Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
100 التقييم العام
مقابل
IRIX Firefly IL-15FF-EF 15mm
IRIX
38 التقييم العام
التقييمات
Travel
Street
Professional
Budget
Portrait
Macro
Video Cinema
Wildlife Sports
Landscape
المواصفات
| Sigma Contemporary 18-50mm f/2.8 DC DN | IRIX Firefly IL-15FF-EF 15mm | |
|---|---|---|
| Optics | ||
| Type | zoom | prime |
| Focal Length Min | 18 mm | 15 mm |
| Focal Length Max | 50 mm | 15 mm |
| Elements | 13 | 15 |
| Groups | 10 | 11 |
| Aspherical Elements | 3★ | 2 |
| ED Elements | 1 | 5★ |
| Coating | Super Multi-Layer Coating | Neutrino coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/22 |
| Min Aperture | f/2.8 | f/2.4 |
| Constant | ✓★ | ✗ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Sony E | Canon EF |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 0.60 kg |
| Filter Thread | 55 mm | 95 mm |
| AF & Stabilization | ||
| AF Type | stepping motor★ | Manual Focus |
| Stabilization | ✗ | ✗ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 280 mm |
| Max Magnification | 1:2.8★ | — |
الإيجابيات والسلبيات
Sigma Contemporary 18-50mm f/2.8 DC DN
- Strong macro (91st percentile)91st %ile
- Strong social proof (90th percentile)90th %ile
- Strong af (88th percentile)88th %ile
- Strong build (87th percentile)87th %ile
IRIX Firefly IL-15FF-EF 15mm
- Strong optical (93rd percentile)93rd %ile
- Strong macro (74th percentile)
- Strong social proof (67th percentile)
- Strong build (66th percentile)
- Below average af (13th percentile)13th %ile
- Below average user sentiment (16th percentile)16th %ile
- Below average aperture (21st percentile)
- Below average bokeh (23rd percentile)
الأسعار
Sigma Contemporary 18-50mm f/2.8 DC DN0.175نقاط لكل دولار
مقابل
IRIX Firefly IL-15FF-EF 15mm0.114نقاط لكل دولار
Sigma Contemporary 18-50mm f/2.8 DC DN يقدم قيمة أفضل بـ 1.5x مقابل المال
الحكم النهائي
الفائز: Sigma Contemporary 18-50mm f/2.8 DC DN
Scores 100 overall, wins 9 of 9 usage categories and 6 of 21 specs.
