The previously reported Viltrox AF 28mm /4.5 FE "Chip" ultra-thin pancake lens is now listed for sale on Indiegogo. The weighs only 60g and is just 15.3mm thick.
Indiegogo has already collected $154,906 USD from 1,597 backers with 14 more days to go:
Update: the first batch is almost sold out, second batch is coming in November:
