Have you ever wondered what SAR readers do buy on Amazon? I checked my affiliate sales list and these are the 15 most sold accessories on SonyAlphaRumors during 2015 (Click on links to see the specs and price on Amazon):
Wasabi Power Battery (2-Pack) and Charger
Manfrotto MTPIXI-B PIXI Mini Tripod, Black
Think Tank Photo Retrospective
Foto&Tech IR Wireless Remote Control for Sony
EACHSHOT MK-A7II Wireless Control Battery Grip
Meike® Automatic Extension Tube For Sony E-Mount
Neewer LCD 2.4GHz Wireless Remote Control Pro Battery Grip
Sony a7 Series: From Snapshots to Great Shots
Hoya ultraviolet filter
Gariz Genuine Leather XS-CHLSNBR2 Camera Neck Strap
JJC HC-S Hot Shoe Cover For Sony
JW GSP-A7II 2.5D Tempered Glass Anti-Bubble Anti-scratch
4 Year Camera Accident Protection Plan ($3000-3500)
B+W Multi-Resistant Coating
Tiffen Circular Polarizer
Unsurprisinlgy batteries are on top. But there are many other items I never heard of before I made that list!