Pentax DA 50mm f/1.8 50mm
An f/1.8 aperture and built-in stabilization make this a versatile 122g prime for Pentax APS-C cameras, offering sharp portraits with smooth bokeh. Its affordable price and 4.6/5 customer rating across 5,328 reviews highlight its value for budget-conscious photographers. Best for Pentax DSLR owners seeking a lightweight, fast standard lens for portraits and low-light shots.
Focal length 50mm
Aperture 22
Mount Pentax K
Weight 122 g
af type Autofocus
lens type prime
54 综合评分
价格 MX$0
暂无在售信息
Snapshot
优缺点
Pros
- Strong build (93th percentile) 93th
- Strong user sentiment (92th percentile) 92th
- Strong social proof (83th percentile) 83th
Cons
- Below average bokeh (16th percentile)
- Below average aperture (25th percentile)
- Below average optical (26th percentile)
- Below average versatility (34th percentile)
What owners think
用户口碑如何随时间变化
独家依据客户实际撰写评价的时间--让你看到最初的好评是否持续。
用户口碑随时间不断改善
92/100我们的 AI 口碑分析
基于 63 条带日期的客户评价，按日历季度分组。分期分析为英文。
The proof
性能表现
规格参数
完整规格参数
Optics
| Type | prime |
| Focal Length Min | 50 |
| Focal Length Max | 50 |
| Elements | 6 |
| Groups | 5 |
| Coating | SP Coating |
Aperture
| Max Aperture | 22 |
| Min Aperture | 1.8 |
| Constant | Yes |
| Diaphragm Blades | 7 |
Build
| Mount | Pentax K |
| Format | APS-C |
| Weather Sealed | No |
| Weight | 0.1 kg / 0.3 lbs |
| Filter Thread | 52 |
AF & Stabilization
| AF Type | Autofocus |
| Stabilization | No |
Focus
| Min Focus Distance | 451 |
| Max Magnification | 1:6.67 |
竞品对比
| Spec | Pentax DA 50mm f/1.8 50mm | Sigma Contemporary 16-300mm f/3.5-6.7 DC OS | Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD | Nikon NIKKOR Z 28-400mm f/4-8 VR | Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 | Canon EF-S 18-135mm f/3.5-5.6 IS USM |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 16-300mm | 18-300mm | 28-400mm | 50-200mm | 18-135mm |
| Max Aperture | 22 | f/3.5 | f/3.5 | f/4 | f/2.8 | f/3.5 |
| Mount | Pentax K | Sony E | Fuji X | Nikon Z | Micro Four Thirds | Canon EF-S |
| Stabilization | false | true | true | true | true | true |
| Weather Sealed | false | true | false | true | true | false |
| Weight (g) | 122 | 615 | 92 | 726 | 655 | 515 |
| AF Type | Autofocus | HLA | VXD linear motor | STM | linear motor | STM |
| Lens Type | prime | zoom | zoom | zoom | telephoto | zoom |
| Compare | Compare | Compare | Compare | Compare |
| Product | Af | Bokeh | Build | Macro | Optical | Aperture | User Sentiment | Versatility | Social Proof | Stabilization |
|---|---|---|---|---|---|---|---|---|---|---|
| Pentax DA 50mm f/1.8 50mm | 55 | 16 | 92.5 | 55 | 26.1 | 25 | 91.6 | 34 | 83 | 35.8 |
| Sigma Contemporary 16-300mm f/3.5-6.7 DC OS Compare | 55 | 85.6 | 57.6 | 86.4 | 98.9 | 78.8 | 0 | 99.6 | 77.9 | 99 |
| Tamron Di III 18-300mm f/3.5-6.3 Di III-A VC VXD Compare | 98.2 | 76.8 | 96.3 | 88.3 | 73.9 | 78.8 | 30.1 | 99.2 | 83 | 80.8 |
| Nikon NIKKOR Z 28-400mm f/4-8 VR Compare | 86.2 | 79.7 | 50.1 | 81.6 | 97 | 73.3 | 0 | 98.9 | 83 | 98.2 |
| Panasonic LUMIX G Leica DG Vario-Elmarit H-ES50200 Compare | 98.2 | 87.2 | 53.9 | 22.4 | 95.9 | 85.1 | 91.6 | 88.3 | 65.9 | 96.3 |
| Canon EF-S 18-135mm f/3.5-5.6 IS USM Compare | 86.2 | 76.8 | 45.9 | 32.9 | 79.5 | 78.8 | 0 | 96 | 77.9 | 92.3 |
使用场景评分
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