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Mstar Technologies, Inc, as a leading provider of a comprehensive Machine Vision System in China, was founded in March 2012, located in Zhejiangoverseas High-Level Talents Innovation Park. Mstar Technologies, Inc, is a company engaged in the area of development and production of machine vision products including machine vision system, industrial camera, FA lenses, machine vision lightings, infrared thermal cameras and etc..
Home / All / FA Lens / F-Mount Lens /
F-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENS
Home / All / FA Lens / F-Mount Lens /
F-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENS
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F-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENS
| Categories | F-Mount Lens |
|---|---|
| Brand | MSTAR Machine Vision System |
| Model | LF2528M-F |
| Focal Length | 25 mm |
| F-Number | F2.8 ~ F16 |
| Image Size | Φ43.2 mm |
| Distortion | 0.40% |
| Minimum Operation Distance | 140 mm |
| Magnification Range | 0.001x ~ 0.17x |
| Iris Control | Manual |
| Focus Control | Manual |
| Filter Thread | M77*0.75 |
| Mount | F-Mount |
| Download DOC |  |
| Update Time | Apr 26,2024 |
Detail Information
Introduction
LF2528M-F F-Mount Lens
Large Format Φ43.2mm 25mm F-Mount FA LENS
LF series large format FA Lens are optimized
for machine vision light sources and sensors,
with excellent imaging quality and high image
uniformity. It is suitable for high resolution
machine vision industry applications.
Key features
■ Ultra-high resolution and consistency of image clarity
■ Ultra-low distortion and high relative illumination
■ Image circle φ43.2mm, applicable to large sensor area scan and 8K 5μm line scan cameras
Specifications
Performance | |
Focal Length[mm] | 25 |
F/# | F2.8~ F16 |
Image Size | Φ43.2 mm |
Distortion | 0.40% |
Working Distance Range | 140 mm |
Magnification Range | 0.001x ~ 0.17x |
Field of View | D（43.5 mm）：82.0° H（36.2 mm）：71.8° V（24.1 mm）：51.5°
|
Mechanical |
|
|
Iris Control
|
Manual
|
|
Focus Control
|
Manual
|
|
Filter Thread
|
M77*0.75
|
Mount | F-Mount |
Flange Back Length | 17.526 mm |
Dimension | Φ80×93.7 mm |
Weight | 705.7 g |
Temperature | -10 ~ 50℃ |
Download document
FAQ
What is the resolution(μm) of the lens?
Resolution is a measured by how closely 2 points can be before they cannot be distinguished. For example, 1μm resolution means that 2 points that are 1μm away from each other can be distinguished. Resolution values in this catalog are theoretical resolutions for the lenses. The following is a formula to calculate theoretical resolution based on a lens's ray diffraction with no aberration.
Resolution=0.61×λ/NA λ : Wavelength 0.61: Fixed Number
Distortion
(%)
Distortion is the aberration of a lens where a straight object outside of the optical axis appears curved. Distortion of a straight line towards the center is called pincushion distortion, while distortion expanding outwards is called barrel distortion
WD
(Working Distance)
Distance from the front end of a lens system to the object under inspection.
F Number
The value indicates lens brightness. It is calculated by dividing the focal distance of the lens by its effective diameter (entrance pupil diameter D mm) looking from its object side. It can also be calculated by NA and the lens' optical magnifi cation ( ). The smaller the number the brighter the lens is.
F No=f/D
Field of View
Field of view is the size of an object that can be shot when the lens is attached to a camera.
The size of fi eld of view is (sensor size) ÷ (optical magnification ).
(Calculation Example) Optical Magnification =0.2x, camera Size 1/2" (4.8mm Long, 6.4mm Wide) :
Size of Field of View Length =4.8/0.2=24 (mm)
Width =6.4/0.2=32 (mm)
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Mstar Technologies, Inc, as a leading provider of a comprehensive Machine Vision System in China, was founded in March 2012, located in Zhejiangoverseas High-Level Talents Innovation Park. Mstar Technologies, Inc, is a company engaged in the area of development and production of machine vision products including machine vision system, industrial camera, FA lenses, machine vision lightings, infrared thermal cameras and etc..