A few words on Equivalence and comparing systems

Started Apr 2, 2013 | Discussions thread
MatsP Senior Member • Posts: 2,196
Re: A few words on Equivalence and comparing systems

Just another Canon shooter wrote:

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Nobody in their right mind will make or buy a 80-300/8-11.2 lens for FF regardless of the cost. But on crop, the Canon 55-250 has longer reach, faster aperture in eq. terms, about the same price and at least the same resolution. Which does not mean that it is more practical.

No. The Olympus 40-150 is sharper, I would even say a lot sharper, than the EF-S 55-250. I had that lens once but I sold it. It's well regarded but I was disappointed. The 40-150 is astonishingly good, and if you think of the price for it it's almost unbelievable.

In all respects  that GB listed the 40-150 is equivalent to a FF 80-300/8-11,2, but when I take a picture with it I regard it as a 40-150/4-5,6, which it is, and it gives me the same FOV and same exposure. But deeper DOF and a little more noise, theoretically at least.

 MatsP's gear list:MatsP's gear list
Olympus OM-D E-M5 Olympus E-M1 Olympus M.Zuiko Digital ED 40-150mm 1:4-5.6 R Samyang 7.5mm F3.5 UMC Fisheye MFT Olympus 12-40mm F2.8 +1 more
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