Cooke S4 15-40 mm

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Cooke 15-40mm T2.0 CXX Zoom Lens

You expect and get superior performance and ease of operation from Cooke lenses. The Cooke S4/i 15-40mm CXX zoom lens offers attributes beyond great optical and mechanical performance for 35mm/Super 35mm formats:

New Variable Vignetting Stop

Cooke's new Variable Vignetting Stop allows the high speed CXX lens to maintain T2.0 and high resolution throughout the zoom range. This innovative mechanism adjusts automatically. The benefit to you: no ramping and no flare.

Light and Bright

T2, of course. Light and comparable in size to a Cooke S4/i prime telephoto lens. And like our S4/i telephoto lenses, the CXX zoom offers an extraordinary close focus: Under 7 inches from the front element. And like the Cooke S4/i Primes - no breathing.




Focal Length 15 – 40mm

Zoom Ratio 2.67:1

T-stop Range T2 – T22

Maximum f-stop f/1.84

Maximum Format Covered 30mm Image Circle (for Super 35 format)

Minimum Marked Object Distance 18 inches / 450mm

Close Focus from Lens Front 6.94 inches / 169mm

Diagonal Angle of View for 30mm Image Circle 90 - 41 degrees

Overall Length from Front of Lens to Image Plane 11.06 inches / 281mm

Length from Front of Lens to Lens Mount 9 inches / 229mm

Front Diameter 136mm (5.35 inches)

Lens Mount PL

Total Weight 7.9 lbs. / 3.6 kg

Matte Box Size 6.6 x 6.6 inches

Angular Rotation of Iris 92 degrees

Iris Drive Gear 134 Teeth 0.8 Metric Module x 2.5mm Wide x 80.5mm from Image Plane

Focus Scales Two Opposing Focus Scales, Metric or Footage Marked from Infinity to MOD

Angular Rotation from Infinity to MOD Endstop 290 degrees

Angular Rotation Between Endstops 300 degrees

Focus Drive Gear 153 Teeth 0.8 Metric Module x 6.0mm Wide x 223mm from Image Plane

Zoom Scales Two Opposing Zoom Scales

Angular Rotation of Zoom Scale 130 degrees

Zoom Drive Gear 140 Teeth 0.8 Metric Module x 6.0mm Wide x 99mm from Image Plane

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