Specification

Substrate Material:           BK7
Diameter Tolerance:         +0,-0.2mm
Thickness Tolerance:        ± 0.2mm
Clear Aperture:                >80%
Flatness:                         see the table (@632.8)
Surface Quality:               60-40 scratch and dig
Metal Coating:                 Al,Ag,Au protected

   

Part No.	Coating	Flatness	ф(mm)	t(mm)	Price
CAL0201	Al Protect	l/4	25	3	$12
CAL0202	Al Protect	l/10	25.4	6.35	$22
CAG0201	Ag Protect	l/4	25	3	$18
CAG0202	Ag Protect	l/10	25.4	6.35	$25
CAU0201	Au Protect	l/4	25	3	$22
CAU0202	Au Protect	l/10	25.4	6.35	$30

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