F-1500 Collimator with 1500mm Focal Length

The F-1500 Collimator Tube is an instrument used to generate a large-diameter parallel light beam, with a wide range of applicataions.

F-1500 Collimator with 1500mm Focal Length

Detailed Description

Large-Aperture Optical Beam Generation
The YuLing collimator delivers a uniform, large-diameter parallel beam through its 1500 mm focal length system and Φ150 mm effective aperture. With ≤10″ beam parallelism and ≤0.9″ resolution, it establishes a stable optical reference for laboratory and field metrology. Its optical design allows selection of different reticle plates to perform precise alignment and optical axis calibration for lenses, mirrors, and objective systems.

Precision Collimator Lens And Optical Quality
The core optical system integrates a finely polished collimator lens optimized for the 380 nm–780 nm visible spectrum. It maintains focal accuracy within ±1% and minimizes wavefront errors. The structural design of the optical tube ensures rigidity and alignment consistency during prolonged testing, supporting demanding optical measurements where parallelism and focus stability are critical.

Functional Expansion Through Accessories
When equipped with optional modules such as reading microscopes, front mirrors, and resolution plates, the pinhole collimator can evaluate imaging resolution, focal length, surface flatness, and optical straightness. The instrument’s modular configuration supports diverse tasks—from evaluating lens quality to testing plane mirror reflectivity—enhancing versatility across optical production and research applications.

Product Advantages

High Stability And Measurement Accuracy
The optical axis of each collimator is verified by interferometric calibration to guarantee ≤10″ parallelism. Its robust aluminum alloy housing resists deformation and environmental fluctuation, ensuring long-term accuracy for optical testing, alignment, and instrument verification.

Enhanced Optical Transmission And Resolution
The multi-coated collimator lens minimizes reflection losses while improving contrast and clarity. This ensures bright, distortion-free illumination, enabling accurate observation of reticle patterns and resolution targets even under low-light conditions. The design achieves high image fidelity essential for advanced optical characterization.

Professional Collimator Manufacture And Customization
As a leading collimator manufacture, YuLing Technology provides customized optical configurations, including focal length adjustment, reticle plate selection, and mechanical interface modification. Each unit undergoes comprehensive inspection for alignment precision, spectral response, and durability, guaranteeing consistent performance across calibration facilities and production lines.

Applications:

The F-1500 Collimator Tube is an instrument used to generate a large-diameter parallel light beam, with a wide range of applications. By selecting different reticle plates and pairing it with various accessories such as observation microscopes, front mirrors, it can be used for the following purposes:

  1. As a fundamental tool for optical instrument alignment and adjustment.
  2. With the selection of a Borosilicate plate and paired with a reading microscope or measuring microscope, it can be used for measuring the intercepts and focal lengths of lenses and various objective lenses.
  3. With the selection of an appropriate resolution plate, and paired with an observation microscope and front mirror, it can be used for determining the resolution of lenses, prisms, plane mirrors, and various objective lenses, as well as for assessing image quality by observing resolution patterns.
  4. With the selection of an appropriate star pattern plate and paired with an observation microscope and front mirror, it can be used to evaluate the image quality of lenses, prisms, plane mirrors, and various objective lenses.
  5. By equipping the instrument with specialized mirrors and measuring eyepieces, it can be used to measure straightness or flatness deviations of rails and large flat surfaces.
  6. As a tool for aiming at long-distance targets.

Additionally, the F Series Collimator Tubes are essential test reference components for optical material uniformity checks and the calibration of various optical mounts. Therefore, they are commonly used in the production, research, and teaching of optical instruments.

Working Principle:

As shown in the figure below, the reticle serving as the target is uniformly illuminated by light source 1 through various color filters 2. If the reticle 3 is correctly positioned at the focal plane of the objective lens 4, the light emitted from the objective lens forms a parallel light beam, which is equivalent to light originating from infinity.

Optical path diagram:

Standard Components:

Collimator Main Unit:  1 piece(Equipped with a fine-tuning foot bracket)
Filters: 2 pieces (Orange, center wavelength 600nm; Green, center wavelength 532nm)
Attenuator: 1 piece (Neutral Attenuator 430–730nm)
Visible Reticles:  13 piece(Crosshair Reticles*1,Resolution Reticles*6 :1#2#/3#/4#/5#/USAF1951,Star Point Reticles*5: 0.1/.01/0.2/0.02/0.05,Porro Board*1)
DC voltage stabilizing power supply: 1 piece (Output voltage:0-30V,Output current:0-5A)
Light Source Assembly: 1 set (12V30W halogen light source)

External dimensions:(Unit: mm)


About Us

YuLing Technology is a specialized optical instrument manufacturer based in Chongqing, China, with an R&D center in Xi’an. The company focuses on optical metrology instruments such as collimators, autocollimators, optical benches, and calibration systems. YuLing’s engineering expertise spans optical design, mechanical fabrication, and electronic integration, providing precise solutions for aerospace, defense, and industrial testing sectors. Upholding the values of integrity and quality, YuLing ensures that each optical product meets rigorous performance standards while offering professional technical support and long-term service reliability.
Contact YuLing for optical calibration solutions tailored to your testing requirements today!

FAQ – Frequently Asked Questions

How does the YuLing collimator achieve precise parallelism?
Each instrument is calibrated using interferometric alignment to maintain ≤10″ beam parallelism throughout its optical axis.

Can the collimator lens operate across different wavelengths?
Yes, it supports the 380 nm–780 nm visible range, suitable for general optical and imaging applications.

Is the pinhole collimator module adjustable or replaceable?
The module is interchangeable with various reticle and star pattern plates, allowing multiple testing configurations.

What is the expected production cycle for this model?
Standard production takes approximately four to six weeks, depending on customization and accessory requirements.

Does YuLing provide maintenance or recalibration services?
Yes, YuLing offers optical cleaning, recalibration, and verification services to maintain measurement accuracy.

 

Specification Data

Title   Content
  Focal Length   1500mm(±1%)
  Effective caliber   Φ150mm
 Field of view   ≥1°4′
  Resolution   ≤0.9″
  Parallelism   ≤10″
  Available Bands   380nm-780nm
Scroll to Top