Sigma Contemporary 18-50mm f/2.8 DC DN
Sigma
98 التقييم العام
مقابل
Pentax DA Star (*) series 21750 60-250mm
Pentax
70 التقييم العام
التقييمات
Travel
Street
Budget
Professional
Macro
Video Cinema
Portrait
Landscape
Wildlife Sports
المواصفات
| Sigma Contemporary 18-50mm f/2.8 DC DN | Pentax DA Star (*) series 21750 60-250mm | |
|---|---|---|
| Optics | ||
| Type | zoom | telephoto |
| Focal Length Min | 18 mm | 60 mm |
| Focal Length Max | 50 mm | 250 mm |
| Elements | 13 | — |
| Groups | 10 | — |
| Aspherical Elements | 3★ | — |
| ED Elements | 1 | 2★ |
| Coating | Super Multi-Layer Coating | Pentax original lens coatings, Super Protect (SP) coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/4 |
| Min Aperture | f/2.8 | f/4 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7★ | — |
| Build | ||
| Mount | Sony E | Pentax KAF2 |
| Format | APS-C | APS-C |
| Weather Sealed | ✓ | ✓ |
| Weight | 0.29 kg★ | 1.04 kg |
| Filter Thread | 55 mm | — |
| AF & Stabilization | ||
| AF Type | stepping motor★ | SSM |
| Stabilization | ✗ | ✓★ |
| Focus | ||
| Min Focus Distance | 121 mm★ | 250 mm |
| Max Magnification | 1:2.8★ | — |
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
Pentax DA Star (*) series 21750 60-250mm
- Strong af (94th percentile)94th %ile
- Strong versatility (90th percentile)90th %ile
- Strong stabilization (82nd percentile)82nd %ile
- Strong macro (78th percentile)
- Below average build (14th percentile)14th %ile
الأسعار
Sigma Contemporary 18-50mm f/2.8 DC DN0.186نقاط لكل دولار
مقابل
Pentax DA Star (*) series 21750 60-250mm0.077نقاط لكل دولار
Sigma Contemporary 18-50mm f/2.8 DC DN يقدم قيمة أفضل بـ 2.4x مقابل المال
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.
