10PP – Precision Pinholes Gallery 10PP – Precision Pinholes 옵틱스 Optics, Precision Pinholes 10PP – Precision Pinholes 옵틱스 Optics, Precision Pinholes| - Precision Pinholes- Chemically etched apertures- Apertures formed in vacuum- 4 µm thick [...] 글 내용 전체보기