TZM0745A Series Continuous Zoom Objective
Product Introduction
TZM0745A is a high-performance continuous zoom monocular objective, providing a zoom range of 0.7X-4.5X, with a numerical aperture (NA) of 0.018-0.078, and resolution reaching 6 µm - 4.3 µm. This product features dual-end parallel optical modular design, supporting various auxiliary lens and TV lens configurations.
Model: TZM0745A
Series: MZO-0745A
Zoom
Range: 0.7X-4.5X
Numerical Aperture
(NA): 0.018-0.078
Resolution: 6 µm - 4.3 µm
Working
Distance: 5-160 mm
Max
Sensor: 2/3"
Interface
Type: C-Mount mon
Product Features
- Standard model TZM0745A-W100-TV100-A50, zoom range: 0.7X-4.5X
- Large zoom ratio: 5X
- High NA: 0.018-0.078 (using 1X auxiliary objective)
- High resolution: 6 µm - 4.3 µm (using 1X auxiliary objective)
- Large field of view: 25 mm - 34.28 mm
- Large image format, maximum compatible sensor size: 2/3 inch (using 1X TV lens)
- Working distance: 5 mm - 160 mm
- Parfocal throughout zoom process
- Compatible with infinity-corrected microscope objectives (both biological and metallurgical)
- Compact size: 150 mm × 40 mm (standard model)
- Optional auxiliary objectives: 0.50X, 0.75X, 1.00X, 1.50X, 2.00X
- Optional TV lenses: 0.50X, 0.75X, 1.00X, 1.50X, 2.00X
- Adjustable brightness LED ring light (optional)
- Adjustable brightness LED polarized ring light (optional)
- Adjustable brightness LED coaxial illumination (optional)
- High-brightness LED transmitted backlight (optional)
- 45 mm or 50 mm stand adapter (optional)
Product Details
TZM0745A Technical Specifications
| Optical Parameters | |
| Product Model | TZM0745A |
| Series | MZO-0745A |
| Zoom Range | 0.7X-4.5X |
| Numerical Aperture (NA) | 0.018-0.078 |
| Resolution | 6 µm - 4.3 µm |
| Working Distance | 5-160 mm |
| Imaging Parameters | |
| Max Sensor Size | 2/3" |
| Output Interface | C-Mount mon |
| Parfocal Characteristics | Completely parfocal throughout zoom range |
| Compatible Accessories | |
| Auxiliary Lenses | W050, W075, W100, W150, W200 |
| TV Lenses | TV050, TV075, TV100, TV150, TV200 |
| Light Modules | DRL, DRPL, CL, SL, TL |
TZM0745A Recommended Configuration Combinations
| Configuration Combination | Total Magnification | Field of View Range | Working Distance | NA Value | Resolution | Sensor |
|---|---|---|---|---|---|---|
| TZM0745A-W050-TV100 | 0.35X-2.25X | 20.1 mm - 3.2 mm | 160 mm | 0.018-0.051 | 18.2 µm - 6.2 µm | 2/3" |
| TZM0745A-W075-TV100 | 0.53X-3.37X | 13.1 mm - 2.1 mm | 105 mm | 0.027-0.067 | 13.4 µm - 5.2 µm | 2/3" |
| TZM0745A-W100-TV100 | 0.7X-4.5X | 10.0 mm - 1.6 mm | 80 mm | 0.034-0.078 | 9.1 µm - 4.3 µm | 2/3" |
| TZM0745A-W150-TV100 | 1.05X-6.75X | 6.7 mm - 1.1 mm | 51.5 mm | 0.052-0.12 | 6.3 µm - 2.8 µm | 2/3" |
| TZM0745A-W200-TV100 | 1.4X-9.0X | 5.0 mm - 0.8 mm | 37.5 mm | 0.067-0.16 | 5.0 µm - 2.1 µm | 2/3" |
Configuration combination naming convention: Objective Model-Auxiliary
Lens-TV Lens, e.g., TZM0756-W100-TV100 indicates configuration with 1×
auxiliary lens and 1× TV lens.
Accessory Selection Guide
Auxiliary Lens Selection
| Model | Magnification | Working Distance | Application Recommendations |
|---|
TV Lens Selection
| Model | Magnification | Max Sensor | Recommended Use |
|---|
Light Modules
DRL
LED ring light
DRPL
LED polarized ring light
CL
Coaxial illuminator
SL
Spot light
TL
Transmitted illumination module
Application Scenarios
Electronics Manufacturing
PCB inspection, chip package examination, solder joint quality analysis, and other visual inspection of precision electronic components
Biomedical
Cell observation, tissue section analysis, pathological diagnosis, and other life science research applications
Precision Manufacturing
Precision part dimensional measurement, surface defect detection, assembly quality control
Materials Science
Metallographic structure analysis, material surface morphology observation, coating quality detection
Selection Recommendations
- Low magnification observation (0.3×-2.5×): Select TZM0325, suitable for large field of view overall observation
- Standard magnification range (0.7×-5.6×): Select TZM0756 or TZM0745A, suitable for most inspection applications
- High magnification requirements (0.4×-8.0×): Select TZM0480, 20× zoom ratio, suitable for precision inspection
- Ultra-high magnification (1.5×-12×): Select TZM015120, suitable for minute detail observation
Technical Parameter Comparison
Select the model that best fits your application requirements
| Model | Zoom Range | Zoom Ratio | Max NA | Working Distance | Min FOV | Recommended Applications |
|---|---|---|---|---|---|---|
| TZM0756 | 0.7-5.6× | 8× | 0.092 | 37.5-160 mm | 0.99 mm | Universal for research and online inspection |
| TZM0480 | 0.4-8.0× | 20× | 0.12 | 86-174 mm | 0.9 mm | High-resolution imaging |
| TZM0880 | 0.8-8.0× | 10× | 0.11 | 86-174 mm | 0.89 mm | Micro component precision measurement |
Technical Advantages
Ultra-High Zoom Ratio
Up to 20× zoom ratio, single lens covers all observation needs from macro to micro
TZM0480: 20×
High Numerical Aperture
NA up to 0.12, near diffraction-limited MTF performance ensures imaging sharpness
Resolution: 2.5 μm
Ultra-Long Working Distance
Working distance up to 174 mm, providing ample operating space for probes and robotic arms
37-174 mm
Modular Design
Five major modules for flexible combination, one system meets multi-scenario requirements, reducing TCO
5 Modules
Configuration Solution Calculator
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Recommended Configuration Solution
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