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EF 100-400mm f/4.5-5.6L IS II vs EF 300mm f/4L IS + Ext. 1.4x III

Started Jul 25, 2015 | Discussions thread
dhogaza Regular Member • Posts: 343
Re: EF 100-400mm f/4.5-5.6L IS II vs EF 300mm f/4L IS + Ext. 1.4x III

SnappyChappie wrote:

The f/4 aperture is better in low light and to isolate your subject better from the background. The image quality is really good - it maybe an older lens but it's still an "L"!

You won't lose the lens hood on the 300 as it's always attached (but u can retract it) which is really neat.

The "L" designation simply means it covers full-frame, has UD or fluorite elements, or (relevant to wide-angle lenses) aspherical ground-glass elements.

It says nothing about the quality of the design itself, and in the case of the 300/4, it's old, and lens design has really moved qualitatively forward in the last decade or so.

Much to my surprise as an old-time photographer.

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