Pentax K-3
The Pentax K-3 is the successor to both the K-5 II and K-5 IIs models , which have a 16-megapixel sensor . 
<triplet> Pentax K-3 <subj> K-5 II and K-5 IIs models <obj> follows <triplet> K-5 II and K-5 IIs models <subj> Pentax K-3 <obj> followed by