why not f/1.2 by Sony?

Started May 14, 2013 | Discussions thread
tko Forum Pro • Posts: 12,313
that's not a fast lens

Don't know why people call this a fast lens.

F1.2 35MM = F1.8 50MM (there is a reason the OP picked those numbers.)

That's a cheap and light FF lens. $110 in the Canon mount. 4.6 oz.

So what about the NEX system turns a cheap Canon FF lens into an expensive and heavy Sony crop lens?

Trollmann wrote:

Most likely because fast lenses tend to become expensive, heavy and bulky. Fast lenses also usually suffer from vignetting and coma at maximum aperture, and making fast lenses lenses compact only worsen this problem. It seems like most Nex buyers are into affordable, handy and compact lenses.

With excellent high ISO performance fast lenses might have lost some appeal for common users.

Seems like moderately fast super high quality lenses like the Touits have more appeal than sheer aperture alone.

Guess the Touits will sell well and bring more flair to the entire Nex line of cameras.

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