3D Stereo Vision Optics — Matched Pairs & Profiler Lenses

Optics for Stereo Vision Cameras: Matched Pairs, Not Random Lenses

Depth accuracy starts at the glass. Lensmind supplies factory-matched stereo lens pairs (K3005A / Q1356) and 3D laser profiler optics (K2540A / K2569A) for stereo vision cameras and laser line scanners — magnification, distortion and axis consistency controlled before your calibration ever runs.

K3005A / Q1356 Matched Pairs K2540A / K2569A Profiler Optics Per-Pair Test Records ISO 9001 Factory

Lensmind K3005A matched stereo lens pair for stereo vision cameras, factory-paired for depth accuracy

Capability / OEM console

3D stereo and profiler optics are quoted as matched pairs and program builds. No official catalog sheet — and no invented model table on this page.

Passive Stereo or Laser Line: The First Decision in 3D Machine Vision

Passive stereo: two synchronized cameras, depth from disparity, color and texture for free. Active laser line: a projected line, triangulation, dense height on untextured metal. We build optics for both routes as OEM programs — there is no official 3D SKU sheet on this site.

Why matching is bought at the lens →

Lensmind K3005A 3d stereo vision binocular lens, product photo by Lensmind Optics

Stereo Depth Accuracy Is Bought at the Lens, Not the Software

Depth follows Z = f × B / d. Magnification mismatch, distortion-curve mismatch or axis deviation becomes disparity error, then Z-error. Factory-matched pairs are verified as a pair on Trioptics centration and the MTF bench; per-pair records ship with the order. Exact prescriptions are quoted per sensor and baseline — not listed as a fake catalog table.

Request a matched-pair proposal →

Lensmind K2540A 3d laser profiler lens, precision optics manufactured by Lensmind

K2540A & K2569A — Optics for Laser Line Scanners

Profiler optics hold triangulation geometry between projected line and sensor — high-contrast line reproduction across the measurement volume, on top of line-scan-grade imaging. Hardware on the bench is real; parameters are program-quoted, not sheet-invented.

2D line scan is a different family →

Precision lens manufacturing line at Lensmind factory

Dimensional Measurement, Defect Detection, Logistics Sorting

Coplanarity and pin geometry — matched stereo, symmetrical disparity.
Untextured metal / weld beads — laser line height profiles.
Parcel/pallet dimensioning and bin picking — single-shot stereo, optional liquid autofocus.

Send sensor, baseline, working range and Z target. Five questions on texture, single-shot need, baseline, Z budget and mixed tasks pick the route.

Send sensor + baseline →

Hardware on the bench

K3005A & Q1356 — Factory-Paired Binocular Optics

Real standing hardware used in OEM stereo and profiler programs. Specifications are issued per pair against your sensor, baseline and working range — this is not a 14-row datasheet family.

Lensmind K3005A matched stereo lens pair for stereo vision cameras

K3005A — compact stereo stations

Lensmind Q1356 3d stereo vision binocular lens

Q1356 — wider baseline / longer WD

K2540A — laser profiler optics

K2569A — laser profiler optics

3D Stereo Optics FAQ

Questions 3D System Builders Ask

Do matched stereo lens pairs really improve 3D accuracy over two off-the-shelf lenses?

Yes. Depth error in stereo vision scales with matching error between the two views. When magnification, distortion and optical axis are matched at the factory, the residual after stereo calibration is smaller and stays smaller over temperature and vibration.

Stereo vision camera or laser line scanner — which should I choose?

Passive stereo recovers depth from disparity between two synchronized views and suits textured scenes and volumetric tasks; a laser line scanner projects a line and triangulates height, delivering dense profiles independent of surface texture but needing encoder-triggered motion. Use the use-case console on this page; many lines run both routes from one OEM program.

How do baseline, focal length and resolution affect depth accuracy?

Stereo depth follows Z = f x B / d: depth error shrinks as focal length f, baseline B and disparity resolution d improve. Longer baselines and longer focal lengths buy accuracy at the cost of field of view and station size — the causal-chain section walks the trade.

Which models do you offer for 3D machine vision?

Matched stereo pairs K3005A and Q1356, and 3D laser profiler optics K2540A and K2569A, covering passive binocular and active laser-line 3D from one supplier.

Do you also supply optics for laser line scanners and structured light?

Yes: K2540A and K2569A cover laser-line imaging paths, and the matched pairs support projected-pattern structured-light stations where channel bandwidth and field consistency must match.

Can you match optics to my sensor and baseline?

Yes. Send sensor format, baseline and working range; we confirm coverage and pairing feasibility as part of the selection review.

What calibration support do you provide?

Per-pair optical test records ship with delivery, and our engineers support your stereo vision camera calibration workflow with the optical data behind the pair.

What happens when a pair is replaced in the field?

Replacement pairs ship under the same 10K+ batch-consistency discipline, so behavior stays aligned with the original design. Field spare-pair policy: to be confirmed with the client.

Are K3005A and Q1356 sold as pairs only?

For stereo builds we supply and verify them as pairs; single-lens supply follows standard catalog terms. Supply format details: to be confirmed with the client.

Which applications fit these optics?

Coplanarity and dimensional measurement in electronics assembly, defect detection on machined surfaces, and logistics volumetric measurement and sorting — the use-case console maps each task to a stereo or profiler path.

How do profiler optics differ from a line scan camera lens?

A 2D line scan lens images a line for surface inspection at high speed; laser profiler optics must also hold the triangulation geometry between projected line and sensor, controlling perspective and field curvature across the measurement volume. The requirements sit on top of line-scan-grade imaging.

Lead time and terms?

Catalog models per standard terms; custom-matched builds run 60 working days prototype-to-mass-production and 30 days on repeat, NDA-protected with tooling stored free for 5 years.

Lensmind Lab & Factory

Measured, Not Claimed — Data from Our Lab

Every claim on this page is backed by measurement. Below: the metrology instruments in our quality lab, optical bench and Zemax simulation records, and the production floor that builds and signs off every batch.

Metrology instruments