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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

25mm UC Series Fixed Focal Length Lens

25mm FL, #33-305

25mm FL, #33-305

Stock #33-305
C$283.50
Qty 1+
C$283.50
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Focal Length FL (mm):
25.00
Maximum Sensor Format:
1/1.8"
Aperture (f/#):
f/1.85 - f/16
Working Distance (mm):
200 - ∞
Maximum Image Circle (mm):
9
Numerical Aperture NA, Object Side:
0.0306
Entrance Pupil Position (mm):
15.05
Exit Pupil Position (mm):
-44.48
Object Space Principal Plane (mm):
29.11
Image Space Principal Plane (mm):
-12.34
Primary Magnification PMAG:
0.119
Field of View at Max Sensor Format:
Horizontal: 60.8mm - 16.4°
Vertical: 45.5mm - 12.3°
Diagonal: 76.3mm - 20.4°
Horizontal Field of View, 1/1.8" Sensor:
60.8mm - 16.4°
Horizontal Field of View, 1/2" Sensor:
54.0mm - 14.6°
Horizontal Field of View, 1/2.5" Sensor:
48.9mm - 13.2°
Horizontal Field of View, 1/3" Sensor:
40.4mm - 11.0°
Horizontal Field of View, 1/4" Sensor:
30.3mm - 8.2°
Maximum Distortion:
-0.15
Coating Specification:
λ/4 MgF2
Filter Thread:
M25.5 x 0.5 (Female)
Length (mm):
31.28
Maximum Diameter (mm):
30
Maximum Rear Protrusion (mm):
4
Number of Elements (Groups):
7 (5)
Iris Option:
Variable
Mount:
C-Mount
Type:
Fixed Focal Length Lens
Weight (g):
48

Regulatory Compliance

RoHS 2015:
REACH 201:

Product Family Description

  • Ultra-Compact (UC), High Resolution C-Mount Lens for Small Sensors
  • Up to 12 MegaPixels, 1.85μm Pixel Size Sensors
  • Up to 1/1.8", C-Mount Lens
  • 4mm to 35mm Focal Length

Our ultra-compact, TECHSPEC® 1/1.8" UC Series Fixed Focal Length Lenses are designed to optimize performance, cost, and size without sacrificing quality or feel. Designed for pixels that are ≤2.2μm, these lenses provide high levels of resolution (>200 lp/mm) across the sensor and are compatible with all standard C-Mount cameras. TECHSPEC® 1/1.8" UC Series Fixed Focal Length Lenses feature focus and iris adjustments, as well as recessed set screws, and are manufactured for use at typical machine vision working distances. While they are optimized for 1/2.5" sensors, many focal lengths will work on sensors up to 1/1.8". The TECHSPEC® 1/1.8" UC Series Fixed Focal Length Lenses are an outstanding option for use on all smaller format camera sensors, along with both short and long working distance applications, making them ideal for inspection, factory automation, biomedical devices, and a broad range of other applications.

Note: For fixed aperture instrumentation versions, see our TECHSPEC® 1/1.8" UCi Series Fixed Focal Length Lenses.

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