Exploring Microscope Objectives
Optics play a crucial role in both cameras and microscopes, serving as the primary components that focus and magnify light to create clear and detailed images. Despite their shared fundamental principles, the objectives and lenses in these devices are tailored to meet distinct requirements based on their specific applications. This article delves into the objectives and lenses used in cameras and microscopes, highlighting their objectives, design, and functionalities.
Microscope objectives aim to magnify tiny specimens while maintaining high resolution and clarity. These lenses are crucial in scientific research and medical diagnostics, where observing fine details is essential.
Types of

Microscope Objectives
- EC Epiplan Plan Achromat Infinity Corrected Objectives
- A-Plan Plan Achromat Infinity Corrected Objectives
ZEISS EC Epiplan Plan Achromat Infinity Corrected Objectives
ZEISS EC Epiplan Plan Achromat Infinity Corrected Objectives are precision plan achromatic objectives designed for brightfield, fluorescence, and differential interference contrast (DIC) applications in material and reflected light microscopy. They deliver excellent color correction and exceptional flatness of field, ensuring sharp, high-contrast images across the entire viewing area.

- Enhanced Contrast, achieved by minimizing stray light within the optical system, ideal for reflected light brightfield imaging.
- Excellent Color Correction and Flatness of Field, providing accurate color reproduction and distortion-free imaging across the wide 23mm field number.
- Material Microscopy Standard, engineered to meet the ISO 19012-1:2013 requirements, ensuring consistent performance for industrial and scientific inspection.
- Range of Magnifications, available from 5X to 100X to cover both general inspection and detailed analysis tasks.
- Infinity Correction (ICS), designed for integration into modern infinity-corrected optical systems.
- Applications: high-precision material microscopy, metallography, quality control, fluorescence imaging, differential interference contrast studies, and reflected light inspection in industrial and research environments.
ZEISS A-Plan Plan Achromat Infinity Corrected Objectives
ZEISS A-Plan Plan Achromat Infinity Corrected Objectives are versatile, high-quality objectives engineered for a wide range of routine life science applications, especially in brightfield and fluorescence microscopy. These objectives deliver excellent color correction and flatness of field, adhering to ISO 19012-1:2013 standards to ensure reliable, distortion-free imaging.

- Excellent Color Correction and Flatness of Field, ensuring faithful color reproduction and sharpness across the entire field of view.
- Oil Immersion Options Available, allowing for increased numerical aperture and resolution when needed for detailed cellular imaging.
- Large Field Number (23mm), enabling fast and efficient screening of samples, which is ideal for high-throughput laboratory environments.
- Applications: Ideal for Brightfield and Fluorescence Applications, providing clear, accurate images of fixed and stained tissues or cells.
SEARCH:
- Choose a specific value to narrow down the table.
- The match must be exact
- For example: “UV”, “HR”, “100X”, “APO”
| Producer | Style | Magnification | Numerical Aperture NA: | Field Number (mm): | Focal Length (mm) | Working Distance (mm): | Specification |
|---|---|---|---|---|---|---|---|
| ZEISS 421020-9900-000 #13-814 ![]() | Infinity Corrected | 2.5X | 0.06 | 23 | 65.80 | 10.4 | Specification |
| ZEISS 421030-9900-000 #13-815 ![]() | Infinity Corrected | 5X | 0.12 | 23 | 33.00 | 10.1 | Specification |
| ZEISS 421040-9900-000 #13-816 ![]() | Infinity Corrected | 10X | 0.25 | 23 | 16.50 | 4.5 | Specification |
| ZEISS 421050-9900-000 #13-817 ![]() | Infinity Corrected | 20X | 0.45 | 23 | 8.20 | 0.46 | Specification |
| ZEISS 421060-9900-000 #13-818 ![]() | Infinity Corrected | 40X | 0.65 | 23 | 4.10 | 0.45 | Specification |
| ZEISS 421080-9900-000 #13-819 ![]() | Infinity Corrected | 63X | 0.8 | 23 | 2.60 | 0.3 | Specification |
| ZEISS 421090-9800-000 #13-820 ![]() | Infinity Corrected | 100X | 0.8 | 23 | 1.60 | 0.97 | Specification |
| ZEISS 421090-9902-000 #13-821 ![]() | Infinity Corrected | 100X | 1.25 | 23 | 1.60 | 0.22 | Specification |
| ZEISS 421020-9900-000 #13-822 ![]() | Infinity Corrected | 5X | 0.13 | 23 | 33.00 | 11.8 | Specification |
| ZEISS 421030-9900-000 #13-823 ![]() | Infinity Corrected | 10X | 0.25 | 23 | 16.50 | 11 | Specification |
| ZEISS 421040-9900-000 #13-824 ![]() | Infinity Corrected | 20X | 0.4 | 23 | 8.20 | 3.2 | Specification |
| ZEISS 421050-9900-000 #13-825 ![]() | Infinity Corrected | 40X | 0.6 | 23 | 4.10 | 2.2 | Specification |
| ZEISS 421060-9900-000 #13-826 ![]() | Infinity Corrected | 50X | 0.75 | 23 | 3.30 | 1 | Specification |
| ZEISS 421080-9900-000 #13-827 ![]() | Infinity Corrected | 100X | 0.85 | 23 | 1.60 | 0.87 | Specification |
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