New Canon EOS M with EF-M Mount

Started Jul 20, 2012 | Discussions thread
Senior MemberPosts: 1,022
Re: New Canon EOS M with EF-M Mount
In reply to zxaar, Jul 21, 2012

Sensor size and lens design really presents some challenging design considerations in this class of camera. The kit zooms for APS-C cameras have slow apertures and aren't that small. The available f2.8 zooms, though mostly designed originally for ff, are considerably larger and more expensive. In the m43 world the original asking price for the Pannasonic 12-35mm f2.8 is about $1300 USD. On the surface a camera like the new Sony RX100 looks like a huge upgrade in the high end compact market. The but is that the lens is pretty darn slow and the real world advantage may not be so clear when it's compared to cameras with smaller sensors and much faster zoom lenses. The larger the sensor the more challenging it is to make relatively fast, small, light, and affordable lenses. IMO, the available lens lineup is the real weakness in the NEX line. In the dSLR world things like lens size and weight aren't generally that important. But one of the real selling points of this class of camera is the smallish size and lighter weight. So it's a real balancing act for camera designers. All else being equal, a larger sensor should be able to provide better IQ. But it the real world smaller sensors with faster lenses might be a better combination. Camera makers are trying to find the right balance.

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