Pentax
Pentax SMC-A 28mm f2.8 Prime Lens K-Mount
Capture Stunning Wide-Angle Shots with Pentax SMC-A 28mm f2.8 LensThe Pentax SMC-A 28mm f2.8 prime lens is perfect for photographers seeking high-quality wide-angle images. This lens offers excellent clarity and sharpness. Mount Type: K-mount Focal Length: 28mm Aperture: f/2.8 Condition: Cle...
$90.63*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Capture Stunning Wide-Angle Shots with Pentax SMC-A 28mm f2.8 Lens
The Pentax SMC-A 28mm f2.8 prime lens is perfect for photographers seeking high-quality wide-angle images. This lens offers excellent clarity and sharpness.
- Mount Type: K-mount
- Focal Length: 28mm
- Aperture: f/2.8
- Condition: Cleaned and Tested
- Includes: Lens cap, back cap, and UV/Gaze filter
Key Features
Wide-angle 28mm (45mm for DSLRs w/APS sensors)
Specifications
Lens Type
Prime Lens
Focal Length
28mm
Maximum Aperture
f/2.8
Mount Type
K-Mount
Equivalent Focal Length (APS-C)
45mm
Pros & Cons
👍 Pros
- Offers a 28mm wide-angle focal length, suitable for capturing expansive landscapes and architectural shots.
- The f/2.8 maximum aperture allows for good low-light performance and creative shallow depth-of-field effects.
- As a prime lens, it typically delivers sharper images and better optical quality compared to zoom lenses.
- The K-Mount ensures compatibility with a range of Pentax cameras, including many film and digital SLR bodies.
- When used on APS-C sensor DSLRs, it provides an equivalent focal length of 45mm, approaching a "nifty fifty" perspective.
👎 Cons
- Being a prime lens, it lacks the versatility of a zoom lens, requiring the photographer to physically move to change composition.
- The f/2.8 aperture, while good, may not be as wide as some specialized prime lenses available for extremely low-light scenarios.
- The manual focus design might be challenging for users accustomed to modern autofocus systems, especially for fast-moving subjects.
- Compatibility is limited to K-Mount systems, meaning it cannot be used natively on other camera brands.
- As an older SMC-A series lens, it may not offer modern lens coatings or advanced autofocus motors found in newer lenses.
Frequently Asked Questions
What is the focal length of the Pentax SMC-A 28mm f2.8 Prime Lens?
The focal length of this Pentax lens is 28mm, providing a wide-angle perspective.
What is the maximum aperture of this lens?
The maximum aperture of the Pentax SMC-A 28mm f2.8 Prime Lens is f/2.8.
What camera mount is this lens designed for?
This lens is designed for the K-Mount, making it compatible with Pentax K-mount cameras.
What is the equivalent focal length when used on a DSLR with an APS-C sensor?
When used on a DSLR with an APS-C sensor, the equivalent focal length of this 28mm lens is approximately 45mm.
Is this a zoom lens or a prime lens?
The Pentax SMC-A 28mm f2.8 is a prime lens, meaning it has a fixed focal length of 28mm.
Related Products
