Sony A7 S3 with Sigma lenses series

Taking the S series to a whole new level of full-frame movie expression, spectacular new speed combines with supreme sensitivity and ultra-low noise to put previously impossible 4K movie shoots on the menu, with high dynamic range, breathtaking focusing, and extra-strong image stabilization.It uses a newly developed 12.1MP full-frame CMOS sensor. It now uses an Exmor R back-illuminated that promises faster readout and improved low-light performance. 

Key Features

• 12.1MP1 Exmor R sensor, optimized for 4K, sensitivity and speed
• New BIONZ XR processing engine delivers 8x more processing power2
• Low noise images w/ ISO up to 409,6003 and 15+stop dynamic range4
• Up to 4K 120p5 10-bit 4:2:2 and full pixel readout in all rec. modes
• Up to 4K 120p5 in XAVC S (AVC), XAVC HS (HEVC) and XAVC S-I (All-I)
• Video capture resolution: 4K UHD 2160p. Operating Temperature- 32 - 104 degrees F / 0 - 40 degrees C
• First time ever in an Alpha camera - S-Cinetone picture profile for cinematic look tone and color in video