ZLY Technology KD-8518C 85mm
ZLY Technology
38 Overall Score
vs
Sigma Contemporary 30mm f/1.4 DC DN 30mm
Sigma
82 Overall Score
What Buyers Say
ZLY Technology KD-8518C 85mm
No customer feedback yet
Sigma Contemporary 30mm f/1.4 DC DN 30mm
82 out of 100 high confidence 245 reviews
The Sigma 30mm f/1.4 DC DN Contemporary lens is widely praised for its exceptional sharpness, fast f/1.4 aperture, and beautiful bokeh, making it a favorite for low-light and portrait photography on APS-C cameras. Users consistently highlight its solid build quality and excellent value for money. However, some reviewers report inconsistent autofocus, particularly at longer distances, and occasional chromatic aberration or vignetting wide open. A few copies have exhibited noisy or unreliable AF motors, especially in video mode.
Pros
- Exceptional sharpness
- Fast f/1.4 aperture
- Beautiful bokeh
- Solid build quality
- Excellent value for money
Cons
- Inconsistent autofocus at distance
- Chromatic aberration wide open
- Vignetting wide open
- Noisy AF motor in some copies
- Soft corners at f/1.4
Image quality 45
Autofocus performance 30
Build quality 28
Low light performance 25
Value for money 22
Bokeh 18
Scores
Portrait
Street
Video Cinema
Professional
Travel
Macro
Budget
Landscape
Wildlife Sports
Specifications
| ZLY Technology KD-8518C 85mm | Sigma Contemporary 30mm f/1.4 DC DN 30mm | |
|---|---|---|
| Optics | ||
| Type | telephoto | prime |
| Focal Length Min | 85 mm | 30 mm |
| Focal Length Max | 85 mm | 30 mm |
| Elements | 6 | 9 |
| Groups | 6 | 7 |
| Aspherical Elements | 1 | 2★ |
| ED Elements | — | 5★ |
| Coating | ultra multi-coating (UMC) | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/85 | f/1.4 |
| Min Aperture | f/1.8 | f/1.4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 6 | 9★ |
| Build | ||
| Mount | Canon RF | Nikon F |
| Format | full-frame★ | APS-C |
| Weather Sealed | — | ✓★ |
| Weight | 0.50 kg | 0.27 kg★ |
| Filter Thread | — | 52 mm |
| AF & Stabilization | ||
| AF Type | manual focus only | HSM |
| Stabilization | ✓★ | ✗ |
| Focus | ||
| Min Focus Distance | 85 mm★ | 300 mm |
| Max Magnification | — | 1:7.14★ |
Pros & Cons
ZLY Technology KD-8518C 85mm
- Strong macro (92nd percentile)92nd %ile
- Strong stabilization (79th percentile)
- Strong social proof (69th percentile)
- Below average bokeh (1st percentile)1st %ile
- Below average aperture (1st percentile)1st %ile
- Below average af (15th percentile)15th %ile
- Below average versatility (33rd percentile)
Sigma Contemporary 30mm f/1.4 DC DN 30mm
- Strong aperture (98th percentile)98th %ile
- Strong bokeh (97th percentile)97th %ile
- Strong social proof (94th percentile)94th %ile
- Strong build (87th percentile)87th %ile
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Pricing
ZLY Technology KD-8518C 85mm0.014score per dollar
vs
Sigma Contemporary 30mm f/1.4 DC DN 30mm0.011score per dollar
ZLY Technology KD-8518C 85mm offers 1.3x better value for money
Verdict
Winner: Sigma Contemporary 30mm f/1.4 DC DN 30mm
Scores 82 overall, wins 9 of 9 usage categories and 6 of 21 specs.
