Samyang AF 50mm f/1.4 AS UMC 50mm
The f/1.4 maximum aperture combined with an aspherical element delivers strong low-light performance and shallow depth of field control on full-frame Pentax K bodies. Its Ultra Multi-Coating effectively suppresses flare and ghosting, while the manual focus design provides a tactile, precise experience for deliberate composition. This lens is best for Pentax photographers who prioritize affordable, fast-aperture optics for portraiture and low-light work over autofocus convenience.
एक नज़र में
मालिकों की राय
मालिकों की राय समय के साथ कैसे बदली
विशेषग्राहकों ने वास्तव में अपनी समीक्षाएँ कब लिखीं, इसके आधार पर - ताकि आप देख सकें कि शुरुआती तारीफ़ टिकी या नहीं।
- Q2 202283/100
Buyers praised the lens for sharpness, fast autofocus, and image quality rivaling pricier options, though vignetting was noted.
- Sharpness and image quality comparable to expensive lenses.
- Fast and accurate autofocus.
- Vignetting present but fixable in post-processing.
- Great value for the price.
- Q4 202195/100
Buyers praised the lens for excellent image quality and fun manual aperture ring, noting focus requires practice but delivers great results for the price.
- Excellent image quality, among the best of all lenses owned.
- Manual aperture ring adds fun and functionality, reminiscent of Fuji lenses.
- Focus takes practice but improves with use; 8/10 hit rate on cats.
- Great value for the price, cheaper end of cost spectrum.
17 तिथि-युक्त ग्राहक समीक्षाओं पर आधारित, कैलेंडर तिमाही के अनुसार समूहित। अवधि-वार विश्लेषण अंग्रेज़ी में है।
प्रमाण
प्रदर्शन
तकनीकी विशेषताएं
पूर्ण विनिर्देश
Optics
| Type | Prime |
| Focal Length Min | 50 |
| Focal Length Max | 50 |
| Elements | 9 |
| Groups | 6 |
| Aspherical Elements | 1 |
| ED Elements | 1 |
| Coating | Ultra Multi-Coating |
Aperture
| Max Aperture | f/22 |
| Min Aperture | f/1.4 |
| Constant | No |
| Diaphragm Blades | 8 |
Build
| Mount | Canon EF |
| Format | full-frame |
| Weather Sealed | No |
| Weight | 0.5 kg / 1.2 lbs |
| Filter Thread | 77 |
AF & Stabilization
| AF Type | manual focus only |
| Stabilization | No |
Focus
| Min Focus Distance | 450 |
| Max Magnification | 1:6.25 |
प्रतिस्पर्धियों से तुलना
| Spec | Samyang AF 50mm f/1.4 AS UMC 50mm | Tamron Di III 17-70mm f/2.8 Di III-A VC RXD | Sigma Contemporary 28-70mm f/2.8 DG DN | Panasonic Leica DG Vario-Elmarit H-ES12060 | Nikon NIKKOR Z 24-200mm f/4-6.3 VR | Sony E 18-135mm f/3.5-5.6 OSS |
|---|---|---|---|---|---|---|
| Focal Length | 50mm | 17-70mm | 28-70mm | 12-60mm | 24-200mm | 18-135mm |
| Max Aperture | f/22 | f/2.8 | f/22 | f/2.8 | f/4 | f/3.5 |
| Mount | Canon EF | Sony E | Sony E | Micro Four Thirds | Nikon Z | Sony E |
| Stabilization | false | true | false | true | true | true |
| Weather Sealed | false | true | true | true | true | false |
| Weight (g) | 544 | 544 | 470 | 320 | 570 | 326 |
| AF Type | manual focus only | RXD | Stepping Motor | linear motor | stepping motor | Linear motor |
| Lens Type | prime | zoom | zoom | zoom | zoom | zoom |
| Compare | Compare | Compare | Compare | Compare |
| उत्पाद | AF | Bokeh | Build | Macro | Optical | Aperture | Versatility | सामाजिक प्रमाण | Stabilization |
|---|---|---|---|---|---|---|---|---|---|
| Samyang AF 50mm f/1.4 AS UMC 50mm | 12.8 | 95.3 | 51.5 | 95.8 | 59.4 | 96.2 | 33.8 | 56.1 | 36.8 |
| Tamron Di III 17-70mm f/2.8 Di III-A VC RXD Compare | 53.6 | 85.8 | 69.4 | 85.1 | 91.3 | 82.6 | 89.6 | 86.2 | 82.6 |
| Sigma Contemporary 28-70mm f/2.8 DG DN Compare | 87.2 | 85.8 | 74.5 | 95.1 | 95.6 | 82.6 | 77.5 | 86.2 | 36.8 |
| Panasonic Leica DG Vario-Elmarit H-ES12060 Compare | 98.1 | 85.8 | 85 | 52.2 | 91.3 | 82.6 | 93.3 | 70.5 | 82.6 |
| Nikon NIKKOR Z 24-200mm f/4-6.3 VR Compare | 87.2 | 63 | 67.6 | 38.8 | 93 | 64.5 | 96.7 | 90.3 | 97 |
| Sony E 18-135mm f/3.5-5.6 OSS Compare | 98.1 | 73.8 | 73.2 | 40.3 | 78.9 | 75.8 | 95.9 | 90.3 | 82.6 |
