What To Know
- Two of the most popular models in the current Pentax lineup are the K-70 and K-3, both of which offer a range of features and capabilities that cater to different photographic needs.
- The K-70 has a native ISO range of 100-102400, expandable to 204800, while the K-3 has a native ISO range of 100-12800, expandable to 51200.
- It is the better choice for photographers who require a faster, more accurate autofocus system, a more robust weather seal, and a brighter, more accurate viewfinder.
In the realm of photography, the Pentax K-mount system has long been a favorite among enthusiasts and professionals alike. With its rugged construction, weather-sealed bodies, and extensive lens compatibility, Pentax cameras offer a compelling package for those seeking versatility and durability. Two of the most popular models in the current Pentax lineup are the K-70 and K-3, both of which offer a range of features and capabilities that cater to different photographic needs. In this comprehensive comparison, we pit the Pentax K-70 against the K-3 to help you make an informed decision about which camera is the right choice for you.
Sensor and Image Quality:
The K-70 and K-3 both feature APS-C-sized CMOS sensors, but with different resolutions. The K-70 sports a 24.24-megapixel sensor, while the K-3 has a slightly higher 24.35-megapixel sensor. In terms of image quality, both cameras produce sharp and detailed images with good dynamic range. However, the K-3’s slightly higher resolution gives it a slight edge in capturing finer details, especially when cropping or enlarging images.
Autofocus System:
The autofocus system is a crucial aspect of any camera, especially for capturing fast-moving subjects or in low-light conditions. The K-70 utilizes a hybrid autofocus system that combines 11 phase-detection points with 25 contrast-detection points. The K-3, on the other hand, employs a more advanced SAFOX 11 autofocus module with 27 phase-detection points. This gives the K-3 a faster and more accurate autofocus performance, particularly in low-light situations.
Continuous Shooting Speed:
For capturing action or fast-paced events, continuous shooting speed is essential. The K-70 can shoot at up to 6 frames per second (fps), while the K-3 can shoot at up to 8.3 fps. This difference in speed may not seem significant, but it can make a noticeable difference when trying to capture fleeting moments or bursts of action.
Weather Sealing:
One of the key strengths of Pentax cameras is their weather sealing, which allows them to withstand harsh weather conditions. Both the K-70 and K-3 feature extensive weather sealing, making them ideal for outdoor photography in rain, snow, or dust. However, the K-3’s weather sealing is slightly more robust, with 92 seals compared to the K-70’s 81 seals. This makes the K-3 a better choice for photographers who regularly shoot in extreme or challenging environments.
Viewfinder:
The viewfinder is an essential component of any camera, providing the photographer with a clear and accurate representation of the scene being captured. The K-70 has a pentamirror viewfinder with approximately 96% coverage, while the K-3 has a pentaprism viewfinder with approximately 100% coverage. The pentaprism viewfinder in the K-3 offers a brighter and more accurate view of the scene, especially in low-light conditions.
ISO Performance:
ISO performance is crucial for capturing images in low-light situations without introducing excessive noise. The K-70 has a native ISO range of 100-102400, expandable to 204800, while the K-3 has a native ISO range of 100-12800, expandable to 51200. The K-70’s extended ISO range provides more flexibility in low-light conditions, but it comes at the cost of increased noise at higher ISO settings. The K-3’s lower native ISO range results in cleaner images at high ISO settings, making it a better choice for photographers who frequently shoot in low-light conditions.
Takeaways:
The Pentax K-70 and K-3 are both excellent mid-range DSLRs that offer a wide range of features and capabilities. The K-70 is a great choice for photographers who prioritize affordability, portability, and a well-rounded feature set. It offers good image quality, a decent autofocus system, and a weather-sealed body. The K-3, on the other hand, is a more advanced camera that excels in areas such as autofocus performance, weather sealing, and viewfinder quality. It is the better choice for photographers who require a faster, more accurate autofocus system, a more robust weather seal, and a brighter, more accurate viewfinder. Ultimately, the best choice between the K-70 and K-3 depends on your individual needs and preferences.
Answers to Your Questions
Q: Which camera has a better autofocus system?
A: The K-3 has a more advanced autofocus system with 27 phase-detection points, providing faster and more accurate focusing.
Q: Which camera is better for low-light photography?
A: The K-3 has a lower native ISO range and produces cleaner images at high ISO settings, making it better for low-light photography.
Q: Which camera has a more robust weather sealing?
A: The K-3 has 92 weather seals compared to the K-70’s 81 seals, providing a more robust weather sealing for use in extreme conditions.
Q: Which camera has a brighter viewfinder?
A: The K-3 has a pentaprism viewfinder with 100% coverage, providing a brighter and more accurate view of the scene, especially in low-light conditions.
Q: Which camera is more affordable?
A: The K-70 is generally more affordable than the K-3, making it a better choice for those on a budget.
