Sigma DG OS 70-300mm f/4-5.6 DG Macro
Canon RF-S 10-18mm f/4.5-6.3 IS STM
What Buyers Say
Sigma DG OS 70-300mm f/4-5.6 DG Macro
This Sigma 70-300mm lens is widely praised for its excellent value, delivering sharp images, good bokeh, and a useful macro function at a budget price. Many users note it's ideal for amateur photographers, though the autofocus can be slow and noisy, and image quality softens slightly at 300mm without a tripod. Overall, it's considered a fantastic performance-to-price winner for those not needing professional-grade telephoto capabilities.
Pros
- Excellent value for money
- Sharp image quality
- Good bokeh effect
- Useful macro function
- Solid build quality
Cons
- Slow autofocus in low light
- Noisy autofocus motor
- Softness at 300mm without tripod
- Rotating front element for polarizers
- Weighty for long hikes
Canon RF-S 10-18mm f/4.5-6.3 IS STM
The Canon RF-S 10-18mm f/4.5-6.3 IS STM lens is widely praised for its sharpness, compact size, and excellent value, especially for landscape and travel photography on APS-C cameras like the R7 and R50. Users appreciate the image stabilization and quiet autofocus, though some note the slow aperture limits low-light performance without flash or tripod. A few wish for closer focusing, but overall it's seen as a versatile, lightweight wide-angle zoom that delivers impressive results for its price.
Pros
- Sharp image quality
- Compact and lightweight design
- Excellent value for money
- Effective image stabilization
- Quiet and smooth autofocus
Cons
- Slow maximum aperture (f/4.5-6.3)
- Limited low-light performance without flash
- No lens hood included
- Not recommended for full-frame cameras
- Some desire closer focusing distance
Scores
Specifications
| Sigma DG OS 70-300mm f/4-5.6 DG Macro | Canon RF-S 10-18mm f/4.5-6.3 IS STM | |
|---|---|---|
| Optics | ||
| Type | telephoto | wide-angle |
| Focal Length Min | 70 mm | 10 mm |
| Focal Length Max | 300 mm | 18 mm |
| Elements | 14 | 12 |
| Groups | 10 | 10 |
| Aspherical Elements | — | 1★ |
| ED Elements | 3★ | 2 |
| Coating | Super Multi-Layer Coated | Super Spectra coating |
| Aperture | ||
| Max Aperture | f/4 | f/32 |
| Min Aperture | 4-5.6 | 4.5-6.3 |
| Constant | ✗ | ✗ |
| Diaphragm Blades | 9★ | 7 |
| Build | ||
| Mount | Nikon F | Canon RF |
| Format | full-frame★ | APS-C |
| Weather Sealed | — | ✗ |
| Weight | 0.55 kg | 0.15 kg★ |
| Filter Thread | 58 mm | 49 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | STM★ |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 950 mm | 140 mm★ |
| Max Magnification | 1:2★ | 0.23x |
Pros & Cons
Sigma DG OS 70-300mm f/4-5.6 DG Macro
- Strong versatility (91st percentile)91st %ile
- Strong bokeh (83rd percentile)83rd %ile
- Strong social proof (81st percentile)81st %ile
- Strong stabilization (79th percentile)
Canon RF-S 10-18mm f/4.5-6.3 IS STM
- Strong stabilization (92nd percentile)92nd %ile
- Strong build (89th percentile)89th %ile
- Strong social proof (86th percentile)86th %ile
- Strong af (85th percentile)85th %ile
- Below average bokeh (3rd percentile)3rd %ile
- Below average aperture (5th percentile)5th %ile
Pricing
Sigma DG OS 70-300mm f/4-5.6 DG Macro offers 1.3x better value for money
Verdict
Both products are closely matched - Sigma DG OS 70-300mm f/4-5.6 DG Macro wins 4 specs while Canon RF-S 10-18mm f/4.5-6.3 IS STM wins 5.
