What To Know
- The Nikon D90, while not as rugged as the K20D, still offers a solid build quality and is weather-resistant to a certain extent.
- The Pentax K20D is part of the Pentax K-mount system, which offers a wide range of compatible lenses from both Pentax and third-party manufacturers.
- If you prefer better autofocus performance, a wider lens compatibility, and a higher resolution LCD screen, the D90 might be a better choice.
The Pentax K20D and Nikon D90 are two renowned DSLR cameras that have graced the photography world for years. Both cameras offer impressive features and capabilities, making them popular choices among enthusiasts and professionals alike. In this comprehensive comparison, we delve into the key differences between these two iconic DSLR cameras to help you make an informed decision.
Sensor and Image Quality
The Pentax K20D boasts a 14.6MP CMOS sensor, while the Nikon D90 features a 12.3MP CMOS sensor. Despite the difference in megapixels, both cameras deliver exceptional image quality with accurate colors, sharp details, and a wide dynamic range. The K20D sensor has a slightly larger surface area, which can contribute to better low-light performance and reduced noise at higher ISO settings.
Autofocus and Performance
The K20D employs a 11-point SAFOX VIII autofocus system, providing fast and accurate focusing even in challenging lighting conditions. The Nikon D90, on the other hand, features a 11-point Multi-CAM 1000 autofocus system, which offers similar performance but with slightly improved subject tracking capabilities. Both cameras offer continuous shooting speeds of up to 3 frames per second (fps), making them suitable for capturing fast-paced action.
Build Quality and Weather Resistance
The Pentax K20D is renowned for its rugged construction and weather resistance. It features a magnesium alloy body, weather-sealed controls, and a durable lens mount. This makes it an ideal choice for photographers who frequently shoot in harsh outdoor conditions. The Nikon D90, while not as rugged as the K20D, still offers a solid build quality and is weather-resistant to a certain extent.
Viewfinder and LCD Screen
The K20D sports a large and bright pentaprism viewfinder with a magnification of 0.92x. This provides a comfortable and immersive shooting experience. The Nikon D90 has a pentamirror viewfinder with a slightly lower magnification of 0.8x. Both cameras feature 3-inch LCD screens with a resolution of 921k dots, offering clear and detailed image playback.
Lens Compatibility and System Support
The Pentax K20D is part of the Pentax K-mount system, which offers a wide range of compatible lenses from both Pentax and third-party manufacturers. The Nikon D90 uses the Nikon F-mount system, which also has a vast selection of lenses available. However, the Nikon F-mount has a longer flange distance, which allows it to mount lenses from other systems with the use of adapters.
Price and Availability
The Pentax K20D was released in 2008 and is now discontinued. It can be found second-hand at various prices depending on its condition. The Nikon D90 was released in 2008 and is also discontinued. It can be found second-hand at slightly higher prices than the K20D.
Ultimate Verdict
Choosing between the Pentax K20D and Nikon D90 ultimately depends on your individual needs and preferences. If you prioritize ruggedness, weather resistance, and a large viewfinder, the K20D is an excellent option. If you prefer better autofocus performance, a wider lens compatibility, and a higher resolution LCD screen, the D90 might be a better choice. Both cameras offer exceptional image quality, making them great options for enthusiasts and professionals alike.
Frequently Asked Questions
Q: Which camera has better autofocus performance?
A: The Nikon D90 has a slightly better autofocus system with improved subject tracking capabilities.
Q: Which camera is more weather-resistant?
A: The Pentax K20D has a more rugged construction and is more weather-resistant than the Nikon D90.
Q: Which camera has a larger viewfinder?
A: The Pentax K20D has a larger and brighter pentaprism viewfinder with a magnification of 0.92x.
Q: Which camera has a higher resolution LCD screen?
A: Both cameras have 3-inch LCD screens with a resolution of 921k dots.
Q: Which camera is more affordable?
A: The Pentax K20D is generally more affordable than the Nikon D90 in the used market.
