Saturday, May 29, 2010

Canon 300mm f/4L IS using 2x TC and 1.4x TC - Unboxing and Comparison Video



Here's a newly unboxed Canon EF 300mm f/4L IS. It is ultra sharp and a real alternative to the Canon EF 100-400mm lens. Why did we choose the 300mm f/4L vs. the 100-400mm? Mainly because of the extra sharp goodness and the extra speed. In most real life situations with good light, the comparisons wouldn't matter. But when it comes using two stacked extenders like the example below, the extra sharpness of a prime vs. a zoom truly does matter.


How does this matter for a video application? You can take astrophotography shots and video with this type of equipment:

  1. Canon EF 300mm f/4L IS [ Purchase link ]
  2. Canon 7D DSLR 1.6x crop sensor [ Purchase link ]
  3. 1.4x TC (teleconverter) [ Purchase link ]
  4. 2x TC (teleconverter) [ Purchase link ]
  5. Equals = 1344mm realized focal length
Here's our 300mm f/4L IS stacked with 1.4x and 2x TCs.

1 comment:

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