Thursday, October 22nd, 2009 at
1:01 am
Here are some of the key highlights and differences between Canon EOS-1D Mark IV and Nikon D3s:
- Fast 10 frames per second operation (Nikon D3s is 9 FPS).
- Default ISO range of 100-12800 with “boost” modes up to ISO 102400 (Nikon D3s is 200-12800 & also up to ISO 102400).
- Full HD 1080p video recording capability (Nikon D3s is only 720p).
- A large buffer that can handle up to 121 large JPEG images (Nikon D3s can handle 130 JPEGs @ 12.1 mp).
- A brand new 45 point auto focus system (Nikon D3s has 51 focus points).
- Both Canon EOS-1D Mark IV and Nikon D3s have the same 3″ size screens with 920,000 pixels
- Canon EOS-1D Mark IV features a 16.1 megapixel CMOS sensor (Nikon D3s has a 12.1 mp CMOS sensor).
- The sensor on Canon EOS-1D Mark IV has a 1.3x crop factor (not full frame), whereas the Nikon D3s sports a full frame sensor (FX).
- Canon EOS-1D Mark IV is priced at $4,999.00, while Nikon D3s is priced at $5,199.95.
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Tuesday, October 20th, 2009 at
3:11 pm

The new Canon EOS 1D Mark IV Digital SLR camera. The new EOS 1D Mark IV is according to Canon a high-speed multimedia performance monster.
The new EOS 1D Mark IV camera features 1080p Full High-Definition video capture at selectable frame rates packaged in Canon’s most rugged and durable professional camera body.
Features of the Canon EOS 1D Mark IV include:
-16MP Canon CMOS sensor
- 3-inch display Dual DIGIC 4 Imaging Processors
-14-bit A/D data conversion, all at 10 frames-per-second (fps), with the widest ISO range (ISO 100-12,800 / Expansion settings of L: 50 for bright light or H1: 25,600, H2: 51,200, and H3: 102,400) Canon has produced to date
Highlight of the Canon 1D Mark IV Digital SLR is its new autofocus system that starts with 45 AF points including 39 high-precision cross-type focusing points capable of tracking fast moving athletes or wildlife accurately at speeds up to 10 frames per second.
With greater subject detection capability than ever before plus a newly redesigned AI Servo II AF predictive focusing algorithm, the Canon EOS-1D Mark IV camera sets new standards for autofocus performance among professional digital SLRs.
The Canon EOS 1D Mark IV is available for pre-order for $4,999.99 at Amazon
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