Suntop MC 28–135mm f/3.8–5.2 Manual Focus Zoom Lens | Pentax K-Mount
 
Versatile Manual Focus Zoom Lens for Pentax K-Mount Cameras
The Suntop MC 28–135mm f/3.8–5.2 is a manual focus zoom lens offering a wide-to-telephoto focal range, making it ideal for landscapes, portraits, and general photography. With a multi-coated (MC) optical design, this lens reduces flare and ghosting, enhancing image contrast and color accuracy. Built for Pentax K-mount cameras, it delivers precise manual focusing with a solid mechanical feel, making it a great choice for photographers who appreciate classic manual lenses.
 
Condition: Very Good – Clean Optics & Fully Functional
Glass is flawless—no scratches, haze, dust, or mold
Aperture blades function smoothly, stopping down accurately
Manual focus ring is well-damped and operates precisely
Lens barrel shows minimal wear, consistent with light use
Front lens cap missing (rear cap included)
No box or original packaging
 
What’s Included:
Suntop MC 28–135mm f/3.8–5.2 Manual Focus Lens – Fully functional with clean optics
Rear Lens Cap – Protects the rear element during storage
 
Key Features:
Focal Length: 28–135mm – Covers wide-angle to medium telephoto for versatile shooting
Maximum Aperture: f/3.8 at 28mm – f/5.2 at 135mm – Suitable for various lighting conditions
Minimum Aperture: f/22 – Greater depth of field control for landscape and long-exposure shots
Multi-Coated (MC) Optics – Reduces flare and ghosting, enhancing contrast and color accuracy
Manual Focus Design – Provides precise focusing control for creative compositions
Minimum Focus Distance: 2 meters – Best for standard and telephoto shots rather than close-ups
Aperture Blades: 6 – Produces pleasing bokeh at wider apertures
Filter Thread Diameter: 67mm – Compatible with a range of filters for creative effects
Weight: Approximately 590 grams (20.8 oz) – Solid build quality with a well-balanced feel
Length: Approximately 100mm (3.9 inches) – Compact for a telephoto zoom lens
 
Why Choose the Suntop MC 28–135mm?
For photographers seeking a vintage manual focus zoom lens with a broad focal range, the Suntop MC 28–135mm f/3.8–5.2 offers great optical performance, a durable build, and precise manual focusing. It’s a budget-friendly option for Pentax K-mount users who enjoy hands-on control and classic lens design. Whether capturing landscapes, portraits, or telephoto shots, this lens provides versatility and quality at an affordable price.
 
Frequently Asked Questions:
- Is this lens autofocus?
No, this is a manual focus lens, requiring the user to adjust focus manually.
- Can this lens be used for close-up photography?
The minimum focus distance is 2 meters, making it less suitable for macro photography but great for general and telephoto shooting.
- Does this lens have a front cap?
No, the front lens cap is missing, but the rear lens cap is included for protection.
- Is this lens compatible with modern Pentax DSLRs?
Yes, the Suntop MC 28–135mm is compatible with Pentax K-mount cameras, but it requires manual focusing and aperture control.