Best K Mount Camera Lenses of 2025

Alan Eaton Avatar
Alan Eaton
Last Updated: Jan 3, 2025

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K Mount Camera Lenses are a versatile and reliable option for photographers of all levels. These lenses are compatible with Pentax K-mount DSLR cameras and offer a range of focal lengths and apertures to suit any shooting situation. From wide-angle to telephoto, K Mount Camera Lenses are designed to produce sharp and clear images with minimal distortion. They are also built to be durable and weather-resistant, making them a great choice for outdoor photography. Whether you're a professional photographer or just starting out, K Mount Camera Lenses are a reliable and high-quality option for capturing stunning images.

At a Glance: Our Top Picks

Pentax smc FA 50mm F1.4 Lens Cover #TOP 1
Pentax smc FA 50mm F1.4 Lens
ftb score rating icon 9.8
PENTAX-FA 50mmF1.4 Cover #TOP 2
PENTAX-FA 50mmF1.4
ftb score rating icon 9.7
Andoer 50mm F1.7 Camera Lens Cover #TOP 3
Andoer 50mm F1.7 Camera Lens
ftb score rating icon 9.5

Top 4 K Mount Camera Lenses

#TOP 1

Pentax smc FA 50mm F1.4 Lens

20800
Pentax smc FA 50mm F1.4 Lens Cover
Pentax smc PENTAX-FA 50mmF1.4 Classic, Single-Focus, Standard Lens for use with K-Mount Digital SLR Cameras ND Filter Included

The Pentax 50mm F1.4 Lens offers photographers a unique opportunity to create stunning images with its intentional design that produces a distinctive rainbow flare effect in backlit situations. When you want sharper images, simply adjust the aperture to F4 or smaller. This lens also retains a nostalgic appearance reminiscent of classic film cameras, enhancing your photography experience. With a large F1.4 aperture, you can achieve a beautifully shallow depth of field, making your subjects stand out. Additionally, the lens features a water- and grease-repellent coating, ensuring easier maintenance and cleaner shots.

What We Like
Unique rainbow flare effect
Sharp images at smaller apertures
Nostalgic design
Shallow depth of field
Easy maintenance coating
#TOP 2

PENTAX-FA 50mmF1.4

20790
PENTAX-FA 50mmF1.4 Cover
Pentax HD PENTAX-FA 50mmF1.4, Single-Focus, Standard Lens for use with K-Mount Digital SLR Cameras

The Pentax 50mm Lens is a high-quality, single-focus lens designed for use with K-Mount Digital SLR Cameras. It features an HD Coating that reduces reflectance and improves light transmittance, resulting in clear, high-contrast images. This lens also has a new exterior design that is similar to the latest DA- and D FA-series lenses, while still maintaining its compact dimensions. With a large F1.4 open aperture, it produces images with a shallow depth of field, allowing for beautiful bokeh effects. Additionally, it is water- and grease-repellent, making it easy to clean. The lens is fully compatible with older K-mount digital SLR cameras and film-format AF SLR cameras, and it retains all camera functions.

What We Like
HD Coating for clear, high-contrast images
New exterior design with compact dimensions
Large F1.4 aperture for shallow depth of field
#TOP 3

Andoer 50mm F1.7 Camera Lens

XYB5398112894584BM
Andoer 50mm F1.7 Camera Lens Cover
Andoer 50 mm F1.7 Wide Aperture Manual Focus Camera Lens Prime Lens PK Mount Replacement for Pentax K1 / K-1 Mark II Full Frame Cameras

The Andoer 50mm Lens is a versatile manual focus prime lens designed for Pentax K1 and K-1 Mark II full-frame cameras. With a wide aperture of F1.7, this lens allows you to capture stunning images with beautiful background blur, enhancing your subject's focus. Its manual focus capability gives you complete control over your shots, making it ideal for photographers who enjoy a hands-on approach. Additionally, the lens is designed as a PK mount replacement, ensuring compatibility with your camera for seamless use. Enjoy the creative possibilities this lens brings to your photography.

What We Like
Wide aperture for low light
Manual focus for precision
Compatible with Pentax cameras
Great for portrait photography
#TOP 4

Pentax K-Mount DA 18-270mm Lens

21497
Black
18-270mm
Pentax K-Mount DA 18-270mm Lens Cover
Pentax K-Mount DA 18-270mm f3.5-6.3 ED SDM Interchangeable Lens

The Pentax K-Mount DA 18-270mm f3.5-6.3 ED SDM Interchangeable Lens is designed for all K-mount cameras. The lens features an SDM autofocus system driving by a built-in supersonic motor for smooth and quiet autofocus operation. It incorporates 2 extra-low dispersion (ED) elements in its optical design to minimize chromatic aberration and deliver high-resolution images. With a minimum focusing distance of 1.6' over the entire zoom range, you can take clear photos of nearby objects. The rounded diaphragm blades produce a smooth, beautiful bokeh while minimizing the streaking effect from point light sources.

What We Like
Smooth and quiet autofocus operation
Minimized chromatic aberration for high-resolution images
Minimum focusing distance of 1.6' for clear photos of nearby objects
Smooth, beautiful bokeh with minimized streaking effect
Compatible with all K-mount cameras
Buying Guide Image

Frequently Asked Questions (FAQs)

1. Which cameras use K mount lenses?

You can use your K-mount lenses on any compact system camera (Canon EOS-M, Fujifilm X-Pro1 and X-E1, Nikon One system, Olympus's and Panasonic's µ4/3 cameras, Ricoh GXR with M module, Samsung NX, Sony NEX) with the appropriate adapter.

2. What is a K mount lens?

The Pentax K-mount, sometimes referred to as the "PK-mount", is a bayonet lens mount standard for mounting interchangeable photographic lenses to 35 mm single-lens reflex (SLR) cameras. It was created by Pentax in 1975, and has since been used by all Pentax 35 mm and digital SLRs and also the MILC Pentax K-01.

3. Do Pentax lenses fit other cameras?

Yes you can use those lenses. They will not be as convenient as the modern autofocus lenses but Pentax DSLRs are unique in that they have backwards capability with almost any Pentax mount lens ever made, including screw mount and medium format lenses (with adapters.)

Editor's Notes

During our k mount camera lense research, we found 16 k mount camera lense products and shortlisted 4 quality products. We collected and analyzed 4,394 customer reviews through our big data system to write the k mount camera lenses list. We found that most customers choose k mount camera lenses with an average price of $179.31.

The k mount camera lenses are available for purchase. We have researched hundreds of brands and picked the top brands of k mount camera lenses, including Pentax, Andoer. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Alan Eaton Avatar

Alan Eaton is a seasoned writer whose expertise is in anything related to electronics, such as headphones, monitoring equipment, computer, and so on, built over a 15-year career in the technology industry. Working in the trade during his youth, he accumulated a great deal of knowledge about machinery.