Canon Eos 90d Vs. Pentax K3 Iii: The Battle Of The Mid-range Dslrs

The world of digital single-lens reflex (DSLR) cameras is vast, with countless models to choose from. Two standout options are the Canon EOS 90D and the Pentax K-3 III. Both cameras offer advanced features and capabilities, but they differ in some key areas. This blog post will delve into a comprehensive comparison of the Canon EOS 90D vs. Pentax K-3 III, highlighting their strengths and weaknesses to help you make an informed decision.

Image Quality

Resolution: The Canon EOS 90D boasts a 32.5-megapixel APS-C sensor, while the Pentax K-3 III features a 25.7-megapixel APS-C sensor. The higher resolution of the 90D allows for larger print sizes and more detailed images.

Dynamic Range: The Pentax K-3 III has an edge in dynamic range, capturing more detail in both highlights and shadows. This is particularly beneficial for scenes with high contrast or challenging lighting conditions.

Color Accuracy: Both cameras perform well in terms of color accuracy, producing natural-looking hues. However, the 90D’s sensor is known for its slightly warmer tones, while the K-3 III tends to produce cooler images.

Autofocus

Phase-Detect Autofocus: The Canon EOS 90D utilizes a 45-point all cross-type phase-detect autofocus system, offering fast and accurate focusing in both still and video modes. The Pentax K-3 III also employs a phase-detect autofocus system with 273 points, providing excellent coverage and precision.

Eye Detection Autofocus: Both cameras feature eye detection autofocus, which can automatically lock onto and track the eyes of subjects. This is a useful feature for portraits and group shots.

Low-Light Autofocus: The Pentax K-3 III has a slight advantage in low-light autofocus performance, thanks to its brighter viewfinder and more sensitive sensors.

Video Capabilities

Resolution and Frame Rates: The Canon EOS 90D can record 4K video at up to 30fps, while the Pentax K-3 III is limited to 1080p at 60fps. The 90D also offers 120fps slow-motion recording in Full HD.

Autofocus and Stabilization: Both cameras offer continuous autofocus during video recording, but the EOS 90D’s Dual Pixel CMOS AF system is generally considered more reliable and accurate. The K-3 III, however, features in-body image stabilization, which helps to reduce camera shake.

External Microphone Input: The Canon EOS 90D has an external microphone input, allowing you to connect an external microphone for improved audio quality. The Pentax K-3 III lacks this feature.

Build and Ergonomics

Weather Sealing: Both cameras are weather-sealed, making them suitable for use in challenging weather conditions. The Pentax K-3 III, however, boasts a more robust weather-sealing system, with 101 sealing points compared to the 90D’s 59.

Grip and Handling: The Canon EOS 90D has a comfortable grip and well-placed controls, making it easy to handle for extended periods. The Pentax K-3 III also offers a comfortable grip, but its controls are slightly more cramped.

Viewfinder: The Pentax K-3 III features a larger and brighter optical viewfinder than the Canon EOS 90D, providing a more immersive shooting experience.

Other Features

Wi-Fi and Bluetooth: Both cameras offer Wi-Fi and Bluetooth connectivity for wireless image transfer and remote control. The EOS 90D, however, supports Bluetooth Low Energy (BLE) for more efficient and stable connectivity.

GPS: The Pentax K-3 III includes built-in GPS for geotagging your images. The Canon EOS 90D requires an external GPS receiver for this functionality.

Battery Life: The Pentax K-3 III has a slightly longer battery life than the Canon EOS 90D, with a rating of 800 shots per charge compared to 600 shots.

Verdict: Canon EOS 90D vs. Pentax K-3 III

Both the Canon EOS 90D and the Pentax K-3 III are excellent DSLR cameras that offer a range of advanced features and capabilities. However, they cater to slightly different needs and preferences.

The Canon EOS 90D is ideal for photographers who prioritize high image resolution, fast autofocus, and extensive video capabilities. Its 32.5-megapixel sensor, 45-point phase-detect autofocus system, and 4K video recording make it a versatile choice for various genres of photography.

The Pentax K-3 III, on the other hand, excels in dynamic range, weather sealing, and viewfinder performance. Its 25.7-megapixel sensor, 273-point phase-detect autofocus system, and large optical viewfinder make it a compelling option for landscape, wildlife, and action photographers who demand the best image quality in challenging conditions.

Ultimately, the decision between the Canon EOS 90D and the Pentax K-3 III depends on your individual requirements and shooting style. Both cameras are capable of producing stunning images, but each offers unique strengths and weaknesses that may better suit your needs.

What You Need to Know

1. Which camera has a better autofocus system?

Both cameras have excellent autofocus systems, but the Canon EOS 90D’s 45-point all cross-type phase-detect system generally outperforms the Pentax K-3 III’s 273-point phase-detect system in terms of speed and accuracy.

2. Which camera is better for low-light photography?

The Pentax K-3 III has a slight advantage in low-light autofocus performance due to its brighter viewfinder and more sensitive sensors.

3. Which camera has more video capabilities?

The Canon EOS 90D offers more extensive video capabilities, including 4K video recording at up to 30fps and 120fps slow-motion recording in Full HD.

4. Which camera has better weather sealing?

The Pentax K-3 III has a more robust weather-sealing system with 101 sealing points compared to the Canon EOS 90D’s 59 sealing points.

5. Which camera has a longer battery life?

The Pentax K-3 III has a slightly longer battery life, with a rating of 800 shots per charge compared to the Canon EOS 90D’s 600 shots.