I have just been told by one source that the QX100 lenscamera featuring the same RX100MII sensor and lens will be priced at around $450. That is $300 less than the price of the RX100MII camera ($748 here at Amazon).
And there is also a Tawian site (ePrice) sharing the price in NT currency:
QX100 = NT$14,900 = 370 EUR
QX10 = NT$6,900 = 170 EUR
At $450 this lens may be a good solution if you want the RX100MII quality for less!
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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!