CaF2 Flat Concave Lens-Suzhou Charm Rain Optics Technology Co., Ltd

CaF2 Flat Concave Lens

产品简介

Product introduction

A concave lens is composed of a plane and a concave sphere that can produce a negative spherical difference, which is often used in the system to expand the light beam or increase the focal length to balance the deviation of other lenses.

Product details

Our company is customized according to customer needs, and the processing capacity is as follows:

range of sizes mm	Thickness range	Surface accuracy	finish	partiality ″	Radius Control (N)	The scope of coating
5-20	>2mm	<RMS 0.02	20-10	30	+/-3	UVU/VIS/NIR
20-60	>3mm	<RMS 0.02	20-10	30	+/-1
60-100	>5mm	<RMS 0.03	40-20	30	+/-1
100-150	>8mm	<RMS 0.04	60-40	60	+/-2
150-300	>10mm	<RMS 0.06	60-40	60	+/-5
measuring equipment	Center thickness measuring instrument	ZYGO	LED lamp visual inspection	Reflective style partial to the heart	All-European spherical radial instrument	The Shimadzu spectrophotometer