Skaarhoj B4 Link Lens Control per BMD Cameras via SDI

SKAAR_SDI-B4 Link

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Skaarhoj B4 Link Lens Control è una interfaccia per il Controllo di obiettivi B4 tramite la scheda BlackMagic 3G-SDI Arduino, questo dispositivo offre il controllo del diaframma dell'obiettivo 2/3" B4 utilizzando la scheda Arduino 3G-SDI di BlackMagic. E' compatibile con tutte le BlackMagic URSA Mini e la serie BlackMagic Studio Camera che utilizza il software ATEM CCU.

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€ 669,78
€ 549,00 + IVA

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The SDI-B4 Link is developed to get easy control of iris on an analog B4 lens for your URSA Mini and Studio Camera series from BlackMagic Design. Route the return SDI signal from your ATEM switcher between the SDI-B4 Link and your camera, to extract the iris information. The SDI-B4 Link is an independent unit, and requires no further configuration, than selecting the camera number you want to control via the selector switch. The SDI-B4 Link inherits all of the same features as our ATEM-B4 Link Micro but will work independently.

 
Features how does it work 

Principle sketch for setup with the SDI-B4 Link

 

Features more details 

Control iris on analog B4 lens
Hirose 12-pin connector
Preview/program tally on small LED
Set camera number via selector switch
Preview tally from 3-pin phoenix connector: Ground, IO, 12V (VIN)
Test mode for iris and preview tally
Iris lens calibration feature
Completely self contained unit - runs independently
Durable enclosure with blue anodized aluminum plates
Compatible with Studio Camera series and URSA Mini
Dimensions: 12.7 x 8 x 2.9 cm
Weight: 0.260 kg

 
Selector Switch functions and explanation
 

The selector switch determines which camera number the SDI-B4 Link control. You can change the switch selector using a small screw driver.

Selector switch 0 = Deactivated
Selector switch 1-C = Camera 1-12
Selector switch D = Test mode (iris close and open fully while the Tally blink)
Selector switch E = Reset calibration to factory default
Selector switch F = Calibration mode (will determine when iris is fully closed/open and save settings, given the factory default values, are not approciate for your particular lens)

 

Details check compatibility

The Hirose 12pin connector supports most B4 lenses, but it’s your own responsibility to check that your particular lens has the features described below. Two example pin outs are given to the left from manuals for cameras and lenses, so you should be able to look up and check similar information for your lens.

The SKAARHOJ SDI-B4 Link will:

Pass on the DC 12V input to the lens with GND going to pin 3 and 12V going to pin 6
Adjust the lens iris with an analog value between 2.5 and 7.5V going out on pin 5 (output to lens)
Read back the iris position as an analog value from pin 7 (input from lens)
Enable iris adjustment from the B4 Link box by pulling pin 6 to 5V through a 10 K resistor. To turn of iris adjustment, it will short pin 6 to ground
Notice: The lens may have a “Manual / Auto” button which must typically be in Manual for this to work. In auto you may find that the lens always adjusts the iris to whatever value it receives from the B4 link box

Please be aware you might expect vignetting depending on your lens, the sensor size and the type of mount adaptor used. SKAARHOJ takes no responsibility in this regard. Check with your camera/lens supplier.

 

Camera Support
The BlacMagic 3G-SDI Arduino Shield supports the following formats: 720p50, 720p59.94, 720p60, 1080i50, 1080i59.94, 1080i60, 1080p23.98, 1080p24, 1080p25, 1080p29.97, 1080p30, 1080p50, 1080p59.94 and 1080p60.

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Skaarhoj B4 Link Lens Control per BMD Cameras via SDI

Skaarhoj B4 Link Lens Control per BMD Cameras via SDI

Skaarhoj B4 Link Lens Control è una interfaccia per il Controllo di obiettivi B4 tramite la scheda BlackMagic 3G-SDI Arduino, questo dispositivo offre il controllo del diaframma dell'obiettivo 2/3" B4 utilizzando la scheda Arduino 3G-SDI di BlackMagic. E' compatibile con tutte le BlackMagic URSA Mini e la serie BlackMagic Studio Camera che utilizza il software ATEM CCU.

Scrivi una recensione

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