Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 التقييم العام
مقابل
NiSi Reflex 250mm f/5.6 Reflex 250mm
NiSi
29 التقييم العام
التقييمات
Travel
Street
Budget
Professional
Macro
Video Cinema
Portrait
Landscape
Wildlife Sports
المواصفات
| Sigma Contemporary 18-50mm f/2.8 DC DN | NiSi Reflex 250mm f/5.6 Reflex 250mm | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 18 mm | 250 mm |
| Focal Length Max | 50 mm | 250 mm |
| Elements | 13 | 6 |
| Groups | 10 | 3 |
| Aspherical Elements | 3★ | — |
| ED Elements | 1★ | — |
| Coating | Super Multi-Layer Coating | Multi-Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/5.6 |
| Min Aperture | f/2.8 | f/5.6 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 10★ |
| Build | ||
| Mount | Sony E | Canon RF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.54 kg |
| Filter Thread | 55 mm | 62 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | manual focus only |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 2.00 m |
| Max Magnification | 1:2.8★ | 0.14x |
الإيجابيات والسلبيات
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (92nd percentile)92nd %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (87th percentile)87th %ile
- Strong build (86th percentile)86th %ile
NiSi Reflex 250mm f/5.6 Reflex 250mm
- Strong bokeh (73rd percentile)
- Strong build (69th percentile)
- Below average social proof (3rd percentile)3rd %ile
- Below average optical (4th percentile)4th %ile
- Below average af (13th percentile)13th %ile
- Below average macro (29th percentile)
الحكم النهائي
الفائز: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 98 overall, wins 9 of 9 usage categories and 6 of 21 specs.