Pentax Smc Da 40Mm F28 Xs Lens
VS
Sigma 18-50mm F2.8 DC DN Lens
Feature Comparison
Main components
Main components
| Lens Technology | Prime Lens | Zoom Lens |
|---|---|---|
| Max Format Dimensions | ||
| Focal Length in Millimeters | 40 millimeter (mm) | 18-50 mm |
| Image Stabilization Feature | No | No |
| Lens Mounts | Pentax KAF | Sony E, L-Mount |
Diaphragm settings
Diaphragm settings
| Maximum Aperture (f-stop) | ||
|---|---|---|
| Minimum Aperture | ||
| Aperture Control Ring | No | No |
Optical features
Optical features
| Minimum Focusing Distance | 0.40 m (15.75 inches) | 0.12 m (4.72 inches) |
|---|---|---|
| Maximum zoom level | 0.13 times (e.g., 2x for 2 times) | - |
| Number of Optical Elements | - | |
| Number of Optical Groups | - | |
| Special Optical Elements | - | 1 Super Low Dispersion element and 3 aspherical elements |
Focus features
Focus features
| Auto Focus | Yes | Yes |
|---|---|---|
| Internal focus motor | Stepper motor | |
| Permanent Manual Focus Capability | No | No |
| Focus Operation Method | Internal | Internal |
Aesthetic features
Aesthetic features
| Product Weight | 45 gram (g) | 290 gram (g) |
|---|---|---|
| Color Options | Black | - |
Body material and design
Body material and design
| Diameter | 63 mm (2.48 inches) | 65 mm (2.57 inches) |
|---|---|---|
| Length | 9 mm (0.36 inches) | 75 mm (2.93 inches) |
| Environmental Resistance | No | No |
| Hood | No | |
| Power Zoom | No | No |
| Zoom Lock | No | No |
| Tripod Mount Tab | No | No |
| Filter Diameter | - | 55 millimeter (mm) |
| Zoom mechanism | - | Rotary (internal) |
Other items or details
Other items or details
| Release Date |
|---|
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User Rating Comparison
Pentax Smc Da 40Mm F28 Xs Lens
0
/10
from total 1 Vote
Sigma 18-50mm F2.8 DC DN Lens
0
/10
from total 1 Vote
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