Certainly! The Pentax SMC DA 16-50mm f/2.8 ED AL [IF] SDM is a high-performance standard zoom lens designed for Pentax APS-C format DSLR cameras. It offers a constant f/2.8 aperture, making it ideal for low-light photography and professional applications.
Key Features:
- Optical Construction: 15 elements in 12 groups, including extra-low dispersion (ED) and aspherical elements for superior image quality.
- Autofocus System: Features Supersonic Drive Motor (SDM) for smooth and silent autofocus, with Quick-Shift Focus for manual fine-tuning.
- Weather Resistance: AW (All-Weather) sealing protects against dust and moisture, ensuring durability in challenging environments.
- Internal Focusing (IF): The lens maintains its length while focusing, improving handling and balance.
- Super Multi-Coating (SMC) & Super Protect (SP) Coating: Reduces flare and ghosting while repelling water, dust, and grease.
- Rounded 9-Blade Diaphragm: Produces smooth and natural bokeh for artistic depth-of-field effects.
- Filter Compatibility: Accepts 77mm filters, with a petal-shaped hood for glare reduction.
This lens is a premium choice for photographers seeking sharpness, versatility, and durability in a fast-aperture zoom lens.
Specifications for the Pentax SMC DA 16-50mm f/2.8 ED AL [IF] SDM:
| Specification |
Details |
| Focal Length |
16-50mm |
| Maximum Aperture |
f/2.8 (constant) |
| Minimum Aperture |
f/22 |
| Lens Mount |
Pentax K-mount |
| Format Compatibility |
APS-C |
| Optical Construction |
15 elements in 12 groups |
| Special Elements |
Extra-low dispersion (ED), Aspherical elements |
| Autofocus System |
Supersonic Drive Motor (SDM), Quick-Shift Focus |
| Focus Type |
Autofocus with manual override |
| Internal Focusing (IF) |
Yes |
| Minimum Focus Distance |
30 cm / 11.8 in |
| Maximum Magnification |
0.21x |
| Diaphragm Blades |
9, rounded |
| Image Stabilization |
None (relies on camera body stabilization) |
| Filter Thread |
77mm |
| Weather Resistance |
Yes (AW - All-Weather sealing) |
| Coating |
Super Multi-Coating (SMC), Super Protect (SP) |
| Dimensions |
Approx. 84mm (Diameter) x 98.5mm (Length) |
| Weight |
Approx. 565g / 19.9oz |
