Reasonable Optical Flat (Circle)

S-OFB - S-OFBP - S-OPB - S-WSB

Reasonable Optical Flat (Circle)
Out of stock
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S-OFB - S-OFBP - S-OPB - S-WSB
This lower cost product offering of Plano Glass Substrates has only minimal reduction in surface quality and is perfect for most applications. The surface accuracy and parallelism (tolerance of wedged) is the same as our optical flats used for high quality laser applications.
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Name Diameter φD Rear Surface A x B Delivery Price Add to cart
i
Reasonable Wedged Substrate BK7 30mm Diameter
S-WSB-30C05-10-1
30mm
6-12 weeks
$47.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ30mm
Thickness t 5mm
Wedge angle 1°±5′
Rear surface<b>surface flatness λ/10
i
Reasonable Optical Flat 10mm Diameter 5mm Thick
S-OFB-10C05-10
10mm Ground
6-12 weeks
$11.56
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ10mm
Thickness t 5mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 20mm Diameter 5mm Thick
S-OFB-20C05-10
20mm Ground
6-12 weeks
$16.28
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ20mm
Thickness t 5mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 30mm Diameter 5mm Thick
S-OFBP-30C05-10
30mm Polished
6-12 weeks
$27.84
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ30mm
Thickness t 5mm
Parallelism <3′
Rear surface Polished
i
Reasonable Optical Flat 10×10mm 3mm Thick
S-OFB-10S03-10
Ground 10mm x 10mm
6-12 weeks
$11.56
Material BK7
Surface flatness λ/10
Outer dimension A×B 10×10mm
Thickness t 3mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 20×20mm 3mm Thick
S-OFB-20S03-10
Ground 20mm x 20mm
6-12 weeks
$23.64
Material BK7
Surface flatness λ/10
Outer dimension A×B 20×20mm
Thickness t 3mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 10×15mm 3mm Thick
S-OFB-1015R03-10
Ground 10mm x 15mm
6-12 weeks
$16.28
Material BK7
Surface flatness λ/10
Outer dimension A×B 10×15mm
Thickness t 3mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Parallel 25.4mm Diameter 5mm Thick
S-OPB-25.4C05-10-5
25.4mm
6-12 weeks
$39.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ25.4mm
Thickness t 5mm
Parallelism <5″
Rear surface<b>surface flatness λ/10
i
Reasonable Optical Parallel 40mm Diameter 4mm Thick
S-OPB-40C04-10-5
40mm
6-12 weeks
$68.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ40mm
Thickness t 4mm
Parallelism <5″
Rear surface<b>surface flatness λ/10
i
Reasonable Optical Parallel 50mm Diameter 8mm Thick
S-OPB-50C08-10-5
50mm
6-12 weeks
$100.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ50mm
Thickness t 8mm
Parallelism <5″
Rear surface<b>surface flatness λ/10
i
Reasonable Wedged Substrate BK7 50mm Diameter
S-WSB-50C08-10-1
50mm
6-12 weeks
$118.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ50mm
Thickness t 8mm
Wedge angle 1°±5′
Rear surface<b>surface flatness λ/10
i
Reasonable Optical Flat 15mm Diameter 3mm Thick
S-OFB-15C03-10
15mm Ground
6-12 weeks
$11.56
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ15mm
Thickness t 3mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 25mm Diameter 5mm Thick
S-OFBP-25C05-10
25mm Polished
6-12 weeks
$18.91
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ25mm
Thickness t 5mm
Parallelism <3′
Rear surface Polished
i
Reasonable Optical Flat 40mm Diameter 6mm Thick
S-OFBP-40C06-10
40mm Polished
6-12 weeks
$47.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ40mm
Thickness t 6mm
Parallelism <3′
Rear surface Polished
i
Reasonable Optical Flat 15×15mm 3mm Thick
S-OFB-15S03-10
Ground 15mm x 15mm
6-12 weeks
$16.28
Material BK7
Surface flatness λ/10
Outer dimension A×B 15×15mm
Thickness t 3mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 25×25mm 5mm Thick
S-OFB-25S05-10
Ground 25mm x 25mm
6-12 weeks
$33.00
Material BK7
Surface flatness λ/10
Outer dimension A×B 25×25mm
Thickness t 5mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 25×35mm 5mm Thick
S-OFB-2535R05-10
Ground 25mm x 35mm
6-12 weeks
$47.00
Material BK7
Surface flatness λ/10
Outer dimension A×B 25×35mm
Thickness t 5mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Parallel 30mm Diameter 3mm Thick
S-OPB-30C03-10-5
30mm
6-12 weeks
$47.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ30mm
Thickness t 3mm
Parallelism <5″
Rear surface<b>surface flatness λ/10
i
Reasonable Optical Parallel 40mm Diameter 6mm Thick
S-OPB-40C06-10-5
40mm
6-12 weeks
$68.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ40mm
Thickness t 6mm
Parallelism <5″
Rear surface<b>surface flatness λ/10
i
Reasonable Optical Flat 10mm 3mm Thick
S-OFB-10C03-10
10mm Ground
6-12 weeks
$11.56
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ10mm
Thickness t 3mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 20mm Diameter 3mm Thick
S-OFB-20C03-10
20mm Ground
6-12 weeks
$16.28
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ20mm
Thickness t 3mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 25.4mm Diameter 5mm Thick
S-OFBP-25.4C05-10
25.4mm Polished
6-12 weeks
$18.91
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ25.4mm
Thickness t 5mm
Parallelism <3′
Rear surface Polished
i
Reasonable Optical Flat 50mm Diameter 8mm Thick
S-OFBP-50C08-10
50mm Polished
6-12 weeks
$71.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ50mm
Thickness t 8mm
Parallelism <3′
Rear surface Polished
i
Reasonable Optical Flat 15×15mm 5mm Thick
S-OFB-15S05-10
Ground 15mm x 15mm
2 weeks
$16.28
Material BK7
Surface flatness λ/10
Outer dimension A×B 15×15mm
Thickness t 5mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Flat 30×30mm 5mm Thick
S-OFB-30S05-10
Ground 30mm x 30mm
6-12 weeks
$45.00
Material BK7
Surface flatness λ/10
Outer dimension A×B 30×30mm
Thickness t 5mm
Parallelism <3′
Rear surface Ground
i
Reasonable Optical Parallel 25.4mm Diameter 3mm Thick
S-OPB-25.4C03-10-5
25.4mm
6-12 weeks
$39.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ25.4mm
Thickness t 3mm
Parallelism <5″
Rear surface<b>surface flatness λ/10
i
Reasonable Optical Parallel 30mm Diameter 5mm Thick
S-OPB-30C05-10-5
30mm
6-12 weeks
$47.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ30mm
Thickness t 5mm
Parallelism <5″
Rear surface<b>surface flatness λ/10
i
Reasonable Optical Parallel 50mm Diameter 5mm Thick
S-OPB-50C05-10-5
50mm
6-12 weeks
$100.00
Material BK7
Surface flatness λ/10
Clear aperture 90% of the diameter
Diameter φD φ50mm
Thickness t 5mm
Parallelism <5″
Rear surface<b>surface flatness λ/10

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◦We also offer the fabrication of the substrates with coating per your specific specifications, contact our Sales Division with your request.
◦In addition to the circle, square, rectangular substrates, wedged substrates and high surface accuracy on both sides are available.