Choosing the best wide angle lens for your Pentax K3 can greatly improve your photography. This guide covers top lenses to suit different needs and styles.
Wide angle lenses let you capture more of a scene in each shot. They work well for landscapes, architecture, and creative photography. Pentax K3 users need lenses that match the camera’s quality and features. Options like the Rokinon 14mm F2.
8 offer ultra-wide views with low distortion. The Pentax HD 16-50mm F2. 8 zoom lens provides sharp images and weather resistance. For unique perspectives, the Pentax HD-DA Fish-Eye 10-17mm lens adds creative effects. Other choices like the DA 18-135mm and D FA 15-30mm lenses balance versatility and wide angle coverage. This post helps you find the best fit for your Pentax K3.
Table of Contents
Rokinon 14mm F2.8 Ultra Wide-angle Lens For Pentax

The Rokinon 14mm F2.8 Ultra Wide-Angle Lens for Pentax is ideal for photographers who specialize in landscape and astro photography. This lens is perfect for those who require full frame coverage with minimal distortion and a fast aperture to capture stunning wide-angle shots in low light conditions. Enthusiasts and professionals looking for a manual focus lens with excellent optical quality will find this lens especially suitable.
Pros:
- Exceptional ultra wide-angle 14mm focal length for expansive shots
- Fast f/2.8 aperture ideal for low light and night photography
- Built-in lens hood to reduce flare and protect the lens
- UMC coating minimizes reflections and ghosting for clearer images
- Low distortion ensures accurate and sharp image reproduction
- Lightweight and compact design for easy handling and portability
Cons:
- Manual focus only, which may be challenging for fast-moving subjects
- No autofocus feature, requiring more time to adjust settings
- Limited compatibility, specifically designed for Pentax full frame cameras
The Rokinon 14mm F2.8 Ultra Wide-Angle Lens offers impressive optical performance with its low distortion and UMC coating, delivering crisp and vibrant images. The fast aperture of f/2.8 allows photographers to shoot in dimly lit environments, making it an excellent choice for astrophotography where capturing faint stars is essential. Additionally, the built-in lens hood provides extra protection and helps maintain image quality by reducing lens flare.
This lens’s compact and lightweight design makes it highly portable for outdoor shoots, while the manual focus mechanism gives photographers precise control over their composition. Though it lacks autofocus, this feature is often preferred in specialized photography where manual adjustments can lead to better creative results. Overall, the Rokinon 14mm F2.8 is a valuable tool for photographers seeking a reliable, high-quality ultra wide-angle lens tailored for Pentax full frame cameras.
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Pentax Hd 16-50mm F2.8ed Plm Aw Large-aperture Standard Zoom Lens
![Pentax HD 16-50mm F2.8ED PLM AW Large-Aperture Standard Zoom Lens [High-Speed AF] [High-Performance HD Coating] [Dust-Proof/Weather-Resistant Construction] [Circular Diaphragm] (28030)](https://m.media-amazon.com/images/I/41fViR2norL._SL500_.jpg)
The Pentax HD 16-50mm F2.8ED PLM AW Large-Aperture Standard Zoom Lens is ideal for professional photographers and serious enthusiasts looking for a versatile, high-performance lens. If you need a reliable zoom lens that delivers sharp images with fast autofocus and excellent weather resistance, this lens is designed for you. It suits those who shoot in diverse environments and require a durable, all-around lens for landscapes, portraits, and events.
Pros:
- Fast and silent PLM autofocus for quick subject acquisition
- Large constant F2.8 aperture for superior low-light performance and depth of field control
- High-performance HD coating reduces reflections and ghosting, enhancing image clarity
- Dust-proof and weather-resistant construction for shooting in challenging conditions
- Circular diaphragm provides beautiful, natural bokeh effects
- Compact and lightweight design for easy portability
Cons:
- Relatively high price point compared to standard zoom lenses
- Dimensions may feel bulky for compact camera setups
- Weight, although light, might be noticeable during extended handheld use
The Pentax HD 16-50mm F2.8ED PLM AW lens offers a superb combination of speed, clarity, and durability. Its constant F2.8 aperture across the zoom range ensures consistent exposure and creative control, making it perfect for low-light photography and achieving stunning background blur. The advanced PLM (Pulse Motor) autofocus system provides fast and quiet focusing, ideal for capturing sharp images in dynamic situations such as events or wildlife. Additionally, the HD coating significantly minimizes unwanted reflections and flare, resulting in crisp, high-contrast photos with vibrant colors.
Designed to withstand tough shooting environments, this lens features a robust, dust-proof and weather-resistant construction, allowing photographers to shoot confidently in rain or dusty conditions. The ergonomic design, complemented by a circular diaphragm, enhances the overall image quality by producing smooth and attractive bokeh, which is essential for portrait and close-up photography. Overall, the lens balances cutting-edge technology with practical features, making it a reliable companion for capturing high-quality images in a variety of scenarios.
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Pentax Hd-da Fish-eye 10-17mm F3.5-4.5 Ed Ultra Wide Angle Zoom Lens

The Pentax HD-DA Fish-Eye 10-17mm F3.5-4.5 ED Ultra Wide Angle Zoom Lens is ideal for photography enthusiasts and professionals who seek to capture stunning, creative wide-angle shots with a unique fisheye effect. This lens is perfect for users of PENTAX DSLR cameras such as the K-1 II, K-70, and KP who want a compact and lightweight option that doesn’t compromise on image quality. If you enjoy landscape, architecture, or artistic photography, this lens offers an excellent combination of versatility and distinctive perspective.
Pros:
- Ultra wide-angle zoom providing dramatic fisheye effects
- Compact and lightweight design for easy portability
- High-quality HD coating for improved clarity and reduced reflections
- Compatible with a range of PENTAX DSLR cameras
- Durable build with ED glass elements for superior image sharpness
Cons:
- Limited aperture range of F3.5-4.5 may affect low-light performance
- Fisheye distortion may not be suitable for all photography styles
- Fixed zoom range only covers 10-17mm, limiting focal length flexibility
The Pentax HD-DA Fish-Eye 10-17mm F3.5-4.5 ED lens features an ultra wide-angle zoom that offers a unique diagonal fisheye perspective, making it perfect for photographers looking to add creativity to their shots. The lens’s compact dimensions of 2.8 inches in height and length and a lightweight build of approximately 0.71 pounds make it highly portable, encouraging spontaneous and on-the-go shooting. Its advanced HD coating enhances image contrast and reduces ghosting, ensuring vibrant and clear photos even in challenging lighting conditions.
Additionally, the inclusion of Extra-low Dispersion (ED) glass elements helps minimize chromatic aberration, delivering sharp, high-resolution images. This lens is specifically designed to work seamlessly with popular PENTAX DSLR models such as the K-1 II, K-70, and KP, providing reliable autofocus and excellent optical performance. Whether you are shooting expansive landscapes, creative architectural shots, or experimental photography, this lens offers both versatility and artistic flair.
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Pentax Da 18-135mm F/3.5-5.6 Ed Al (if) Dc Wr Lens

The Pentax 21977 DA 18-135mm f/3.5-5.6 ED AL (IF) DC WR Lens is ideal for photography enthusiasts and professionals using Pentax Digital SLR cameras who seek a versatile zoom lens with reliable performance. It is perfect for those who want an all-in-one lens that covers a wide focal range, suitable for everything from landscapes to portraits, while maintaining image quality and durability.
Pros:
- Wide focal length range of 18-135mm for versatile shooting options
- Weather-resistant (WR) construction for use in challenging conditions
- Compact and lightweight design with dimensions approximately 2.87 x 2.87 x 2.99 inches and weighing less than 1 pound
- ED (Extra-low Dispersion) and AL (Aspherical) glass elements for superior image clarity and reduced aberrations
- DC motor for fast, quiet autofocus performance
Cons:
- Aperture range of f/3.5-5.6 may limit low-light performance compared to faster prime lenses
- Not ideal for extreme telephoto needs beyond 135mm
The Pentax 21977 DA 18-135mm lens features a broad zoom range that allows users to capture a variety of subjects without needing to change lenses frequently. This versatility is complemented by its compact and lightweight build, making it an excellent choice for photographers who value portability without sacrificing performance. The inclusion of ED and AL elements ensures sharp, high-contrast images with minimized chromatic aberration, enhancing overall photo quality.
Additionally, the lens is designed with a weather-resistant (WR) coating, providing peace of mind when shooting in less-than-ideal weather conditions. The DC autofocus motor offers smooth and quiet focusing, which is particularly beneficial for video recording and candid photography. Overall, this lens combines durability, versatility, and image quality, making it a valuable tool for any Pentax DSLR user looking to expand their creative possibilities.
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Pentax D Fa 15-30mm F/2.8 Ultra-wide Angle Zoom Lens For Pentax K

The Pentax D FA F2.8ED SDM WR 15-30mm f/2.8 Ultra-Wide Angle Zoom Lens is ideal for professional photographers and advanced enthusiasts who require exceptional image quality in challenging environments. This lens is perfect for those who shoot landscapes, architecture, and events, needing a versatile ultra-wide angle zoom with a bright aperture and weather-resistant features.
Pros:
- Exceptional ultra-wide angle zoom range from 15-30mm for expansive compositions
- Fast and constant f/2.8 aperture for superior low-light performance
- Built-in SDM (Supersonic Drive Motor) for quiet and accurate autofocus
- Weather-resistant (WR) construction ensures durability in harsh conditions
- High-quality optics with ED glass elements to reduce chromatic aberrations
- Compact and lightweight design for easy handling and portability
Cons:
- Relatively higher price point compared to standard wide-angle lenses
- May produce some barrel distortion at the widest focal length
- Limited compatibility with non-Pentax camera systems
The Pentax D FA F2.8ED SDM WR 15-30mm lens combines a versatile focal length range with a bright and constant f/2.8 aperture, allowing photographers to capture stunning ultra-wide shots even in low-light conditions. The lens features advanced optical elements, including Extra-low Dispersion (ED) glass, which significantly reduces chromatic aberrations and ensures sharp, clear images across the entire zoom range. Its Supersonic Drive Motor (SDM) offers fast and quiet autofocus, making it suitable for both stills and video recording.
In addition to its optical excellence, this lens is designed with a robust, weather-resistant (WR) construction that protects it from dust, moisture, and cold temperatures, enabling photographers to shoot confidently in diverse environments. Despite its sturdy build, the lens remains relatively lightweight and compact, making it easy to carry and handle during long shooting sessions. Overall, the Pentax 15-30mm f/2.8 lens is an excellent investment for photographers seeking a high-performance ultra-wide zoom with professional-grade features and durability.
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Frequently Asked Questions
What Is The Best Wide Angle Lens For Pentax K3?
The Rokinon 14mm F2. 8 is ideal for ultra-wide shots on Pentax K3. It offers full-frame coverage and low distortion, perfect for landscapes and astrophotography.
How Does Pentax Hd 16-50mm F2.8 Zoom Perform?
This lens features fast autofocus, weather resistance, and excellent HD coating. It’s versatile for wide-angle to standard zoom shots with sharp image quality.
Is The Pentax Hd-da Fish-eye 10-17mm Suitable For Pentax K3?
Yes, it’s a compact fisheye zoom lens delivering creative ultra-wide-angle effects. It’s lightweight and compatible with Pentax K3 and other DSLR models.
What Makes Pentax Da 18-135mm Lens A Good Choice?
It offers a wide zoom range, weather resistance, and sharp optics. This lens suits general photography needs from wide-angle to moderate telephoto.
Why Choose Pentax D Fa F2.8ed Sdm Wr 15-30mm Lens?
It has a bright F2. 8 aperture and ultra-wide zoom range. The lens is weather-resistant and perfect for professional landscape and architectural photography.
Conclusion
Choosing the best wide angle lens for your Pentax K3 depends on your photography needs. The Rokinon 14mm offers sharp images with a fast aperture, great for landscapes and night sky shots. Pentax’s HD 16-50mm zoom lens is versatile and weather-resistant, perfect for everyday use.
The HD-DA Fish-Eye 10-17mm lens captures unique, creative shots with its fisheye effect. For a wider zoom range, the Pentax DA 18-135mm is lightweight and durable, suitable for travel and general photography. Lastly, the D FA F2. 8ED SDM WR 15-30mm lens combines fast aperture and weather resistance for professional-level photos.
Each lens has strengths, so consider your style and budget before deciding. With the right lens, your Pentax K3 will capture stunning wide angle images every time. Explore these options and find the lens that fits your creative vision best.