Canon EOS 1D Mark IV vs. Canon EOS 1Ds Mark III

Attribute	Canon EOS 1D Mark IV	Canon EOS 1Ds Mark III
Resolution	16.1 MP	21.1 MP
Sensor Type	APS-H CMOS	Full Frame CMOS
ISO Range	100-12800 (expandable to 102400)	100-1600 (expandable to 50-3200)
Continuous Shooting Speed	10 fps	5 fps
Autofocus Points	45	45
Viewfinder Type	Pentaprism	Pentaprism
LCD Screen Size	3.0 inches	3.0 inches
Video Recording	Yes (1080p)	No
Weight	1180 g	1385 g

Introduction

When it comes to professional-grade DSLR cameras, Canon has always been a top contender. The Canon EOS 1D Mark IV and Canon EOS 1Ds Mark III are two exceptional models that have gained popularity among photographers worldwide. In this article, we will compare the attributes of these two cameras, highlighting their similarities and differences, to help you make an informed decision based on your specific needs and preferences.

Image Quality

Both the Canon EOS 1D Mark IV and Canon EOS 1Ds Mark III offer outstanding image quality, thanks to their full-frame sensors. However, the Canon EOS 1Ds Mark III edges slightly ahead in terms of resolution, boasting a 21.1-megapixel sensor compared to the 16.1-megapixel sensor of the Canon EOS 1D Mark IV. This higher resolution allows for more detailed and sharper images, making it an excellent choice for photographers who prioritize capturing fine details in their shots.

On the other hand, the Canon EOS 1D Mark IV compensates for its lower resolution with its advanced image processing capabilities. It features Canon's DIGIC 4 image processor, which enhances image quality, reduces noise, and improves overall performance. This processor enables the camera to handle high ISO settings exceptionally well, resulting in clean and noise-free images even in low-light conditions.

Speed and Performance

When it comes to speed and performance, both cameras are highly impressive, but the Canon EOS 1D Mark IV takes the lead in this category. It offers a faster continuous shooting speed of 10 frames per second (fps) compared to the 5 fps of the Canon EOS 1Ds Mark III. This makes the Canon EOS 1D Mark IV an ideal choice for sports, wildlife, and action photographers who need to capture fast-moving subjects with precision.

Furthermore, the Canon EOS 1D Mark IV features an advanced autofocus system with 45 autofocus points, including 39 cross-type points. This system ensures quick and accurate focusing, even in challenging shooting conditions. On the other hand, the Canon EOS 1Ds Mark III has a slightly older autofocus system with 45 autofocus points, but only 19 of them are cross-type. While still reliable, it may not perform as well in tracking moving subjects as the Canon EOS 1D Mark IV.

Build and Durability

Both the Canon EOS 1D Mark IV and Canon EOS 1Ds Mark III are built to withstand the rigors of professional use. They feature robust magnesium alloy bodies that are weather-sealed, making them resistant to dust and moisture. This ensures that the cameras can be used in various challenging environments without compromising their performance.

However, the Canon EOS 1Ds Mark III has a slight advantage in terms of durability. It has been tested to endure approximately 300,000 shutter actuations, while the Canon EOS 1D Mark IV is rated for around 300,000 actuations. Although the difference is minimal, it may be a deciding factor for photographers who frequently shoot in demanding conditions and require a camera that can withstand heavy use over an extended period.

Video Capabilities

Both cameras offer video recording capabilities, but the Canon EOS 1D Mark IV excels in this aspect. It can record Full HD videos at a maximum resolution of 1920x1080 pixels, while the Canon EOS 1Ds Mark III is limited to recording videos at 640x480 pixels. The Canon EOS 1D Mark IV also provides more advanced video features, including manual exposure control, external microphone input, and the ability to adjust frame rates.

Moreover, the Canon EOS 1D Mark IV features a dedicated video recording button, allowing users to start and stop video recording instantly. This convenience is particularly beneficial for videographers who need to switch between capturing stills and recording videos quickly.

Price

Price is often a significant factor when choosing a camera, and in this regard, the Canon EOS 1D Mark IV and Canon EOS 1Ds Mark III differ significantly. The Canon EOS 1D Mark IV is generally more affordable, making it a more accessible option for photographers on a tighter budget. On the other hand, the Canon EOS 1Ds Mark III, being an older and more specialized model, tends to be pricier, making it a preferred choice for professionals who require its specific features and capabilities.

Conclusion

Both the Canon EOS 1D Mark IV and Canon EOS 1Ds Mark III are exceptional cameras that cater to the needs of professional photographers. While the Canon EOS 1Ds Mark III offers higher resolution and slightly better durability, the Canon EOS 1D Mark IV excels in speed, autofocus performance, and video capabilities. Ultimately, the choice between these two cameras depends on your specific requirements, shooting style, and budget. Whichever model you choose, you can be confident in Canon's renowned image quality and reliability.