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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..
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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

F-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENS

F-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENS
F-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENSF-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENSF-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENSF-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENSF-Mount lens | LF2528M-F Large Format Φ43.2mm 25mm Focal Length FA LENS
CategoriesF-Mount Lens
BrandMSTAR Machine Vision System
ModelLF2528M-F
Focal Length25 mm
F-NumberF2.8 ~ F16
Image SizeΦ43.2 mm
Distortion0.40%
Minimum Operation Distance140 mm
Magnification Range0.001x ~ 0.17x
Iris ControlManual
Focus ControlManual
Filter ThreadM77*0.75
MountF-Mount
Download DOCpdf icon
Update TimeNovember 26,2022
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
Datasheet | LF2528M-F Large Format Φ43.2mm 25mm Focal Length F-Mount FA LENS
Drawing | LF2528M-F Large Format Φ43.2mm 25mm Focal Length F-Mount FA LENS
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..