The F2.8 choice, 12-40mm vs 12-35mm

Started Sep 9, 2013 | Discussions thread
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Cipher Senior Member • Posts: 2,617
Is the 12-40mm really a non-extending lens?

azazel1024 wrote:

I guess it just depends. Do you need the closer focus? It is double the reproduction size of the Panny (well, close). It also goes to 40mm, which is not an inconsiderable difference depending on what you are shooting. It also is a constant length where as the Panny is a dust pumper (made up term). The weather sealing may also be better on the Olympus, but that is pure conjecture, I have heard of no problems with the Panasonic's weather sealing.

Just from this photo, the end looks like it'll extend when you zoom. How else do you explain the "gap" just below where the hood attaches? The patent also indicates a length of 131.16mm – 140.24.

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