Yea so roughly, you want what I have imagined back in early 2014 ?? I think I crystallised most of what ppl REALLY want, but Japan is pretty slow understanding us.
SIGMA SP :
The fusion between SD and DP.
- New Merrill+ "dragon" Foveon sensor , ISO range 100-6400 (pushed 50-8000). 18Mp x 3 = 54 Mp. 24x36mm sensor size.
- 1000 ISO shoots as clean as 100 ISO shoots.
- New processor TRUE IV engine for faster processing and video.
- Video H264 - 30fps / 60fps / 120fps
- Batteries life up to 600 frames.
- First grade aluminium body and aluminium chassis.
- Extensively weather-sealed, all joins and ports featuring protective lips and bungs.
- 3" TFT LCD monitor with brightness/color adjustment and AR coating - 921,000 dots.
- Double SDXC card slot.
- New 4Focus feature : AF, MF by the lens or MF by a custom wheel on the back (ala DP2s). Continuous contrast focus for video and sport action.
- Customisable back wheel.
- Swappable IR filter.
- Electronic level.
- Wifi remote control + tethering options (remote not included).
- Electronic finder - orientable 2.4m dot OLED display pluggable on the hotshoe (not included).
- AF assist lamp.
- No curtain, no mirror, no mechanical pieces for an extra long life.
SIGMA SX :
lens line specifications.
- The world first Leaf shutter compact lenses.
- For now, 3 lenses available - LS19mm f2.8 - LS35mm f1.4 and LS50mm f1.2
- Electronic leaf shutter 30 sec to 1/8000 + bulb mode possible.
- First grade aluminium.
- Extensively weather-sealed