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COOKE S4




Superior performance and ease of operation is exactly what you expect from Cooke lenses, but the new Cooke S4/i 15-40mm CXX Zoom lens offers attributes beyond great optical and mechanical performance for 35mm/Super 35mm formats


  Cooke S4/i 15-40mm T2 CXX Zoom
Focal length range 15-40mm
T stop range T2 - T22
Maximum f Stop f/1.84
Close focus from lens front 6.94 inches / 169mm
Length from front of lens to image plane 11.06 inches / 281mm
Minimum marked object distance 18 inches / 450mm
Maximum format covered 30mm image circle (for Super 35 format)
Diagonal angle of view for 30mm image circle 90 - 41 degrees
Iris scales Two opposing scales, whole and third stops marked
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
Length from front of lens to lens mount 9 inches / 229mm
Front diameter 136mm
Weight 7.9 lbs. / 3.6 Kg


The Cooke S4 Prime Lenses were designed and developed in close technical collaboration with Clairmont Camera and Otto Nemenz in Hollywood. They are colour-matched and compatible with Cooke's 18-100mm T3.0 and 25-250mm T3.7 zoom lenses. The S4 lenses represent a major advance in fixed focal length lenses for 35mm format professional cinematography. 
 


  Units 14mm 16mm 18mm 21mm 25mm 27mm 32mm 35mm
T-stop Range

T2-T22 T2-T22 T2-T22 T2-T22 T2-T22 T2-T22 T2-T22 T2-T22
Angular Rotation of Iris Scale degrees 96 96 96 96 96 96 96 95
Miniumum Marked Object Distance mm
inches
250
9
225
9
250
9
250
9
250
9
250
10
300
12
350
14
Close Focus from Lens Front mm
inches
50
2.0
47
2.0
64
2.5
85
2.5
64
2.5
110
4.5
152
6.0
170
6.9
Angular Rotation to MOD Endstop degrees 270 270 270 270 270 270 300 300
Maximum Diagonal Angle of View for Super 35 Format degrees 94  86 80 71 62 58 50 46
Overall Length from Front of Lens to Image Plane mm
inches
180
7
178
7.0
165
6.5
165
6.5
165
6.5
165
6.5
180
7.1
180
7.1
Max Front Diameter mm 110 110 110 110 110 110 110 110
Total Weight kg
lbs
2.2
4.8
2.45
5.40
1.75
3.85
2.0
4.4
1.6
3.5
1.60
3.55
1.85
4.0
1.90
4.20


  Units 40mm 50mm 65mm 65mm SF 75mm 100mm 135mm
T-stop Range

T2-T22 T2-T22 T2-T22 T2-T22 T2-T22 T2-T22 T2-T22
Angular Rotation of Iris Scale degrees 94 93 92 92 92 91 92
Miniumum Marked Object Distance mm
inches
400
16
500
20
700
27
700
27
750
30
900
36
800
30
Close Focus from Lens Front mm
inches
216
8.5
330
13
473
20
453
19.2
584
23
724
28.5
564
20.7
Angular Rotation to MOD Endstop degrees 300 300 300 300 300 300 340
Maximum Diagonal Angle of View for Super 35 Format degrees 41 34 26 26 22 17 13
Overall Length from Front of Lens to Image Plane mm
inches
193
7.6
177
7.0
177
7.0
197
7.8
177
7.0
193
7.6
236
9.3
Max Front Diameter mm 110 110 110 110 110 110 110
Total Weight kg
lbs
2.0
4.4
1.5
3.3
1.60
3.55
2.25
4.95
1.75
3.85
2.0
4.4
2.25
4.95

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