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TRIBE7 BLACKWING7 – “Straight” S-Tuning Tunable Large Format Cine Lenses

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Purpose-designed for large format motion picture imaging, BLACKWING7 lenses from TRIBE7 represent an entirely new range of tuned optics for contemporary film makers to use within their creative story telling.

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TRIBE7 is a new company setup in partnership between Bradford Young ASC and Neil Fanthom formerly ARRI’s Director of Technology behind the DNA series of lenses for Alexa 65.

Purpose-designed for large format motion picture imaging, BLACKWING7 lenses from TRIBE7 represent an entirely new range of tuned optics for contemporary film makers to use within their creative story telling.

BLACKWING7 optics exhibit unique imaging properties which arise from the introduction of controlled distortion during the development and manufacturing processes. This distortion is modular and allows a level of tuneability over key parameters which shape many creative characteristics of the lenses.

The lens range comprises ten focal lengths: a core set of seven plus three additional wide lenses. All lenses are offered in three tuning options per focal length, configurable at point of manufacture.

BLACKWING7 lens tuning allows parameters such as sharpness, contrast, roll-off, spherical aberration, field curvature, edge halation and flare to be modified to provide sets of “curated” optics to suit the personality and intent of the owner.

Many of the design cues for BLACKWING7 primes originate in optics manufactured during the 1930 - 1960s, but the real inspiration behind the lenses lies in the evolutionary nature of experimental music and audio synthesis, and the process of creating distortion through sound amplification.

Conceptually, the ability to tune each BLACKWING7 lens is identical to how EQ adjustment is used in music production - to control the range, or shape of tonality in specific bands across the audio frequency spectrum. The image produced by a BLACKWING7 lens can be described as having a musical fidelity to it; with each focal length having an underlying level of distortion which can be controlled to produce strong artistic resonances including unique flaring characteristics.

Ten sets of BLACKWING7 BINARIES were created by TRIBE7 to help introduce the film making community to the concept of audio merging into imaging. These limited-edition BINARIES are named in recognition of creative imaging not being a black or white process – film makers accessing a wide choice of optics is essential to serve creative storytelling. BLACKWING7 BINARIES have been widely used on commercials, music videos, TV and feature productions and all feedback from these unique lenses has contributed to the production tuning of the BLACKWING7 prime lenses which are now shipping.

S STRAIGHT Tuning

S-tune BLACKWING7 primes have a tuning profile based on optical designs from the first half of the 20th Century, such as the 1950 Wray UNILITE 50mm f/2. S lenses have optical elements with multi-layer coatings to help control the resonant flare characteristics seen in the T and X variant BLACKWING7 primes. The more advanced optical coating also allows a modest increase in central image sharpness whilst maintaining a smooth roll-off of contrast across the frame.

Lens Details

  • 17mm
    •
  • 20.7mm
    •
  • 23.7mm
    •
  • 27mm
    •
  • 37mm
    •
  • 47mm
    •
  • 57mm
    •
  • 77mm
    •
  • 107mm
    •
  • 137mm
    •
 

Specifications

Focal Length Image Circle Close Focus Weight
MM MM MAX ILLUMINATION IN CM LB KG
17 52 8.7 22 3.8 1.75
20.7 50 9 23 3.2 1.5
23.7 50 10 26 3.2 1.5
27 55 13 34 3.6 1.7
37 60 18 45.7 3.4 1.6
47 60 18 44.5 3.2 1.5
57 60 19 48.3 3.5 1.6
77 60 26 66 3 1.4
107 62 27 68.5 3.2 1.4
137 62 32 81.3 3.2 1.5
Aperture T1.8 to T22 for 77 & 107mm
T1.9 to T22 for all other focal lengths
Iris System Non-linear, 14 blade
Image Distortion Less than -4% / +0.5%
Transmission waveband 420nm to 680nm
Color and tonality Matched across the range
Magnification Shift Less than 4% (from ∞ to close focus)
Focus and Iris Backlash Negligible
Flange system PL mount
Focus Scale and Drive
17 to 137mm 		Windowed
Left/right in feet (meters on request)
270-degree rotation
Gearing: 142 teeth, 0.8mm mod, 6mm width, 115.2mm dia
Aperture Scale and Drive

Non-windowed left/right
90-degree rotation
Gearing: 134 teeth, 0.8mm mod, 3mm width, 108.8mm dia
Operating Temperature Range -20 to +45 C