Attribute | Sigma 45mm f/2.8 DG DN Contemporary × | Pentax 35mm ƒ/2.8 Macro Limited HD DA × |
---|---|---|
Filter Size (mm) | 55 | 49 |
Notes | Available AF Mounts: L-Mount, Sony E-Mount | Available in black or silver; Hood is built-in, pullout type; High-grade multi-layer HD (High Definition) coating |
Closest Focus (m) | 0.24 | 0.14 |
Magnification Ratio (x) | 0.25 | 1 |
Type | Wide Prime | Standard Prime Macro |
Length (mm) | 46.2 | 46.5 |
APS Equivalent | 1.5x: 67.5mm; 1.6x: 72mm | 52.5mm |
Diagonal Angle of View (degree) | 51.30 | 44.00 |
Image Circle | 35mm | APS-C |
Focal Length (mm) | 45.00 | 35.00 |
Brand | Sigma | Pentax |
Name | Sigma 45mm f/2.8 DG DN Contemporary | Pentax 35mm ƒ/2.8 Macro Limited HD DA |
Weight (g) | 215 | 214 |
Aperture (f) | 2.80 - 22.00 | 2.80 - 22.00 |
Diaphragm Blades | 7 | 9 |
Diaphragm Blades Type | rounded | rounded |
Lens Construction | 8 elements in 7 groups | 9 elements in 8 groups |
Diameter (mm) | 64 | 63 |
Focus Details | Smooth, quiet and high-speed AF via stepping motor | Quick-shift Focus System |