Grass Valley Focus 75 Live

 Highly Affordable 720p/1080i Switchable HD System Cameras


The new Focus 75 Live 720p/1080i user-switchable system cameras represent a new entry level into the company’s legendary imaging quality. Three Xensium-FT CMOS imagers with global shutter — similar to CCD sensors  — do not produce any of the rolling shutter artifacts seen with other CMOS-based cameras, such as sensitivity to fast camera movements with short exposure time or sensitivity to short light flashes. This makes Focus 75 Live cameras ideal for smaller live studio and field applications, including regional broadcast stations, SNG vans, small OB vans, university sports productions, staging and houses of worship.

Key Features


  • Fully digital FT CMOS imagers with global shutter operation offer absolute smear-free images under all conditions

  • Switchable between 720p and 1080i acquisition formats

  • Best possible resolution and image sharpness from oversampling the full HD progressive image

  • Highest sensitivity in combination with the best noise performance for the best results, even under difficult lighting conditions

  • Highest quality mechanical construction identical to high-end Grass Valley LDX Series broadcast camera systems


Specifications

Camera Head 

General: 


  • Temperature range: -10° to +45° C (-4° to 113° F) (operating)

  • Weight: 2.1 kg (4.6 lbs.) (including shoulder pad)

  • Dimensions: width: 170 mm, depth: 200 mm, height: 180 mm (6.7 x 7.9 x 7.1 in.)

  • Power: Supplied through the transmission adapter


Camera: 


  • Pick-up device: 3x2/3” Xensium-FT CMOS

  • Picture elements: 1920x1080

  • Smear: no vertical smear

  • Shutter: no mechanical shutter

  • Optical system: F1.4 prism

  • Lens mount: 2/3” Bayonet type

  • Optical filter wheels: 1x motorized wheel: clear, 1/4 ND, 1/16 ND, 1/64 ND

  • Electronic color correction: 3200° K, 5600° K, 7500° K, FL, 2 AWB presets, Var, continuous auto white

  • Exposure: electronic exposure down to 1/1000 sec


Video modes: 


  • Switchable-format: 1080i50/59.94 or 720p50/59.94 (user switchable)

  • Sensitivity at 2000 lux:

    • F12 (1080i50, 720p50)

    • F11 (1080i59.94, 720p59.94)



  • S/N ratio: 60 dB typical

  • Aspect ratio: 16:9

  • Modulation depth: 60% (typical) at 800 TV lines (27 MHz) in 1080i50/59.94 & 720p50/59.94 modes

  • Digital resolution: Floating point A/D-conversion with 16-bit performance and with 34-bit processing in RGB

  • Horizontal resolution: >1,000 TV lines

  • Gain selection: -6 dB to +18 dB in 3 dB steps (user-definable presets) or continuous master gain


Connectivity: 


  • Front microphone input: XLR-3 female, balanced, phantom +48V selectable

  • USB

  • Ethernet RJ-45

  • Lens connector: Hirose 12-pin

  • Viewfinder connector: 20-pin and HDMI




Control buttons: 


  • PickMe

  • Info

  • Menu control

  • Intercom production/engineering

  • Filter wheel selection

  • Standard file recall

  • 2 user assignable


Control switches: 


  • On/off

  • Color bar

  • Gain selection

  • Color temperature

  • Exposure time

  • White balance


Accessories:


  • 2” CRT viewfinder (b/w)

  • 2.7” LCD viewfinder

  • 7” LCD viewfinder

  • 7.4” OLED viewfinder

  • 9” LCD viewfinder


Focus Base Unit

Video:


  • 720p: 50/59.94 Hz

  • 1080i: 50/59.94 Hz


General:


  • Dimensions (HxWxL, approx.): 438 x 88 x 510 mm (19” rack, 2 RU) (17.2 x 3.5 x 20.1 in.)

  • Operating temperature: 0 to +45° C (+32 to +113° F)

  • Storage temperature: -20 to +70° C (-4 to +158° F)

  • Operation humidity: Max. 90% (non-condensing)

  • Shock resistance: Max. 10G (transport, Max. 2G (operating)

  • Altitude: Max. 15,420m (50,000 ft.)

  • Weight XCU 11.8 kg (26.0 lbs.)

  • Power requirement: AC 100V/240V, 47 to 63 Hz

  • Power connector: IEC type, 3-pin male

  • Power consumption: Total power (Cam + XCU) 450W max.




Connectors:

Video:


  • Teleprompter in: BNC 1x (loop-through output), (C)VBS, 1.0 Vp-p, 75Ω

  • Reference in: 1x (loop-through output), 1.0 Vp-p, 75Ω HD tri-level sync or SD black-burst

  • HD-SDI out: BNC 4x 0.8 Vp-p, 75Ω, SMPTE 292M, 1080i/720p at 50/59.94 Hz

  • HD-SDI monitoring out: BNC 1x 0.8 Vp-p, 75Ω, SMPTE 292M, 1080i/720p at 50/59.94 Hz

  • SD-SDI out: BNC 2x 0.8 Vp-p, 75Ω, SMPTE 259M ITU-R, BT.601

  • SD-SDI monitoring out: BNC 1x 0.8 Vp-p, 75Ω, SMPTE 259M ITU-R, BT.601

  • Composite Video monitoring output: BNC 1x 1.0 Vp-p, 75Ω (CVBS text with video, for viewing purposes)

  • Signaling in/out: D-sub 15-pin, male; preview, green tally (call), dry contact; yellow tally (iso), dry contact; red tally (on air), dry contact; remote audio level control (22-64 dB),

  • Control data: RJ-45 connector for C2IP (camera control)

  • Fiber (Hybrid) executions: Lemo Hybrid fiber connector acc. SMPTE 304

  • Triax executions: Fischer, ARD, Lemo-4E, Lemo-3T, BBC-Lemo, Trilock

  • External video in: 2x HD-SDI (1.5 Gb/3.0 Gb) or SD-SDI 0.8 Vp-p, 75Ω


Audio:


  • 2-ch. audio: Audio out, XLR-3 2x ; 0/+6 dBu (±1.5 dB, max. 18 dBu, 600Ω, gain max. 70 dB)

  • Frequency response: 40 Hz to 15 Hz, (+1/

  • -3 dB, 1 kHz, -10 dBu output level)

  • Distortion: Less than 0.5% (100 Hz/1 kHz, +6 dBu out, 600Ω)

  • S/N ratio: 58 dB (unweighted RMS)


Intercom:


  • Intercom in/out (2/4-wire intercom): D-sub 15-pin, female (program in, production in/out, engineering in/out), in: 0 or 6 dBu; out: 0 or 6 dBu (±2 dB, max. 12 dBu)

  • Frequency response: 150 Hz to 6 kHz (1 kHz, -10 dBu output level)

  • Distortion: Less than 2% (1 kHz, +12 dBu level)




Focus Triax Adapter  

Power requirements: Triax powered 

Operating temperatures: -10 to +45° C (-4 to +113° F) 

Storage temperatures: -25 to +70° C (-13 to +158° F) 

Weight (approx.): 2.1 kg (4.6 lbs.) 

Dimensions (L x W x H): 222.1 x 132.7 x 212.1 mm (8.7 x 5.2 x 8.4 in.) without handgrip 

Triax connection: Swivel triax connector (Fischer, ARD, LEMO-4E, LEMO-3T, BBCLEMO and TriLock types available) 

Triax cable length: 1,500m (5,000 ft.) max. with 14 mm (0.55”) cable (specified for Draka triax cable) 

Analog VF output: BNC connector 1.0 Vp-p; 75Ω 

VF output or main output: BNC connector 1.0 Vp-p; 75Ω, Selectable:


  • VF/HD-SDI

  • Main/HD-SDI

  • VF-Ext

  • TP/SD-SDI


EXT video output connector: BNC connector 1.0 Vp-p; 75Ω 

Rear microphone inputs: 2x XLR-3, balanced, +48V phantom power 

Intercom: XLR-5 with 3 channels (engineering, production and program) 

Focus Fiber Adapter  

Power requirements: Hybrid fiber powered 

Operating temperatures: -10 to +45° C (-4 to +113° F) 

Storage temperatures: -25 to +70° C (-13 to +158° F) 

Weight (approx.): 2.1 kg (4.6 lbs.) 

Dimensions (L x W x H): 222.1 x 132.7 x 212.1 mm (8.7 x 5.2 x 8.4 in.) without handgrip 

Fiber connector: Swivel hybrid fiber connector SMPTE 304M Lemo 

Cable length: 3,000 m (10,000 ft.) max. using SMPTE 311M hybrid fiber cable 

Analog VF output: BNC connector 1.0 Vp-p; 75Ω 

VF output or main output: BNC connector 1.0 Vp-p; 75Ω 

Reference input: BNC connector 0.6 Vp-p; 75Ω HD tri-level reference signal 

EXT video output connector: BNC connector 1.0 Vp-p; 75Ω 


 





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