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    Precision Flat, BK7 Optical Glass

Diameter Tolerance

+/- 0.125 mm

Thickness Tolerance

+/- 0.125 mm

Surface Quality

20-10, scratch-dig or better

Clear Aperture

90%

Edges

Fine ground and beveled

Product Page 1

Diameter,
mm (inches)

Thickness,
mm (inches)

Parallelism

Flatness

Part
Number

Price Each
(USD)

In Stock

Quantity
to Order

Add to Cart

 

 

 

 

 

 

 

25.4

6.35

10'

1/4 wave

E610250

$37

Email

 

 

 

 

 

 

 

38.1

6.35

10'

1/4 wave

E615250

$55

Email

 

 

 

 

 

 

 

50.8

9.53

10'

1/4 wave

E620375

$73

Email

 

 

 

 

 

 

 

25.4

6.35

5"

1/10 wave

E810250

$89

Yes

 

 

 

 

 

 

 

38.1

6.35

5"

1/10 wave

E815250

$126

Email

 

 

 

 

 

 

 

50.8

9.53

5"

1/10 wave

E820375

$160

Email

 

 

 

 

 

 

 

Product Page  1 

Esco Products, Inc.
Tel: 1-800-922-3726 | 1-973-697-3700 | Fax: 1-973-697-3011 | sales@escoproducts.com
Copyright 2005 Esco Products Inc.