FOV = 2mm / Pentax K-5IIs + Pentax Helicoid Extension Tube K + Rayqual
M42/PK Mount Adapter
+Pentax Auto Bellows (M42)+ Borg M42/L39 Adapter(7844)+ Rayqual OM /L39
Mount Adapter + OM 20mm F2
Grossular Garnet with Diopside
Ca3Al2(SiO4)3 Nishiwada, Ogose-machi, Iruma Co., Saitama Pref., Japan
é‹ÊŒ§“üŠÔŒS‰z¶’¬¼˜a“c
A tiny, but gemmy crystal of Grossular Garnet with Diopside.