In Open Gate mode, the ALEXA XT can record ARRIRAW at a resolution of 3414 x 2198 (1.55:1 aspect ratio). Vertically, that’s higher resolution then most 4K cameras today, which come in at 2160 vertical lines. The image can be scaled by only 20% for 4K finish, or 15% for Ultra HD finishing.
What does open gate mean?
Definition of open gate
: a slalom obstacle placed at right angles to the vertical descent of a ski slope — compare closed gate.
What is Open Gate anamorphic?
Shooting anamorphic onto a S-35 open gate sized sensor (slightly larger than S-35), allows a 4:3 image coverage to be used with 2x anamorphic lenses in order to shoot 2:38:1 true anamorphic images.
Does Alexa Mini have rolling shutter?
Rolling Shutter of the ALEXA Mini LF
With its full frame senor, the ALEXA Mini LF shows slightly higher rolling shutter values than the ALEXA Classic, 7.4 ms. This is the best result that we ever measured for a full frame sensor – the best so far was the Sony a7S III which showed 8.7ms (at 1.0x crop full frame).
Does the Alexa Mini have a global shutter?
There is no universal look that applies to all cameras and rolling shutters. Some cameras have more effect; some have less.
More videos on YouTube.
| Popular Rolling Shutters | Popular Global Shutters |
|---|---|
| Canon C200 | VRI Phantom VEO4K |
| ARRI Alexa Mini | Blackmagic 4K Production Camera |
Is ARRI Alexa full frame?
This sensor mode is covered by full frame lenses, the ARRI Master Macro 100 and by some Super 35 lenses with expanders. The maximum frame rate is 90 fps. Since the entire sensor is recorded, surround view is not available and this mode has the highest data rate.
How much is an ARRI Alexa mini LF?
The ARRI ALEXA Mini LF Large Format Camera Basic Set $58,760 USD (body only) Package that includes the ALEXA Mini LF and a PL to LPL adapter will be $59,890 USD.
What is checking the gate?
Normally the assistant director will call out “check the gate” when the director is ready to move on to the next shot. The crew will wait until the focus puller calls out “gate is clean.” If the gate is not clean, it will be cleaned with orangewood sticks and canned air and the crew will take the shot again.
What is an anamorphic camera lens?
Anamorphic lenses are specialty tools which affect how images get projected onto the camera sensor. They were primarily created so that a wider range of aspect ratios could fit within a standard film frame, but since then, cinematographers have become accustomed to their unique look.
Does Alexa mini shoot raw?
Yes, the Mini can shoot ArriRaw Open gate at a resolution of 3424 x 2202 and a maximum recording speed of 30 fps.
Is Alexa Mini Super 35?
No sooner had ARRI ALEXA Mini LF arrived than users clamored for Super35 recording formats. And now, ALEXA Mini LF SUP 7.0 provides Super35 in addition to its existing Full Frame / Large Format sensor modes.
What is the difference between rolling and global shutter?
In rolling shutter mode, different lines of the array are exposed at different times as the read out ‘wave’ sweeps through the sensor, whereas in global shutter mode each pixel in the sensor begins and ends the exposure simultaneously, analogous to the exposure mechanism of an interline CCD.
How much are ARRI cameras?
The ARRI ALEXA LF Large Format Camera Basic Set is a whopping $98,200 USD. The ARRI ALEXA LF Camera Pro Set with 1TB SXR Capture Drive is $122,700 USD, the ARRI ALEXA LF Camera Pro Set with 2TB SXR Capture Drive is $128,900 USD, and the ARRI ALEXA LF Camera Pro Set with 256GB SxS PRO+ Memory Card is $112,300 USD.
What does rolling shutter do?
A rolling shutter is a type of image capture in cameras that records the frame line by line on an image sensor instead of capturing the entire frame all at once. The rolling shutter sensor scans from the top of the image to the bottom, so the top of the frame is recorded slightly earlier than the bottom.
Does Arri Alexa mini shoot 4K?
Using the power and large pixels of the 4:3 ALEV III sensor, the ALEXA Mini records up to UHD 4K ProRes images with the dynamic range, skin tones, and true-to-life colors for which ARRI cameras are noted.
What does lf mean in camera?
The ALEXA LF sensor is a 4K sensor
In order to maximize and utilize the whole sensor, one must record in Open Gate mode, which means that you record all that the sensor sees. However, in order to get the entire image, a large format lens must be used, because LF lenses own the abilities to cover the entire sensor.
What lenses work with ALEXA Mini LF?
PARTIAL LIST OF COMPATIBLE PRIME LENSES:
- ARRI SIGNATURE PRIMES 18,21,25,35,40,47,58,75,95,125,200.
- Canon K35 18, 24, 35, 50, 85, 135, 200.
- Canon FD 50-300 Zoom.
- Century 150-600 T6. 7 Zoom.
- Cooke panchro 40,50,75,100,152.
- ARRI MASTER MACRO 100.
- CINEOVISION 100 MACRO.
- ZEISS SSpeed 28, 35, 50, 85, 100, 135, 180.
What sensor does the ARRI Alexa Mini have?
ALEV 3 A2X sensor
The ALEXA Mini LF uses the same sensor as the ALEXA LF. This is the ALEV 3 A2X sensor, which has the same photosite size and type as ARRI Super 35 digital cameras.
What year did the Alexa mini come out?
2015
On 24 February 2015, Arri announced the Alexa Mini. It has the same sensor as the other Alexa cameras. It features in-camera recording to CFast 2.0 cards, 200 FPS and 4K UHD in-camera upscaling.
What cards does Alexa LF use?
The ALEXA LF Large Format Camera boasts the features of your ALEXA SXT W, but with Large Format Sensor and 14+ stops for creative exploration. 3x sensor modes: LF Open Gate, LF 16:9, LF 2.39:1. ARRIRAW or Apple ProRes. Includes (5) 256GB SXS PRO+ Cards.
Why do they say check the gate?
Gate: When shooting on film, you’ll often hear the assistant director shout, “Cut! Check the gate!” This is to ensure that the camera and film is free of any impurities or blockages (a hair in the way, for instance) that would render what’s been filmed unusable or call for another take.
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