VS-LDA low-distortion machine-vision lens family | Low-distortion imaging across wide magnification and working-distance ranges

Inspection fit

Low-distortion imaging across wide magnification and working-distance ranges

Ten lens-shift designs cover 4–75 mm focal lengths, 1/2- to 2/3-inch sensors and model-specific magnification and working-distance ranges while controlling TV distortion.

Models: 10; VS-LDA4 through VS-LDA75
Focal lengths: 4–75 mm; Model range
Sensor coverage: 1/2–2/3 inch; Model-dependent
Magnification: 0.01×–0.5×; Family range
TV distortion: model-specific; Approximately −0.24% to 0.16%

Optical characteristics

Large internal lens shift helps control distortion with extension tubes
Wide choice of magnification and working-distance ranges
Models for 1/2-inch and 2/3-inch sensors
Working F-number and distortion values stated per model

Suitable inspection tasks

Low-distortion factory-automation imaging
Dimensional and position inspection
Inspection layouts that use extension tubes
Applications requiring model-specific working distance and depth-of-field tuning

Model selection

Match focal length, magnification, working distance and sensor in one row

Start with the sensor and required field of view, then compare optical and mechanical constraints within one complete model row.

Model code structureVS-LDA25

VS: VST machine-vision lens prefix
LDA: Low-distortion lens-shift family
25: Focal-length model designation

1
Define sensor and required field
Record sensor format, pixel size, inspection width and smallest feature.
2
Choose the optical geometry
Compare focal length or magnification with the listed working distance.
3
Check image quality limits
Review distortion, relative illumination, aperture and the retained performance plots.
4
Release one complete row
Keep mount, filter, body and optical values associated with the chosen model.

Model parameters
Model	Focal length	Optical magnification range	WD	Working F/#	TV distortion	Max sensor
VS-LDA4	4 mm	infinity / 0.01–0.04×	403.2–92.7 mm	2.1	−0.23% to −0.24%	1/2 inch
VS-LDA6.5	6.5 mm	infinity / 0.01–0.06×	653.2–95.2 mm	2.3	0.16% to −0.18%	1/2 inch
VS-LDA10	10 mm	infinity / 0.03–0.10×	330.2–91.0 mm	2.3–2.4	0.03% to −0.04%	1/2 inch
VS-LDA15	15 mm	infinity / 0.03–0.15×	489.2–88.9 mm	2.1–2.2	−0.01% to −0.09%	2/3 inch
VS-LDA20	20 mm	0.04–0.22×	510.3–86.6 mm	2.1–2.3	−0.01% to −0.17%	2/3 inch
VS-LDA25	25 mm	0.05–0.25×	508.2–100.2 mm	2.1–2.6	0.06% to −0.06%	2/3 inch
VS-LDA30	30 mm	0.08–0.23×	381.6–141.5 mm	2.4–2.8	0.08% to −0.06%	2/3 inch
VS-LDA35	35 mm	0.3–0.5×	142.9–96.1 mm	2.5–2.9	0.02% to 0.00%	2/3 inch
VS-LDA50	50 mm	0.1–0.25×	512.4–221.5 mm	2.7–3.1	0.03% to 0.00%	2/3 inch
VS-LDA75	75 mm	0.15–0.35×	527.5–245.6 mm	4.1–4.5	0.03% to −0.01%	2/3 inch

Working-distance endpoints follow the product record and align with the magnification endpoints in the same row.

PRODUCT FAQ

Questions to confirm before choosing VS-LDA low-distortion machine-vision lens family

What is VS-LDA low-distortion machine-vision lens family used for?

VS-LDA low-distortion machine-vision lens family is a Lens option for machine vision inspection projects where the optical setup needs to be matched to the part, defect, camera, lens, working distance, and production constraints.

How can I discuss whether VS-LDA low-distortion machine-vision lens family fits my inspection task?

Check the specification table, compare the feature and application notes, then share sample images, drawings, field of view, working distance, exposure, trigger mode, and speed requirements for model selection support.

Can VS-LDA low-distortion machine-vision lens family be quoted or configured for a specific project?

Use the enquiry form with the model code and project constraints. Dimensions, wavelength, cabling, mounting, controller mode, and related accessories can be confirmed against the real inspection condition.

DIRECT ENQUIRY

Get a Customized Quotation

Need specific dimensions, custom wavelength LED combinations, or special cabling? Our optical engineering and sales offices are ready to assist.

Sales contact

Response path: Include the inspection constraints with your enquiry

Sample Testing Support

Share target workpiece samples, drawings, and imaging requirements so the lighting setup can be discussed against real inspection constraints.

Engineering Inquiry & Selection Support

Select your request type below. Our optical engineering and sales team replies directly with technical feedback, quotation, or sample loan procedures.

All inspection requirements, target drawings, and sample test images remain strictly confidential.

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Model parameters

Model

Focal length

Optical magnification range

Working F/#

TV distortion

Max sensor

VS-LDA4

4 mm

infinity / 0.01–0.04×

403.2–92.7 mm

2.1

−0.23% to −0.24%

1/2 inch

VS-LDA6.5

6.5 mm

infinity / 0.01–0.06×

653.2–95.2 mm

2.3

0.16% to −0.18%

1/2 inch

VS-LDA10

10 mm

infinity / 0.03–0.10×

330.2–91.0 mm

2.3–2.4

0.03% to −0.04%

1/2 inch

VS-LDA15

15 mm

infinity / 0.03–0.15×

489.2–88.9 mm

2.1–2.2

−0.01% to −0.09%

2/3 inch

VS-LDA20

20 mm

0.04–0.22×

510.3–86.6 mm

2.1–2.3

−0.01% to −0.17%

2/3 inch

VS-LDA25

25 mm

0.05–0.25×

508.2–100.2 mm

2.1–2.6

0.06% to −0.06%

2/3 inch

VS-LDA30

30 mm

0.08–0.23×

381.6–141.5 mm

2.4–2.8

0.08% to −0.06%

2/3 inch

VS-LDA35

35 mm

0.3–0.5×

142.9–96.1 mm

2.5–2.9

0.02% to 0.00%

2/3 inch

VS-LDA50

50 mm

0.1–0.25×

512.4–221.5 mm

2.7–3.1

0.03% to 0.00%

2/3 inch

VS-LDA75

75 mm

0.15–0.35×

527.5–245.6 mm

4.1–4.5

0.03% to −0.01%

2/3 inch

Questions to confirm before choosing VS-LDA low-distortion machine-vision lens family

Low-distortion imaging across wide magnification and working-distance ranges

Optical performance and model-specific limits

Match focal length, magnification, working distance and sensor in one row

Define sensor and required field

Choose the optical geometry

Check image quality limits

Release one complete row

Validate the extension-tube configuration and real working distance

Sensor

Operating point

Extension tubes

Image validation

Questions to confirm before choosing VS-LDA low-distortion machine-vision lens family

What is VS-LDA low-distortion machine-vision lens family used for?

How can I discuss whether VS-LDA low-distortion machine-vision lens family fits my inspection task?