baccalaureateclass Pentax is nothing but- Pentax is a brand name used primarily by Japanese multinational imaging and electronics company Ricoh for cameras, sport optics (including binoculars and rifle scopes), and CCTV optics.https://www.baccalaureateclass.com/ib-physics-tuition
xmeda Jinak tedy.. na stole mam K3 a ve skrince K5 a K20D.... a docela kopec objektivu od M42 manualu pres 35/1.4 az po 50-500..
poma236 Snažím se fotit s K-1 a objetivy Tamron 28-75 2,8, Tamron 70-200 2,8, Irix 15/2,4, Pentax 1,4/50, Tamron 90 1:2,8 Macro. Zřídka i kompaktem Canon G5 X.