Sigma
Sigma 789109 18-125mm Zoom Lens for Pentax/Samsung
f/3.5
Expand Your Creative Horizons with the Sigma 18-125mm Zoom LensThe Sigma 18-125mm f/3.5-5.6 DC IF Aspherical Zoom Lens is exclusively designed for digital SLR cameras, offering a high magnification zoom ratio for versatile shooting. With SLD glass and aspherical elements, this lens ensures high o...
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Overview
Expand Your Creative Horizons with the Sigma 18-125mm Zoom Lens
The Sigma 18-125mm f/3.5-5.6 DC IF Aspherical Zoom Lens is exclusively designed for digital SLR cameras, offering a high magnification zoom ratio for versatile shooting. With SLD glass and aspherical elements, this lens ensures high optical performance across the entire zoom range.
- Compatibility: Pentax and Samsung Digital SLR Cameras
- Focal Length: 18-125mm
- Aperture: f/3.5-5.6
- Optical Design: Special Low Dispersion (SLD) glass and two aspherical lens elements
- Minimum Focusing Distance: 50cm (19.6in.) at all focal lengths
- Focusing System: Inner focusing system
- Zoom Lock Switch: Yes
Key Features
Pentax SLR AF mount; standard zoom lens
Aspherical lens and internal focusing
18 to 125 mm focal length
f/3.5 maximum aperture
6.9x magnification
Specifications
Brand
Sigma
Model
789109
Lens Type
Zoom Lens
Focal Length
18-125mm
Maximum Aperture
f/3.5
Lens Mount
Pentax SLR AF
Magnification
6.9x
Special Features
Aspherical lens, Internal focusing
Frequently Asked Questions
What camera brands is this Sigma lens compatible with?
This Sigma 18-125mm zoom lens is specifically designed for Pentax/Samsung SLR AF mount cameras.
What is the focal length range of this lens?
The lens offers a versatile focal length range of 18mm to 125mm, covering wide-angle to telephoto perspectives.
Does this lens have a fixed aperture?
No, it has a maximum aperture of f/3.5, which will vary as the focal length changes.
What does "Aspherical lens" mean for image quality?
An aspherical lens element helps to correct spherical aberrations and distortions, contributing to sharper images across the frame.
Is this lens suitable for portrait photography?
While it can be used for portraits, the f/3.5 maximum aperture is moderate and may not produce the extremely shallow depth of field characteristic of faster prime lenses.
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