Canon RF 100mm f/2.8L Macro vs. EF 180mm f/3.5L Macro: Which One Should You Choose?
Macro photography is an art form that requires precision, detail, and the right equipment. Canon has long been a leader in this field, offering a range of macro lenses that cater to different needs. Two of their most notable macro lenses are the Canon RF 100mm f/2.8L Macro IS USM and the Canon EF 180mm f/3.5L Macro USM.
Both lenses are designed for capturing stunning close-ups, but they cater to different types of photographers. The RF 100mm f/2.8L Macro is optimized for mirrorless cameras, featuring image stabilization and 1.4x magnification, while the EF 180mm f/3.5L Macro is a telephoto macro lens that offers more working distance for DSLR users.
This comprehensive guide will compare these two lenses in-depth, highlighting their features, strengths, weaknesses, and best use cases to help you determine which one is right for you.
Key Specifications
Feature | Canon RF 100mm f/2.8L Macro | Canon EF 180mm f/3.5L Macro |
---|---|---|
Mount | RF (Mirrorless) | EF (DSLR) |
Focal Length | 100mm | 180mm |
Maximum Aperture | f/2.8 | f/3.5 |
Minimum Focusing Distance | 0.26m (10.2 in) | 0.48m (18.9 in) |
Maximum Magnification | 1.4x | 1.0x |
Image Stabilization | Yes (Hybrid IS) | No |
Autofocus Motor | Dual Nano USM | USM |
Weight | 730g | 1,090g |
Filter Size | 67mm | 72mm |
Price | ~$1,299 | ~$1,399 |
1. Optical Performance & Image Quality
Both lenses offer exceptional sharpness and detail, making them ideal for professional macro photography. However, there are some key differences:
RF 100mm f/2.8L Macro
- Features Canon’s latest optical advancements, minimizing chromatic aberration and distortion.
- Offers 1.4x magnification, which provides more detail than standard 1.0x macro lenses.
- Excellent contrast and color accuracy, making it ideal for portrait macro photography.
- Faster aperture (f/2.8) allows for better low-light performance.
EF 180mm f/3.5L Macro
- The longer 180mm focal length provides better subject isolation.
- Standard 1.0x magnification with true 1:1 macro capability.
- Superior working distance, which is useful for shooting insects and small wildlife.
- The smaller aperture (f/3.5) means slightly less light intake, making it less ideal for low-light shooting.
Winner: RF 100mm f/2.8L Macro (better magnification and newer optics).

2. Autofocus & Image Stabilization
RF 100mm f/2.8L Macro
- Equipped with Dual Nano USM autofocus, ensuring fast, smooth, and silent focusing.
- Features Hybrid Image Stabilization (IS), reducing blur and allowing sharp handheld macro shots.
- Excellent for both photo and video use.
EF 180mm f/3.5L Macro
- Uses older USM autofocus, which is slower and noisier compared to modern Canon lenses.
- No built-in image stabilization, making it less ideal for handheld shooting.
- Works best with a tripod for maximum sharpness.
Winner: RF 100mm f/2.8L Macro (faster autofocus and built-in IS for handheld shooting).
3. Handling & Portability
Feature | RF 100mm f/2.8L Macro | EF 180mm f/3.5L Macro |
Weight | 730g | 1,090g |
Size | Compact | Bulkier |
Filter Thread | 67mm | 72mm |
Best for | Handheld use | Tripod shooting |
- The RF 100mm is lighter and more compact, making it easier for handheld shooting and travel photography.
- The EF 180mm is bulkier and best suited for tripod-mounted work.
Winner: RF 100mm f/2.8L Macro (lighter and more portable).
4. Practical Use Cases
Use Case | RF 100mm f/2.8L Macro | EF 180mm f/3.5L Macro |
Insect Photography | Good (1.4x magnification) | Excellent (longer working distance) |
Portrait Macro | Excellent (f/2.8, beautiful bokeh) | Decent (requires more space) |
Handheld Shooting | Excellent (IS, lightweight) | Poor (tripod recommended) |
Low-Light Macro | Excellent (f/2.8, IS) | Decent (tripod needed) |
Product Photography | Excellent | Excellent |
- If you need handheld versatility, the RF 100mm is the best choice.
- If you shoot insects and need a longer working distance, go for the EF 180mm.
Winner: Depends on your needs.

5. Price & Value for Money
- The RF 100mm f/2.8L Macro costs around $1,299, offering modern features, image stabilization, and better magnification.
- The EF 180mm f/3.5L Macro costs around $1,399, but lacks stabilization and has slower autofocus.
For most users, the RF 100mm offers better value for money.
Winner: RF 100mm f/2.8L Macro.
Final Verdict: Which One Should You Buy?
Choose the RF 100mm f/2.8L Macro if:
- You use a Canon RF mirrorless camera.
- You need image stabilization for handheld shooting.
- You want 1.4x magnification for extreme close-ups.
- You shoot videos and need fast, silent autofocus.
Choose the EF 180mm f/3.5L Macro if:
- You use a Canon DSLR.
- You shoot insects or small wildlife and need a longer working distance.
- You primarily use a tripod for macro photography.
- You prefer better subject isolation.
Final Thoughts
Both lenses are excellent choices for macro photography. However, for most users, the Canon RF 100mm f/2.8L Macro IS USM is the better investment due to its superior autofocus, image stabilization, and higher magnification. If you need a longer working distance for insect photography, the Canon EF 180mm f/3.5L Macro USM remains a solid option.
Would you like a comparison of sample images or additional insights? Let us know in the comments!