Attribute | Pentax 50mm ƒ/1.8 SMC DA × | Samsung 45mm ƒ/1.8 NX × |
---|---|---|
Filter Size (mm) | 52 | 43 |
Aperture (f) | 1.80 - 22.00 | 1.80 - 32.00 |
Closest Focus (m) | 0.45 | 0.45 |
Magnification Ratio (x) | 0.15 | 0.13 |
Type | Tele Prime | Telephoto Prime |
Focus Details | Quick-shift Focus System for instant switching from auto to manual focus | Autofocus with manual focusing ring; AF/MF switch; Stepping motor for smooth, quiet AF |
APS Equivalent | 76.5mm | 69.3mm |
Diameter (mm) | 63 | 62 |
Image Circle | APS-C | Samsung NX (APS-C) |
Focal Length (mm) | 50.00 | 45.00 |
Brand | Pentax | Samsung |
Name | Pentax 50mm ƒ/1.8 SMC DA | Samsung 45mm ƒ/1.8 NX |
Weight (g) | 122 | 115 |
Diaphragm Blades Type | rounded | circular |
Diaphragm Blades | 7 | 9 |
Diagonal Angle of View (degree) | 31.50 | 34.70 |
Length (mm) | 38.5 | 44.5 |
Notes | - | Samsung NX Mount; Included Accessories: lens caps, lens hood; i-Scene: Night, Portrait, Beauty shot, Children, Backlight, Sports |
Lens Construction | 6 elements in 5 groups; Front surface has SP (Super Protect) coating | 7 elements in 6 groups |