リコー公式
K-3
http://www.ricoh-imaging.co.jp/japan/products/k-3/
K-3II
http://www.ricoh-imaging.co.jp/japan/products/k-3-2/
レンズロードマップ
http://www.ricoh-imaging.co.jp/japan/products/lens/images/K_Mount_Lens.pdf

※前スレ
PENTAX K-3/K-3II Part49
https://mevius.5ch.net/test/read.cgi/dcamera/1527250904/
PENTAX K-3/K-3II Part50
https://mevius.5ch.net/test/read.cgi/dcamera/1546177008/
PENTAX K-3/K-3II Part51
https://mevius.5ch.net/test/read.cgi/dcamera/1557645564/
PENTAX K-3/K-3II Part52
https://mevius.2ch.net/test/read.cgi/dcamera/1564615605/
PENTAX K-3/K-3II Part53
https://mevius.5ch.net/test/read.cgi/dcamera/1570714519/
PENTAX K-3/K-3II Part54
http://mevius.5ch.net/test/read.cgi/dcamera/1579195572/
PENTAX K-3/K-3II Part55
https://mevius.5ch.net/test/read.cgi/dcamera/1590564606/