Made in Germany, Design by Thomas Back TMB Supermonocentric 12mm Made in 2006 First Run Second Generation FOV=32 deg, ER=(0.85)FL=10.2mm Equal to Zeiss Abbe, among very best 12mm planetary eyepieces ever made. これは、これまで製造された中で 光学的にも最高の 12mmアイピースです。 This is a very, very rare and precious lens. 大変 とても 貴重で稀有な レンズです !