Focal Length | 5 to 50mm |
| Max. Aperture Ratio | 1:1.3 |
| Iris Type | DC |
| Iris Operation | F1.3 to 360 |
| Focus Operation | 0.8m to Infinity |
| Zoom Operation | 10X |
| Mount | CS-Mount |
| Flange Back Length | 12.5mm (0.49 inch) |
| Back Focal Length | 10.5 to 10.6mm (0.41 to 0.42 inch) |
| Effective Lens Aperture (Front) | 29.5mm (1.16 inch) |
| Effective Lens Aperture (Rear) | 8.7mm (0.34 inch) |
| Weight | 100g (0.22lb) |
| Dimensions (W x H x D) | 45mm x 56.2mm x 57.8mm |
What is the angle of view provided by the SAMSUNG SLA-550DV?
The SAMSUNG SLA-550DV offers the following angles of view:
Diagonal: 64.0 degrees to 6.9 degrees
Horizontal: 51.8 degrees to 5.6 degrees
Vertical: 39.2 degrees to 4.3 degrees
What are the main components located on the SAMSUNG SLA-550DV lens body?
The external parts of the SAMSUNG SLA-550DV include:
Focus Lever: Used to adjust the sharpness of the image.
Zoom Lever: Used to adjust the zoom factor (10X magnification).
Auto IRIS Jack: Connection point for the iris control.
4 WIRE CABLE: The cable used to connect the lens to the camera’s internal circuitry.
Hood: The front protective section of the lens.
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