Sony a7S II Preview: The Best Low-Light Camera Ever?

Sony's new a7S II (on Amazon http://help.tc/a7s2) fixes the biggest problems with the original a7S. Is it worth the extra cost, or should you buy an a7R II instead? (on Amazon http://help.tc/a7rII).

Also see these related videos:
* a7R II Review, Part 1:    • a7R II Review: vs 5DS-R, D810, GH4, a...  
* a7R II Review, Part 2:    • Sony a7RII Review (Part 2): IQ Re-tes...  
* a7S vs GH4 vs NX1:    • a7S vs GH4 vs NX1: 4k UltraHD Video C...  
* a7S vs a7II vs D810:    • Sony a7II vs a7S vs Nikon D810 Low-li...  
* a7 II Review:    • Sony a7II Review  
* a6000 Review:    • Sony a6000 review (vs E-M10)  

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STARTER CAMERAS:
Basic Starter Camera ($280 used at Amazon): Canon T3 http://help.tc/t3
Better Starter Camera ($500 at Amazon): Nikon D5300 http://help.tc/d5300
Better Travel Camera ($500 at Amazon): Olympus OM-D E-M10 Mark II http://help.tc/em10ii

LANDSCAPE CAMERAS:
Good ($550 at Amazon): Sony a6000 http://help.tc/a6000
Better ($1,400) at Amazon: Nikon D5500 http://help.tc/D5500 & Sigma 18-35mm f/1.8 http://help.tc/s35
Best ($3,150) at Amazon: Pentax K-1 http://help.tc/K1 & Pentax 24-70 f/2.8 http://help.tc/p24

PORTRAIT CAMERAS:
Beginner ($950 at Amazon): Canon T6i http://help.tc/t6i & Canon 50mm f/1.8 http://help.tc/c50
Better ($3,000 at Amazon): Nikon D610 http://help.tc/d610 & Tamron 70-200 f/2.8 http://help.tc/t200
Best ($5,300) at Amazon: Nikon D810 http://help.tc/d810 & Nikon 70-200 f/2.8E http://help.tc/n200e

WILDLIFE CAMERAS:
Starter ($1,100 at Amazon): Canon 7D http://help.tc/7D & Canon 400mm f/5.6 http://help.tc/c400
Great ($3,200 at Amazon): Nikon D500 http://help.tc/d500 & Nikon 200-500 f/5.6 http://help.tc/n500

VIDEO CAMERAS:
Beginner ($500 at Amazon): Panasonic G7 http://help.tc/g7 & Panasonic 14-42mm http://help.tc/p42
Better ($1,400 at Amazon): Panasonic GH4 http://amzn.to/2p5dAmD & Panasonic 14-140 f/3.5-5.6 http://help.tc/p140
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Beginner ($400 at Amazon): DJI Phantom 3 http://help.tc/p3
Travel ($1,000 at Amazon): DJI Mavic Pro http://help.tc/Mavic
Better Image Quality ($1,500 at Amazon): DJI Phantom 4 Pro http://help.tc/p4p