4/3" DG Series Fixed Focal Length Lenses
• Lowest Distortion TECHSPEC® Lens (0,3% or Less Distortion)
• Up to 9 MegaPixels, 2,8 μm Pixel Size Sensors
• 4/3", C-Mount Lens
TECHSPEC® 4/3" DG Series Fixed Focal Length Lenses utilize a Double Gauss design to provide high performance,
low distortion, compact size, and exceptional value, while exceeding the performance of typically
available fixed focal length lenses. These lenses feature a mechanical design that allows the focusing movement
to be motorized by the user, yields image resolution greater than 100 lp/mm, and have a standard C-Mount.
For most applications, the camera-lens combination can be attached to workstations using the ¼-20 mount
provided on the camera. These lenses include focus ring, manual iris, and set screws to facilitate a low profile
integration in machine vision applications. Typical applications include machine vision, assembly line integration,
and measurement and image analysis.
Note: Industrial Boom Stands are recommended for building vibration-free workstations.
Call for OEM quantity pricing.
4/3" DG Series Lens Kit
Focusing Kit: Contains one each (5) of our focusing DG Series lenses in a wooden storage box with foam lining. #55-225 €1.722,52
Dimensions Max.
Diameter
(A)
Filter
Thread
Groove for 1/8" Pulley Belt
(not on 18mm)
Motor Length (C)
Max. Length (B)
Dist. to Groove (E)
Rear Protrusion (F)
Motor Mount
Diameter (D)
C-Mount
Iris Adjustment
Focus Locking Screw Iris Locking Screw
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Mounted Linear Glass Polarizing Filters
Mount
Dia. x Pitch
Stock No. Price
M30,5 x 0,50 #46-574 €32,81
M37,0 x 0,75 #52-556 €34,26
M49,0 x 0,75 #36-440 €39,08
Mounted Color Filters
Mount
Dia. x Pitch
Red Green Blue
Stock No. Price Stock No. Price Stock No. Price
M30,5 x 0,50 #46-545 €49,21 #46-546 €49,21 #46-547 €49,21
M37,0 x 0,75 #58-642 €51,63 – – N/A –
M49,0 x 0,75 #54-763 €51,63 #54-769 €51,63 #54-775 €51,63
Units: mm
FL (mm) A (mm) B (mm) C (mm) D (mm) E (mm) F (mm) Filter Thread
(Dia. x Pitch)
18 48,0 32,3 4,6 40,0 – 2,5 M30,5 x 0,5
25 39,0 40,0 5,8 34,7 30,7 2,2 M30,5 x 0,5
35 45,0 50,1 11,6 40,0 42,1 0 M37,0 x 0,75
50 47,5 69,0 10,6 40,0 40,8 0 M39,0 x 0,5
75 54,0 116,2 19,2 46,0 67,7 0 M49,0 x 0,75
Coating: l/4 MgF2 @ 550 mm
TECHSPEC® 4/3" DG Series Fixed Focal Length Lenses
Focal Length
(mm)
Max.
Sensor
PMAG
Range
Aperture
(f/#)
Horiz. FOV
4/3" Sensor
Horiz. FOV
1,1" Sensor
Horiz. FOV
1" Sensor
Horiz. FOV
2/3" Sensor Distortion Working
Distance (mm)
Weight
(g) Stock No. Price
18 1" 0X - 0,074X f/4 - f/12 – – 159,2 mm - 38,5° 108,7 mm - 26,8° -0,96 210 - ∞ 116 #54-857 €525,92
25 1,1" 0X - 0,106X f/4 - Closed – 141,7 mm - 31,4° 128,8 mm - 28,7° 88,4 mm - 19,9° 0,03 240 - ∞ 85 #55-326 €525,92
35 1,1" 0X - 0,15X f/4 - Closed – 97,5 mm - 22,9° 89,4 mm - 20,8° 61,5 mm - 14,4° 0,52 240 - ∞ 142 #54-689 €525,92
50 4/3" 0X - 0,22X f/4 - f/18 77 mm - 19,4° 64,6 mm - 15,9° 58,2 mm - 14,4° 40,1 mm - 9,9° 1,01 240 - ∞ 174 #54-690 €525,92
75 4/3" 0X - 0,35X f/4 - f/30 53 mm - 13,2° 45,4 mm - 10,8° 40,9 mm - 9,8° 28,1 mm - 6,7° 0,16 250 - ∞ 436 #54-691 €579,00
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