via Mirrorlessrumors: That lens is quite huge but it’s said to deliver a very high image quality. One source said that the big size was necessary to deliver an impressive performance from center to corner. A f/1.4 lens would have become much larger. What does the “Sonnar” mark stay for? Compared to Planar designs the Sonnars had more aberrations, but with fewer glass-to-air surfaces it had better contrast and less flare (Source: Wikipedia).
The price is about 1100 Euro. More or less the launch price of the [shoplink 8450]Zeiss 24mm f/1.8 APS-C lens[/shoplink].
Reminder: Sony will stream live the A7-A7r and RX10 announcement at 7am London time. Be sure to be online on SonyAlphaRumors by that time to see the presentation, first reviews, preorders and so on! Spread the word! Big party time here on SAR tomorrow :)
Only for manual focusing shooter: There are many possible alternatives if you want a smaller 50mm prime lens:
[shoplink 21846 ebay]Zeiss ZM 50mm f/1.5 (here on eBay)[/shoplink] [shoplink 21847 ebay]Canon FD 50mm f/1.8 (here on eBay)[/shoplink] [shoplink 21848 ebay]Leica M Summicron 50mm f/2.0 (here on eBay)[/shoplink]
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Reminder (SR = Sonyrumor):
SR1=probably fake rumor
SR2=rumor from unknown sources
SR3=50% chance it is correct
SR4=rumor from known sources
SR5=almost certainly correct!