Computar M3Z1228C-MP Varifocal Lens

USD 285.18

12-36 mm C-mount varifocal lens for 2/3 in sensors; manual iris/focus/zoom, low distortion, locking mechanisms.

SKU Computar-M3Z1228C-MP Category
Top Brands > Computar > Varifocal C-Mount Lens

Computar M3Z1228C-MP Varifocal Lens

Model Identifier M3Z1228C-MP
Official Part Number M3Z1228C-MP
GTIN Standard NA

Technical Overview

2/3-inch C-mount megapixel varifocal lens with 12-36 mm focal length, manual iris, manual focus, and manual zoom. The manufacturer lists it for factory automation and image-processing close-up applications, with low distortion, strong peripheral illumination, and locking mechanisms for focus and iris. Verified dimensions are 41.6 mm diameter by 53 mm length, with 105 g weight.

Key Features

  • 2/3-inch image format
  • 12-36 mm focal length
  • F2.8 maximum aperture
  • Manual iris control
  • Manual focus control
  • Manual zoom control
  • Low distortion
  • Built-in locking mechanisms for focus and iris
  • C-mount interface
  • Designed for close-up factory automation and image processing

12-36 mm varifocal optics with manual iris and locking focus/iris for stable machine-vision setup.

Technical Specification Matrix

ParameterValue
Lens typeVarifocal lens
Image format2/3 inch
Focal length12-36 mm
Maximum aperture ratio1:2.8
Maximum image format8.8 x 6.6 mm (φ11 mm)
Iris operation rangeF2.8-F16C
Focus operation range0.3 m - ∞
Zoom operation range12 mm - 36 mm
Iris controlManual
Focus controlManual
Zoom controlManual
MountC-mount
Filter sizeM35.5 P=0.5 mm
Effective lens aperture, frontφ27.2 mm
Effective lens aperture, rearφ12.1 mm
Back focal length, tele13.5 mm
Back focal length, wide14.7 mm
Flange back length17.526 mm
Dimensionsφ41.6 x 53 mm
Weight105 g
Operating temperature-20°C to +50°C
Low distortionSpecified feature
Built-in locking mechanismsFor focus and iris

Industrial Applications

1. High-resolution inspection on variable working distances

The 12-36 mm varifocal range and manual focus/zoom let integrators tune field of view for different part sizes without changing lenses.

Problem Solved

Eliminates frequent lens swaps while maintaining image framing across multiple inspection stations.

varifocal12-36 mmmanual focusmanual zoom2/3 inch sensor

2. Factory automation machine-vision stations

Low distortion and strong peripheral illumination support stable edge detection and dimensional checks on conveyors and assembly lines.

Problem Solved

Reduces measurement error and shadowing in automated inspection tasks.

low distortionperipheral illuminationmachine visionfactory automationC-mount

3. Locked-off vision systems in vibrating industrial equipment

The built-in locking mechanisms on focus and iris help preserve calibration in equipment exposed to vibration or routine maintenance.

Problem Solved

Prevents focus drift and exposure change in high-vibration environments.

locking mechanismsmanual irismanual focusindustrial vibrationcalibration stability
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