RF4 0.5X Microscope Objective Lens – Wide-Field Auxiliary Optics
Boost your stereo microscope’s versatility with the RF4 0.5x Microscope Objective Lens, an essential auxiliary optical accessory for repair shops, laboratories, classrooms and inspection stations. This 0.5× objective significantly reduces overall magnification while doubling the effective field of view, giving you a broader and clearer inspection area without sacrificing image clarity.
Crafted with high-quality optical glass and a durable metal barrel, the RF4 0.5x lens is easy to use — just screw it onto existing microscope objective threads to expand your viewing range effortlessly. The design also increases working distance up to ~165 mm, providing extra room for tools and manipulation during soldering, PCB repair or assembly tasks.
Whether paired with a binocular or trinocular stereo microscope, this auxiliary objective lens offers a wider, more comfortable viewing experience, helping techs inspect larger objects, align components and verify repairs with less need for constant refocusing. It’s a simple yet powerful upgrade for users seeking greater efficiency and flexibility during detailed inspection and repair workflows.
⭐ Key Features
- 0.5× Magnification Power — Expands field of view while lowering magnification.
- Extended Working Distance — Up to ~165 mm for easier manipulation and tooling.
- Screw-On Installation — Fits standard auxiliary lens threads on most stereo microscopes.
- High-Quality Optical Glass — Ensures clear, crisp imaging.
- Broad Compatibility — Works with binocular & trinocular stereo microscopes.
- Field-of-View Enhancement — Ideal for inspection, repair & assembly work.
- Durable Metal Housing — Built for frequent daily use.
- Improves Efficiency — See more without shifting or refocusing.
- Compact & Lightweight — Easy to store and swap when needed.
- Cost-Effective Upgrade — Enhances existing microscopes without replacing them.
⚙️ Technical Specifications
| Specification | Details |
|---|---|
| Brand | RF4 |
| Model | 0.5x Microscope Objective Lens |
| Magnification | 0.5× (auxiliary) |
| Working Distance | Approx. 165 mm |
| Mount Thread | 1-7/8″ (48 mm) |
| Material | Optical glass + metal housing |
| Applicable Microscope Type | Binocular & trinocular stereo microscopes |
| Color | Black |
| Item Type | Auxiliary objective lens |
| Installation | Screw-on |
| Weight | ~0.15 kg |
| Package Includes | 1 × RF4 0.5× microscope objective lens |






















