What To Know
- The D700 has a wider ISO range, extending from 200 to 6400, while the D90’s range is limited to 200-3200.
- The D700 utilizes a pentaprism viewfinder, which provides a brighter, more accurate view of the scene compared to the D90’s pentamirror viewfinder.
- On the other hand, the D90 is a more budget-friendly option that still delivers excellent results for those starting out in astrophotography.
Astrophotography, the art of capturing celestial objects, demands specialized equipment capable of handling low-light conditions and capturing intricate details. Two popular options for aspiring astrophotographers are the Nikon D700 and Nikon D90. In this comprehensive comparison, we delve into the key differences between these two cameras to help you make an informed decision.
Sensor: Full-Frame vs. APS-C
The D700 boasts a full-frame sensor, while the D90 uses an APS-C sensor. Full-frame sensors have larger physical dimensions, allowing them to capture more light and produce images with a wider dynamic range and reduced noise. This makes the D700 more suitable for capturing faint celestial objects.
Resolution: 12MP vs. 12.3MP
Both cameras offer similar resolutions, with the D700 at 12MP and the D90 at 12.3MP. While the difference is negligible, the D90’s slightly higher resolution may provide a marginal advantage in capturing fine details.
ISO Range: 200-6400 vs. 200-3200
The D700 has a wider ISO range, extending from 200 to 6400, while the D90’s range is limited to 200-3200. A higher ISO range allows you to shoot in darker conditions without introducing excessive noise. The D700’s expanded ISO options make it more versatile for astrophotography.
Image Stabilization: Yes vs. No
The D700 features built-in image stabilization, which compensates for camera shake and reduces blur, especially when shooting at slower shutter speeds. This feature can be highly beneficial for astrophotography, where long exposures are common. The D90 lacks image stabilization, making a tripod essential for sharp images.
Viewfinder: Pentaprism vs. Pentamirror
The D700 utilizes a pentaprism viewfinder, which provides a brighter, more accurate view of the scene compared to the D90’s pentamirror viewfinder. This is particularly important for astrophotography, where precise framing and focusing are crucial.
Live View: Yes vs. No
The D700 offers live view functionality, allowing you to preview the scene on the LCD screen before capturing the image. This feature can be helpful for astrophotography, as it enables you to fine-tune focus and composition without disturbing the camera’s position. The D90 does not have live view capability.
Other Features
- Video Recording: The D700 can record 1080p video, while the D90 is limited to 720p.
- Battery Life: The D700 has a longer battery life than the D90, making it suitable for extended astrophotography sessions.
- Weather Sealing: The D700 is weather-sealed, providing protection from dust and moisture, which is beneficial for outdoor astrophotography.
Key Points: Choosing the Right Camera for Astrophotography
Both the Nikon D700 and Nikon D90 offer unique advantages for astrophotography. The D700’s full-frame sensor, wider ISO range, image stabilization, and live view functionality make it the preferred choice for demanding astrophotographers seeking superior image quality and versatility. On the other hand, the D90 is a more budget-friendly option that still delivers excellent results for those starting out in astrophotography.
What You Need to Learn
Q: Which camera has a higher dynamic range?
A: The D700’s full-frame sensor provides a wider dynamic range than the D90’s APS-C sensor.
Q: Can I use the D90 for astrophotography without a tripod?
A: While the D90 does not have image stabilization, using a tripod is strongly recommended for sharp astrophotographs, especially when shooting at slower shutter speeds.
Q: Which camera is better for deep-sky astrophotography?
A: The D700’s full-frame sensor, wider ISO range, and live view functionality make it the more suitable option for deep-sky astrophotography.
