Don't think Sony are going to be selling many of these to their core photographers and at 3476g (7lbs) is a weight lifting course thrown in as well.
Sony Europe and Sony Japan announced the new rugged 500mm f/4.0 lens. And that beast is yours for no less than 13.000 Euro!!! It will be in Stock by April. Those are the key features of the lens:
Longest-ever focal length G Lens from Sony
Bright F4.0 aperture for superior light gathering
Nano AR Coating on optical surfaces for flawless still images and HD video
Compatible with SteadyShot INSIDE featured in all α cameras
New SSM drive circuit for quick, accurate autofocus
Rugged dust- and moisture-resistant design: ideal partner for SLT-A77
Enhanced handling and operability
Technical specifications
Key Specifications 500mm F4 G SSM
Min. aperture F32
No. of aperture blades 9 (Circular aperture)
Max. magnification ratio 0.135
Min. focus 4.0 m
Filter diameter 42 mm (Exclusive)
Dimensions
(Diam. X L) 140 x 367.5 mm
Weight (approx.) 3460 g
Teleconverter compatibility Yes (1.4x: AF and MF Mode, 2x: MF mode)
Dust and moisture resistance Yes
SonyAlphaRumours
Brian






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But Sony users pay more to get less, as I stated. 

But who would actually confess paying more for something he gets less in exchange.
Unfortunately your objective point you have raised seems to stop there. On with the subjective...
How cute, bless you.