ARRI DIGITAL: Camera Specs

ARRI DIGITAL: ALEXA Camera Specs PRINT PDF

ALEXA
Camera Type	35 format flm-style digital camera
Sensor Type	ALEV III CMOS
Frame Rate	0.75 - 60 fps forward only, adjustable with 1/1000 precision.
Aperture	Mode	Dimensions	Aspect Ratio	Pixels
	Recording ARRIRAW	25.344x14.256 mm / 0.9978x0.5613"	16:9	2880 x 1620
	Recording HD	23.760x13.365 mm / 0.9354x0.5262"	16:9	2880 x 1620
	Monitoring/EVF	26.136x14.702 mm / 1.0290x0.5788"	16:9	3168 x 1782
Recording	Internal to SxS memory cards	1080p Apple ProRes 422 (HQ) or Apple ProRes 4444 QuickTime® HD video with embedded 2-ch audio and ancillary metadata xml-fle.
	External via HD-SDI REC OUT	ARRIRAW or 1080PsF 4:4:4 rgB/4:2:2 YCbCr HD video. Recording frame rates other than HD standard 23.976, 24, 25, 29.97, 30, 50, 59.94,60 PsF requires a recorder with Variframe support. Recording ARRIRAW requires an ARRIRAW T-Link certifed recorder.
Sound	Under 20 dB(A) when recording at temperatures <25 degrees Celsius (77 degrees Fahrenheit) to SxS cards with lens, measured 1 m/3 feet from the image plane
Power	12 or 24 V DC
Dimensions	Length	332 mm/12.95" - body with PL mount
	Width	153mm/6.02" - body only
	Height	158mm/6.22" - body only
Lens	54 mm PL mount, adjusted for Super 35.
Shutter	Electronic shutter, adjustable from 5 to 359° with 1/10th precision.
Viewfinder	Electronic color viewfinder with a 1280 x 720 pixel F-LCOS micro display and ARRI LED backlight. Comes with an eyepiece diopter. Optional Viewfinder Extension Bracket VEB-1 and long EVF cable. High-speed interface to camera for very low latency.
Viewing Screen	Superimposed format markers (customizable), peripheral image area and camera status. Pixel to pixel display for critical focusing. False color display for easy exposure check. Image can be fipped for use on left or right side of camera.
Connections	1x monitoring out HD-SDI 1.5g (MON OUT)		1x time code (TC)
	1x return signal/sync in HD-SDI 1.5g (RET/SYNC IN)		1x headphone jack
	1x accessory interface (EXT)		1x audio in XLR 5-pin (AUDIO IN)
	2x recording out HD-SDI 3g/1.5g switchable (REC OUT)		1x viewfinder interface (EVF)
	1x 24 V power in (BAT)		1x powered network (NET)
	2x 24 V accessory power (RS)		1x memory card module
	1x 12 V accessory power
Accessories	ALEXA has integrated clamps for 15mm rods. ALEXA is compatible to a wide range of production and lightweight matte boxes (15 or 19 mm system), follow focus units, lens control system (LCS) components, wireless remote system (WRS) components, electronic accessories and support systems. Specifically for ALEXA: 19mm rod bridge plate (BP-12), bridge plate adapter (BPA-1) for mounting on standard bridge plates (BP-3/5/8/9), wedge adapter (WA-1) for mounting on the Digi-Cine quick-release base plate (QR-HD1), shoulder pad (SP-3), ALEXA Ethernet Adapter (AEA-1), leveling block (LB-1), viewfinder interface cables, viewfinder mounting bracket (VMB-1), viewfinder extension bracket (VEB-1), electronic viewfinder (EVF-1), ALEXA low mode support set (LMS-3), center camera handle (CCH-1), handle extension block (HEB-2), side camera handle (SCH-1), battery adapter top for gold Mount (BAT-G), battery adapter top for V Mount (BAT-V), battery adapter back for gold Mount (BAB-G), battery adapter back for V Mount (BAB-V), spare fan module (SFM-1), ALEXA rain Shield (ARS-1)

ARRI DIGITAL: D-21 Camera Specs PRINT PDF

ARRIFLEX D-21

Camera Type

35 format digital film style camera with an optical viewfinder

HD-SDI Connections

2x dual link HD-SDI out

Frame Rate

Mode

Setting

Camera fps

HD Mode

HD422 (16:9)

1 - 60

HD444 (16:9)

1 - 30

Mscope™

Mscope™ HD422 (4:3)

1 - 25

Data Mode

ARRIRAW (16:9)

ARRIRAW (4:3)

1 - 30
1 - 25

Frame rates other than the standard HD video frame rates of 23.976 PsF, 24 PsF, 25 PsF, 29.97 PsF, 30 PsF, 48 PsF, 50 PsF, 59.94 PsF and 60 PsF can be achieved with a recorder that can interpret the Variframe Flag.

All frame rates are crystal controlled and can be set with 0.001 fps precision. Exposure compensated speed ramps are supported by the electronic-mirror shutter.

Aperture

23.760 x 13.365 mm/0.9354" x 0.5262" in HD Mode 23.760 x 17.820 mm/0.9354" x 0.7016" max. in Data Mode & Mscope™

Signal Output

HD Mode - HD-DSI (SMPTE 292M):

1920 x 1080 4:2:2 YCbCr 10 bit @ 23.976, 24, 25, 29.97, 30 PsF

HM Mode - dual link HD-SDI (SMPTE 372M):

1920 x 1080 4:4:4 RGB 10 bit @ 23.976, 24,25, 29.97, 30 PsF
1920 x 1080 4:2:2 YCbCr 10 bit @ 48, 50, 59.94, 60 Psf

Mscope™ - dual link HD-SDI (SMPTE 372M):

1920 x 1080 4:2:2 YCbCr 10 bit @ 23.976, 24, 25 PsF

Data Mode - ARRIRAW T-Link
(ARRIRAW transmission protocol mapped into RGBA dual link HD-SDI stream according to SMPTE 372M):

2880 x 2160 RAW 12 bit Bayer data @ 23.976p, 24p, 25p
2880 x 1620 RAW 12 bit Bayer data @ 29.97p, 30p

Weight (without lens)

Body only:	8.6 kg/19.0 lbs
Body and viewfinder:	10.9 kg/24.0 lbs

Lens Mount

54 mm PL, centered for Super 35, with Lens Data System (LDS) contacts
Flange focal depth 52mm nominal

Display

Camera display on left side with individual buttons for:
camera RUN, PHASE (electronic inching & mirror rotation).
NORM-PS/CCU control, LOCK, MODE, SEL, and SET.

Video menu over composite video output for control of operational parameters:
Output mode, standard frame rates, white balance and color matrix, signal output range, contrast characteristic and sensitivity.

Shutter

Spinning, electronically adjustable reflex mirror shutter.
Adjustable to 11.2°, 22.5°, 30°, 45°, 60°, 75°, 90°, 105°, 120°, 135°, 144°, 150° 172.8° and 180°.

Viewfinder

Optical reflex viewfinder with interchangeable ground glass.
Spherical or universal (adjustable to spherical or anamorphic) viewfinders available. Viewfinders are adjustable in two axes with automatic or manual image compression, laterally extendable for left eye operation and show illuminated frame lines (ARRIGLOW, adjustable in brightness).
Optional medium or long finder extender including magnifier. Optional heated eyecup.

Video Assist

SD monitoring (PAL/NTSC video downscaled from captured image) with composite video or S-Video outputs.

Recording

HD recording devices supporting HD-SDI (SMPTE 292M) or dual link HD-SDI (SMPTE 372M) signals for HD Mode operation.
Optional on-board HD recording using solid state memory recorder Flash Mag.

Common Connections

2x composite video out (CVBS),
1x S-Video out (Y/C),
1x power in (BAT),
1x 12 V accessory power out (Fisher 11-pin),
1x 24 V accessory power out (RS),
1x lens data display (LD),
2x lens control system bus (LCS),
1x accessory interface (AC),
1x camera control unit (CCU), 1 each focus, iris, zoom for lens monitors.

Power

24V DC (acceptable voltage range: 20.5 to 36 V DC)

Power Consumption

2.1 A @ 24 fps, 1.9 A in Standby

Sound

less than 20 dB(A) @ 24 fps

Dimensions

Length	39 cm/15.35"
Width (viewfinder left):	27 cm/10.83"
Height with handle:	30 cm/11.81"
Height without handle:	23 cm/9.06"

Accessories

Accepts the whole range of ARRI matte boxes (15 or 19mm rods), follow focus and ARRI electronic accessories, Lens Data System (LDS). Wireless Remote System (WRS), Wireless Remote Control WRC-2, Iris Control Unit for speed/iris ramps (ICU-1), Remote On/Off switch (RS-4), External Synchronization Unit (ESU-1).

Specficially for ARRIFLEX D-21/D-21 HD: Low mode support set for Steadycam operation or underslung use and top-mounting of accessories without bridge plate, Flash Mag Mounting Adapter (FMA-1), Fibre Unit and Fibre Remote for an optical link to the recorder.

Misc

Extra attachment points for rigging.

ALEXA

ARRIFLEX D-21

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