Sigma 28-200mm f3.5-5.6 Compact Hyperzoom Aspherical IF

The Sigma 28-200mm F3.5-5.6 Compact HyperZoom Aspherical IF is a versatile zoom lens designed for Pentax K-mount cameras. It offers a broad focal length range from wide-angle to telephoto, making it suitable for various photography styles, including travel and snapshots.

Key Features:

-Focal Length: 28-200mm

-Maximum Aperture: f/3.5 at 28mm to f/5.6 at 200mm

-Lens Construction: Incorporates aspherical elements to minimize aberrations

- Minimum Focusing Distance: Approximately 48 cm

- Filter Size: 62mm

- Weight: Approximately 400g

Compatibility:

The lens is designed for Pentax K-mount cameras. While it can be adapted to other camera systems using appropriate adapters, functionality such as autofocus and aperture control may be limited. For instance, adapting it to a Canon EF mount would require an adapter with corrective optics to maintain infinity focus, and even then, some features might not operate as intended.