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CITRINE F1.4/17 mm 
2/3" C-Mount lens with motorized iris

 



Key features

  • Compact design
  • Motorized iris (P-iris)
  • 11 mm image circle
  • 400-1000nm AR coating
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CITRINE Lens F1.4 17mm C-Mount Motorized

CITRINE C-Mount lenses deliver high-resolution imaging for up to 2/3” sensors, with ruggedized, stabilized, and motorized versions available. Compact and durable, they ensure reliable performance in both visible and NIR ranges, even in harsh environments.

This high resolution 2/3” C-Mount lens with motorized iris is compact and robust and therefore ideal for demanding imaging applications even in harsh environment. With the special broadband AR coating it can be used in the visible 400 to 700 nm and in the NIR 700 to 1000 nm range. Typical applications: 2D/3D metrology, robotics vision, industrial automation, traffic and surveillance.

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Technical specifications: CITRINE F1.4/17 mm C-Mount motorized

Type [standard]C-MI
ID [standard]1061451
InterfaceC-Mount
Focal length [mm]17
Aperture range F/#F/1.4 ... F/11
Numerical aperture [object | image]- | 0.33
Maximum sensor size [mm]11
Maximum angle of view [°]36
Recommended magnification range-0.1 ... 0
Recommended working distance
range [mm]
157 ... ∞
Minimum working distance without
extension tubes [mm]
44
Filter thread [mm]M30.5 x 0.5
Storage temperature [°C]-25 … +70
Net weight [g]129
Additional info-
f'eff [mm]17.57
SF [mm]-6.15
S'F' [mm]13.16
HH' [mm]-3.20
ß'P2.98
SEP [mm]12.05
S'AP [mm]-39.16
Σd [mm]24.93

Lens specifications glossary

 

Specification Description
Focal length Nominal focal length
Aperture range F/# Image space F-number range for infinity focus position
Numerical aperture Maximum real numerical aperture (depending on recommended magnification range either for infinity or respective fixed magnification)
Max. sensor size Image circle diameter
Max. angle of view Angle of view associated with maximum sensor size (depending on recommended magnification range either for infinity or respective fixed magnification)
Rec. magnification range Magnification range as recommended by Schneider-Kreuznach
Rec. working distance range Working distance, i.e. distance between object and first mechanical element, associated with recommended magnification range
Max. mechanical focus travel Maximum possible movement of the lens from infinity position (depending on recommended magnification range either for infinity or respective fixed magnification)
Net weight weight of unpacked lens without lens cap
f'eff Effective focal length
SF Distance between vertex of first lens surface and object space focal point
S'F' Distance between vertex of last lens surface and image space focal point (back focal distance at infinity)
HH' Distance between principal planes
ß'P Pupil magnification (= exit pupil diameter / entrance pupil diameter)
SEP Distance between vertex of first lens surface and entrance pupil
S'AP Distance between vertex of last lens surface and exit pupil
Σ d Distance between vertices of first and last lens surface
s'A Flange focal distance (in air) for infinite object distance (depending on recommended magnification range either for infinity or respective fixed magnification)
ß' Magnification (= image size / object size), negative value because image is inverted
OO' Distance between object and image
Info  Unless otherwise stated all dimensions in this data sheet are in mm

 

Picture of the lens

CITRINE Lens F1.4 17mm C-Mount Motorized

 

Technical drawing

citrine-f1-4-17mm-c-mount-motorized-1061451-technical-drawing.jpg

 

Relative illumination vs. image height

citrine-f1-4-17mm-c-mount-motorized-1061451-relative-illumination-vs-image-height.jpg

 

Distortion vs. image height

citrine-f1-4-17mm-c-mount-motorized-1061451-distortion-vs-image-height.jpg

 

Transmittance vs. wavelength

citrine-f1-4-17mm-c-mount-motorized-1061451-transmittance-vs-wavelength.jpg


MTF charts


 

Spectrum name VIS
Wavelengths [nm] 425 475 525 575 625 675
Rel. weights [%] 8 16 23 22 19 13
citrine-f1-4-17mm-c-mount-motorized-1061451-mtf-charts.jpg

Motor Specifications and Performance Details


ParameterData
Motor type2 phase, bipolar stepper motor
Coil resistance21 Ohm
Rated current≤ 143 mA/Phase
Rated voltage3 V
Coil inductivity1.8 mH/phase @ 1 kHz
Max. step frequency400 Hz
Cable typeLemo Santoprene 2 x 2 x 0.14 mm² black
Cable length300 mm
Electrical connectorJEITA E4-191J-100
Operating temperature0°C to +50°C
Storage temperature-25°C to +70°C
Mean time between failures (MTBF)> 100.000 cycles

Sequence of excitation (Iris movement <-open iris / -> close iris)

pins\steps 1 2 3 4
3 high high low low
2 low low high high
1 low high high low
4 high low low high


Motor steps to f-stop resolution

Motor steps 10 15 20 25 30 35 40
Iris-diameter 7.9 5.8 4.2 3 2.2 1.6 1.2
F-Stop 1.5 2 2.8 3.9 5.3 7.3 10.1


F-stop to motor steps resolution

F-stop 1.4 2 2.8 4 5.6 8 11
Iris-diameter 8.4 5.9 4.2 2.9 2.1 1.5 1.1
Motor steps 9.1 14.7 19.9 25.5 30.8 36.4 41.3

 

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+49 (0) 671 601 0

 

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