A few words on Equivalence and comparing systems

Started Apr 2, 2013 | Discussions thread
Ulric
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Re: A few words on Equivalence and comparing systems
In reply to Just another Canon shooter, Apr 3, 2013

Just another Canon shooter wrote:

BTW, one thing that is not equivalent is the price. The 35-70/2.8 costs more that the 70-200/4 Canon or Nikon, and it is equivalent to 70-200/5.6. This is despite the Canon/Nikon lenses having built in IS. At least it is lighter.

The actual equivalent to the 70-200/4 is the Olympus 35-100mm f/2.0 Zuiko. It is a 3.6 lb monster, vs. 1.67 lb for the Canon, and costs twice as much. So twice the weigh and twice the price for an equivalent lens which cannot even match the performance of its f/4 equivalent.

Lastly, one doesn't choose a particular system to get images which are equivalent to another system.  Instead, one chooses a particular system for the best balance of the factors that matter to the them, such as price, size, weight, IQ, DOF range, available lenses, and/or operation.  By understanding which settings on which system create equivalent images, the difference in their capabilities is more easily understood.

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Panasonic Lumix DMC-GF3 Olympus OM-D E-M5 Panasonic Lumix DMC-GM1 Panasonic Lumix G 20mm F1.7 ASPH Panasonic Lumix G 14mm F2.5 ASPH +6 more
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