Pentax HD Pentax-D FA 50mm f/1.4 50mm
Pentax
44 Overall Score
vs
Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
99 Overall Score
What Buyers Say
Pentax HD Pentax-D FA 50mm f/1.4 50mm
No customer feedback yet
Sigma Contemporary 18-50mm f/2.8 DC DN
88 out of 100 high confidence 91 reviews
The Sigma 18-50mm f/2.8 DC DN Contemporary is widely praised as a compact, lightweight, and sharp standard zoom for APS-C mirrorless cameras. Users consistently highlight its excellent image quality, fast f/2.8 aperture, and affordable price as major strengths, making it a popular upgrade from kit lenses. Common criticisms include the lack of optical stabilization and a poorly designed lens hood, but overall sentiment is overwhelmingly positive.
Pros
- Excellent image sharpness
- Compact and lightweight design
- Fast f/2.8 constant aperture
- Great value for the price
- Fast and silent autofocus
Cons
- No optical image stabilization
- Poorly designed lens hood
- No weather sealing
- Plastic build quality
- Zoom ring direction opposite to Fujifilm
Image quality 25
Build quality 12
Value for money 18
Size and weight 20
Autofocus performance 10
Stabilization 8
Scores
Travel
Macro
Street
Budget
Professional
Portrait
Video Cinema
Landscape
Wildlife Sports
Specifications
| Pentax HD Pentax-D FA 50mm f/1.4 50mm | Sigma Contemporary 18-50mm f/2.8 DC DN | |
|---|---|---|
| Optics | ||
| Type | prime | zoom |
| Focal Length Min | 50 mm | 18 mm |
| Focal Length Max | 50 mm | 50 mm |
| Elements | 7 | 13 |
| Groups | 6 | 10 |
| Aspherical Elements | 1 | 3★ |
| ED Elements | 1 | 1 |
| Coating | Multilayer HD Coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/22 | f/2.8 |
| Min Aperture | f/1.4 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 8★ | 7 |
| Build | ||
| Mount | Pentax K | Sony E |
| Format | full-frame★ | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.91 kg | 0.29 kg★ |
| Filter Thread | 49 mm | 55 mm |
| AF & Stabilization | ||
| AF Type | Autofocus | stepping motor★ |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 450 mm | 121 mm★ |
| Max Magnification | 1:6.67 | 1:2.8 |
Pros & Cons
Pentax HD Pentax-D FA 50mm f/1.4 50mm
- Strong social proof (86th percentile)86th %ile
- Below average bokeh (19th percentile)19th %ile
- Below average aperture (22nd percentile)
- Below average versatility (33rd percentile)
- Below average stabilization (34th percentile)
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong social proof (91st percentile)91st %ile
- Strong macro (89th percentile)89th %ile
- Strong aperture (88th percentile)88th %ile
- Strong bokeh (86th percentile)86th %ile
- Below average stabilization (34th percentile)
Pricing
Pentax HD Pentax-D FA 50mm f/1.4 50mm0.111score per dollar
vs
Sigma Contemporary 18-50mm f/2.8 DC DN0.222score per dollar
Sigma Contemporary 18-50mm f/2.8 DC DN offers 2.0x better value for money
Verdict
Winner: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 99 overall, wins 9 of 9 usage categories and 4 of 21 specs.
