Canon EF-S 18-135mm f/3.5-5.6 IS USM
Yongnuo YN 50mm f/1.8 50mm
What Buyers Say
Canon EF-S 18-135mm f/3.5-5.6 IS USM
The Canon EF-S 18-135mm f/3.5-5.6 IS STM lens is widely praised as a versatile all-in-one walk-around lens for APS-C cameras. Users consistently highlight its silent and smooth STM autofocus, effective image stabilization, and useful zoom range that covers wide-angle to short telephoto. While image quality is considered very good for a kit-level zoom, some reviewers note softness at extreme focal lengths, barrel distortion at 18mm, and a variable aperture that limits low-light performance. Build quality is described as mostly plastic but adequate, though the focus-by-wire manual ring and occasional stiff zoom ring draw criticism.
Pros
- Silent and smooth STM autofocus
- Effective image stabilization
- Versatile 18-135mm zoom range
- Good image quality for a kit lens
- Lightweight and compact design
Cons
- Softness at extreme focal lengths
- Barrel distortion at 18mm
- Variable aperture limits low-light use
- Focus-by-wire manual ring
- Plastic build feels cheap
Yongnuo YN 50mm f/1.8 50mm
This 50mm f/1.8 lens is widely praised as an excellent value-for-money prime lens for beginners and hobbyists. Users highlight its sharp foreground focus and pleasing bokeh, making it ideal for portraits and product shots. The build quality feels cheap and the autofocus is noisy and slow, but most agree the optical performance far exceeds the low price. A few issues with durability and incompatibility with newer lens hoods were noted.
Pros
- Excellent value for money
- Sharp foreground focus
- Pleasing bokeh effect
- Great for portraits
- Lightweight and compact
Cons
- Noisy autofocus
- Slow autofocus
- Cheap build quality
- Durability concerns
- Incompatible with newer lens hoods
Scores
Specifications
| Canon EF-S 18-135mm f/3.5-5.6 IS USM | Yongnuo YN 50mm f/1.8 50mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 50 mm |
| Focal Length Max | 135 mm | 50 mm |
| Elements | 16 | 8 |
| Groups | 12 | 7 |
| Aspherical Elements | 1 | 1 |
| ED Elements | 1 | 1 |
| Coating | Super Spectra Coating | Multi-Coated |
| Aperture | ||
| Max Aperture | f/3.5 | f/16 |
| Min Aperture | 3.5-5.6 | f/1.8 |
| Constant | ✗ | ✗ |
| Diaphragm Blades | 7 | 7 |
| Build | ||
| Mount | Canon EF-S | Sony E |
| Format | APS-C | APS-C |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.52 kg | 0.16 kg★ |
| Filter Thread | 67 mm | 58 mm |
| AF & Stabilization | ||
| AF Type | NANO USM★ | Autofocus |
| Stabilization | ✓★ | ✗ |
| Stabilization Stops | 4 stops★ | — |
| Focus | ||
| Min Focus Distance | 390 mm★ | 450 mm |
| Max Magnification | 0.28x | 1:6.67★ |
Pros & Cons
Canon EF-S 18-135mm f/3.5-5.6 IS USM
- Strong versatility (96th percentile)96th %ile
- Strong af (93rd percentile)93rd %ile
- Strong stabilization (92nd percentile)92nd %ile
- Strong aperture (82nd percentile)82nd %ile
- Below average user sentiment (30th percentile)
Yongnuo YN 50mm f/1.8 50mm
- Strong build (95th percentile)95th %ile
- Strong social proof (76th percentile)
- Below average user sentiment (30th percentile)
- Below average bokeh (31st percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
Canon EF-S 18-135mm f/3.5-5.6 IS USM
No current pricing available
Yongnuo YN 50mm f/1.8 50mm
Verdict
Scores 86 overall, wins 9 of 9 usage categories and 4 of 22 specs.