Sony A7 and A7R: Beginner's Guide

Book excerpt: Among the Alpha line of cameras from Sony are the A7 and the A7R models. Both models are full-frame mirror-less cameras that were introduced to the market in 2014.The physical characteristics of both devices are comparable; both offering sound outer coating to enable durability for users. The A7 model features a contrast auto focus capabilities, electronic front-shutter curtain with a unique quiet shutter mode, 1/250 flash sync speed, burst rates as fast as 5fps and a 24.3MP CMOS sensor. The A7R camera is the more expensive of the two models and is able to boast a high resolution 36.4 MP imaging sensor. The sensor is equipped with gap-less micro lens. Other features of the A7R are burst speeds of 4fps, top flash-sync speed of 1/160 and 1080p AVCHD video. The book will be exploring the variety of features and functionality of both the Alpha A7 and the Alpha A7R cameras.