40 to 150 cf 40 to 150

Started Sep 23, 2009 | Discussions thread
Jay Miller Contributing Member • Posts: 937
Re: 40 to 150 cf 40 to 150

Old lens has sharper images, but more colour error wide open. Old lens does not drop speed as quickly as you increase focal length compared to the newer lens.

Michael Meissner wrote:

Michaelr205 wrote:

I have a 40-150mm f3.5-4.5. What are the main differences (apart from the obvious) between this and the 40-150mm f4-5.6 and how do they compare for picture quality?

If you search back, you will see previous discussions of the differences. The highlights generally include:

  • The f/3.5-4.5 version is roughly 2/3 step faster than the f/4-5.6 version

  • The f/3.5-4.5 version is much bigger and heavier than the f/4-5.6 version

  • The f/3.5-4.5 version has a metal mount while the f/4-5.6 version has a plastic mount

  • The f/3.5-4.5 version is no longer being made by Olympus

  • The f/4-5.6 version will work with contrast detect AF used by live view cameras starting with the E-420/E-520.

  • The f/4-5.6 version focuses much closer than the f/3.5-4.5 version.

  • The f/4-5.6 version does not rotate the front element when focusing, which is easier to use polarizer filters.

  • Both have a 58mm filter size.

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