Name: f/2.1, 25mm Focal Length Green Series M16 Lens
Brand: TECHSPEC
SKU: 54-855
Price: ₹5,298

f/2.1, 25mm Focal Length Green Series M16 Lens

25mm Focal Length, #54-855

Stock #54-855 10 to 12 days

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₹5,298

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₹5,298

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₹4,202

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Iris Option:

Fixed

Length (mm):

24.20

Horizontal Field of View, 1/2" Sensor:

34.8mm - 14.7°

Maximum Diameter (mm):

Outer Diameter (mm):

18.0

Resolution:

115 lp/mm @ 20% Contrast

Mounting Threads:

M16 x 0.5

Weight (g):

Horizontal Field of View, 1/3" Sensor:

26.0mm - 11.0°

Maximum Image Circle (mm):

8.00

Numerical Aperture NA, Object Side:

0.0429

Horizontal Field of View @ Max Sensor Format:

34.8mm - 14.7°

Number of Elements (Groups):

4(4)

Wavelength Range (nm):

400 - 700

Horizontal Field of View, 1/2.5" Sensor:

31.5mm - 13.3°

Type:

M12 Imaging Lens

Focal Length FL (mm):

25.00

Primary Magnification PMAG:

0.187X

Maximum Sensor Format:

1/2"

Working Distance (mm):

150 - ∞

Mount:

M16 x 0.5

Aperture (f/#):

f/2.1

Distortion (%):

-1.69 @ Full Field

Back Focal Length BFL (mm):

12.6 - 11.9

Coating Specification:

λ/4 MgF₂ @ 580nm

Entrance Pupil Position (mm):

4.43

Horizontal Field of View, 1/4" Sensor:

19.4mm - 8.2°

Object Space Principal Plane (mm):

8.73

Image Space Principal Plane (mm):

-12.83

Field of View at Max Sensor Format:

Horizontal: 34.9mm - 14.7°
Vertical: 26mm - 11°
Diagonal: 43.9mm - 18.5°

IR Cut Filter:

Exit Pupil Position (mm):

-18.02

Lens Wavelength Range:

VIS

Imaging Lens Type:

Standard Lens

Regulatory Compliance

RoHS 2015:

Compliant

Certificate of Conformance:

View

REACH 241:

Compliant

Product Family Description

Up to 1/2", S-Mount Lens
Up to 0.4 MegaPixels, 8.3µm Pixel Size Sensors
Board Camera Lens Optimized for Close WD and Finite Conjugate
6mm to 25mm Focal Lengths

TECHSPEC® Green Series M12 Lenses designed for use in compact and board level cameras provide excellent image quality in a small, versatile package. Optimized to cover 1/3” and ½” sensor formats and weighing only a few grams, these machine vision lenses meet the most demanding space and weight restrictions. Each lens is threaded for M12 x 0.5, except the 25.0mm focal length option (#54-855). TECHSPEC® Green Series M12 Lenses are ideal for wide angle and close focus applications, large area inspect for the automotive, forensic, pharmaceutical, and food industries. Prescription data is available by submitting a Request for Prescription Form.

Note: Compatible TECHSPEC M12 Imaging Lens Accessories available.

Edmund Optics has created multiple product families of our TECHSPEC® M12 S-Mount Lenses, which are designed to provide high resolution. These high performance lenses feature precision glass designs in a metal housing and have optimized specifications between each product family to meet your application needs.

Blue Series M12 Lenses: High resolution finite conjugate designs optimized for machine vision working distances.
Rugged Blue Series M12 Lenses: Stabilized ruggedization versions of our Blue Series M12 Lenses, utilizing the same optics.
Green Series M12 Lenses: Finite conjugate designs optimized for machine vision working distances.
Red Series M12 Lenses: Infinite conjugate designs optimized for high resolution performance out to infinity.
HEO Series M12 Lenses: Harsh Environment Optics (HEO) sealed versions of our Red Series M12 Lenses.
Liquid Lens M12 Lenses: Integrated liquid lens for fast electronic focus.

#54-855, f/2.1, 25mm Focal Length Green Series M16 Lens, Distortion Plot

#54-855, f/2.1, 25mm Focal Length Green Series M16 Lens, Relative Illumination Plot

#54-855, f/2.1, 25mm Focal Length Green Series M16 Lens, Working Distance versus Field of View Plot

#54-855, f/2.1, 25mm Focal Length Green Series M16 Lens, Modulated Transfer Function (MTF) Plot, 250mm Working Distance, f2.1

#54-855, f/2.1, 25mm Focal Length Green Series M16 Lens, Depth of Field Plot, 250mm Working Distance, f2.1

Technical Information

Dimensions (mm)
Focal Length	A	B	C**	D	Mounting Thread
6.00	14.0	11.70	4.0 - 3.9	3.5	M12 x 0.5
8.00	14.0	20.40	8.9 - 8.7	6.0	M12 x 0.5
12.00	16.0	19.50	7.1 - 6.75	6.0	M12 x 0.5
25.00	18.0	24.40	12.6 - 11.9	9.0	M16 x 0.5

**Minor adjustment required to match WD limits.