Canon 1D Mark IV vs. Nikon D3S – Autofocus Performance [Part 3]

Canon  1D Mark IV vs. Nikon D3s

In Parts 1 and 2 of this series, I provided an introduction to this autofocus evaluation, as well as a brief overview of the Canon 1D Mark IV and Nikon D3S AF systems.  If you have not read the previous installments in this series, you can do so now by clicking the links below:

  1. Canon 1D Mark IV vs. Nikon D3S – Autofocus Performance [Part 1]
  2. Canon 1D Mark IV vs. Nikon D3S – Autofocus Performance [Part 2]

In Part 3 below, we will look more in-depth at images captured during basketball games with the 1D Mark IV and D3S. [Read more…]

SD Association Bumps SD Card Specs to 300MB/s Max

SD Logo

The SD Association has announced a new design that will allow an increase in bus interface speeds for SD-format memory cards up to 300MB/s.  The new design is also backwards compatible with existing devices that accept SD, SDHC and SDXC cards.  To give you an idea of what this transfer speed means in real products, SanDisk’s powerful Extreme Pro line of CF cards is rated at 90MB/s.

More details in the press release below. [Read more…]

iPhone Meets Canon SLR

iPhone Canon SLR

There may not be a practical point to make with this contraption, but it still has a certain novelty factor to it.  One industrious (or maybe bored) iPhone owner, who apparently had an old Canon SLR lying around, decided to gut his SLR to make room for an iPhone mounted on the rear.

The result?

Well, you’ll have to see the video that shows off the Frankencamera below. [Read more…]

New Pentax DSLR(s) This Week?

Pentax K-x

An interesting tidbit from RiceHigh’s Pentax Blog points to a new Pentax DSLR coming on September 9th.  His news is based on the Japanese Business Live Calendar, which apparently points to a new DSLR product from Hoya (Pentax’s parent company) on that date.

Additionally, other recent rumors suggest a new Pentax K-5 and K-r DSLR model.  The K-5 is rumored to be Pentax’s flagship model and the K-r is more of an entry-level model like the Pentax K-x (above).  Rumored specs are listed below. [Read more…]