Leaked: Sony FE 400mm f/4.5 and 600mm f/6.3 GM OSS Specs and Pricing

Per Sony Alpha Rumors, citing a Fredmiranda forum post, Sony is expected to announce two new GM telephoto primes within two to three weeks: an FE 600mm f/6.3 GM OSS (unconfirmed ~$3,800 USD, 995g, 108x263mm) and an FE 400mm f/4.5 GM OSS (unconfirmed ~$2,699-$2,899 USD, 994g, 108x242mm). Both are claimed to be the world's lightest in their class. A third lens, an 8-14mm f/3.5 fisheye (~$1,499 USD), is also named. Specs and pricing are unconfirmed.