Reasonable Optical Flats, Polished

Reference number: OSE-S-OPB-25.4C03-10-5

These lower cost optical flats have minimal reduction in surface quality and are suitable for most applications.

Diameter in mm

Thickness in mm

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Description

Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40

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Type: Reasonable Optical parallel Flats
Diameter ØD [mm]: Ø25.4
Thickness t [mm]: 3
Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40

Downloads

OSE-S-OFB_S-OFBP_S-OPB_S-WSB.pdf

DOWNLOAD

Opt_Substratesundamp_Windows_.zip

DOWNLOAD

Type: Reasonable Optical parallel Flats
Diameter ØD [mm]: Ø25.4
Thickness t [mm]: 5
Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40

Downloads

OSE-S-OFB_S-OFBP_S-OPB_S-WSB.pdf

DOWNLOAD

Opt_Substratesundamp_Windows_.zip

DOWNLOAD

Type: Reasonable Optical parallel Flats
Diameter ØD [mm]: Ø30
Thickness t [mm]: 3
Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40

Downloads

OSE-S-OFB_S-OFBP_S-OPB_S-WSB.pdf

DOWNLOAD

Opt_Substratesundamp_Windows_.zip

DOWNLOAD

Type: Reasonable Optical parallel Flats
Diameter ØD [mm]: Ø30
Thickness t [mm]: 5
Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40

Downloads

OSE-S-OFB_S-OFBP_S-OPB_S-WSB.pdf

DOWNLOAD

Opt_Substratesundamp_Windows_.zip

DOWNLOAD

Type: Reasonable Optical parallel Flats
Diameter ØD [mm]: Ø40
Thickness t [mm]: 4
Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40

Downloads

OSE-S-OFB_S-OFBP_S-OPB_S-WSB.pdf

DOWNLOAD

Opt_Substratesundamp_Windows_.zip

DOWNLOAD

Type: Reasonable Optical parallel Flats
Diameter ØD [mm]: Ø40
Thickness t [mm]: 6
Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40

Downloads

OSE-S-OFB_S-OFBP_S-OPB_S-WSB.pdf

DOWNLOAD

Opt_Substratesundamp_Windows_.zip

DOWNLOAD

Type: Reasonable Optical parallel Flats
Diameter ØD [mm]: Ø50
Thickness t [mm]: 5
Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40

Downloads

OSE-S-OFB_S-OFBP_S-OPB_S-WSB.pdf

DOWNLOAD

Opt_Substratesundamp_Windows_.zip

DOWNLOAD

Type: Reasonable Optical parallel Flats
Diameter ØD [mm]: Ø50
Thickness t [mm]: 8
Material: BK7
Surface flatness: λ/10
Clear Aperture: 90% of actual aperture, or a circle or ellipse inscribed in the rectangle of 90% Dimensions
Parallelism [´´]: <5´´
Surface Quality (Scratch-Dig): 60-40