Using Vantage Blue-Vision Filters and the Differences Between the Alexa SXT and Alexa XT

Using Vantage Blue-Vision Filters

Vantage Blue-Vision filters are used to add distinctive blue horizontal streaks while also maintaining the sharpness of the rest of the image and allowing cinematographers to create flares in a controlled way. They come in 2 sizes: 6.6x6.6” and 4x5.65”. Each set has 5 different filters that have their own characteristics by diffusing light differently.

You can see those differences in this image

Vantage blue filters are predominantly used in action-films and commercials. You’ve probably seen this effect in films like Star Trek Into Darkness and Human Target.

While Blue-Vision attachments were originally designed to be used with Hawk Anamorphic Lenses, they also work with many other spherical lenses.

In the short film below, we used a Vantage Blue Filter with a 8R Zeiss on our Alexa Mini. With two 300 watt Arris in the back behind the subject and pointing directly at the lens, you can see the blue effect of the vantage blue filters.

Behind the scenes pictures of the project:

Vantage Blue Vision filters are an easy way to incorporate appealing optical flares into your work.

How have you used Vantage Blue Filters? Share with us using #ottonemenz #ottonemenzbluevantage

The Differences Between the Alexa SXT and Alexa XT

What are the differences between the Alexa SXT and the Alexa XT?

  • ProRes 4k in-camera recording

  • ideal choice for productions that need 4kUHD TV or 4k DCI cinema deliverables all while using the Alexa platform folks know and love.

  • Improved image quality

  • same 3.4 ALEV III sensor from previous Alexas but with electronics of the Alexa 65 camera, which combine:

  • latest generation of FPGA processors + a fast internal backplane = better image processing chain + advanced pixel correction + optional noise reduction = better

overall image quality.

  • same Open Gate, 4:3 and 16:9 sensor modes (which can be recorded in Arriraw or ProRes).

  • Powerful color management

  • same advanced color management engine originally developed for ARRI Amira camera which has an extremely wide native color gamut Alexa Sensor and allows for better control = greater creative freedom.

  • New type of look file: ALF-2 (Arri Look File 2) contains a ASC CDL (Color Decision List) + a 3D LUT (Look up table).

  • New color management engine can match the looks of current Alexa Cameras but provides the basis for radically different looks.

  • New previewing of looks on set is improved + option to use the wide color gamut of Rec 2020 gamma + dailies creation is more efficient and final grading made faster. ALF-2 Files + tools used to create them are compatible between Alexa SXT, Mini and Amira.

  • Three full independent hd-sdi outputs

  • requested by crews globally

  • Allows for example: a Log C image to be used to show the director a pristine image with live grading, a clean Rec 709 image to be fed to video village, and a Rec 709 image with status information overlays to be displayed on the camera's on-board monitor. This provides flexibility.

SUMMARY: "The fundamental advantage of the ARRI ALEXA system is its unique combination of the highest overall image quality with the most efficient workflows on set and in post. Based on extensive market feedback, the ALEXA SXT line of cameras further improves upon those qualities, raising the widely-accepted gold standard set by Alexa still higher."


Do you have a preference? Leave your comments below or share your thoughts with us using #ottonemenz #ottonemenzcameras

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