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Optical Flats (Circle)

OFB - OFBP - OFSQ - OFPXP - OFSQP-C

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Optical Flats (Circle)
Out of stock
SKU
OFB - OFBP - OFSQ - OFPXP - OFSQP-C
These Optical Flats are precision polished on one side to a high accuracy and surface quality. They are suitable substrates to be coated with an optical thin film, such as a custom-made mirror.
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Name Diameter φD Material Rear Surface Delivery Price Add to cart
i
Optical Flat 25mm Diameter λ
OFBP-25C05-1 		25mm BK7 Polished
6-12 weeks
£18.30
Material BK7
Parallelism ＜3′
Diameter φD φ25mm
Thickness t 5mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 10mm λ/10
OFB-10C03-10 		10mm BK7 Ground
3-5 days
£17.90
Material BK7
Parallelism ＜3′
Diameter φD φ10mm
Thickness t 3mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 130mm Diameter λ/4
OFPXP-130C18-4 		130mm Hard glass Polished
3-5 days
£296.30
Material Hard glass
Parallelism ＜3′
Diameter φD φ130mm
Thickness t 18mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 10mm λ/10
OFB-10C05-10 		10mm BK7 Ground
3-5 days
£18.30
Material BK7
Parallelism ＜3′
Diameter φD φ10mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 25mm Diameter λ/20
OFBP-25C05-20 		25mm BK7 Polished
3-5 days
£59.50
Material BK7
Parallelism ＜3′
Diameter φD φ25mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 10mm λ/20
OFB-10C05-20 		10mm BK7 Ground
3-5 days
£35.90
Material BK7
Parallelism ＜3′
Diameter φD φ10mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 150mm Diameter λ/4
OFPXP-150C20-4 		150mm Hard glass Polished
6-12 weeks
£518.60
Material Hard glass
Parallelism ＜3′
Diameter φD φ150mm
Thickness t 20mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 12.7mm λ/10
OFB-12.7C05-10 		12.7mm BK7 Ground
3-5 days
£18.30
Material BK7
Parallelism ＜3′
Diameter φD φ12.7mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 30mm Diameter λ/4
OFBP-30C05-4 		30mm BK7 Polished
6-12 weeks
£36.60
Material BK7
Parallelism ＜3′
Diameter φD φ30mm
Thickness t 5mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 15mm λ/10
OFB-15C03-10 		15mm BK7 Ground
3-5 days
£16.80
Material BK7
Parallelism ＜3′
Diameter φD φ15mm
Thickness t 3mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 40mm Diameter λ
OFBP-40C06-1 		40mm BK7 Polished
6-12 weeks
£37.00
Material BK7
Parallelism ＜3′
Diameter φD φ40mm
Thickness t 6mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 15mm λ/10
OFB-15C05-10 		15mm BK7 Ground
6-12 weeks
£18.30
Material BK7
Parallelism ＜3′
Diameter φD φ15mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 40mm Diameter λ/20
OFBP-40C06-20 		40mm BK7 Polished
3-5 days
£143.70
Material BK7
Parallelism ＜3′
Diameter φD φ40mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 15mm λ/20
OFB-15C05-20 		15mm BK7 Ground
6-12 weeks
£35.90
Material BK7
Parallelism ＜3′
Diameter φD φ15mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 50mm Diameter λ/10
OFBP-50C08-10 		50mm BK7 Polished
6-12 weeks
£107.80
Material BK7
Parallelism ＜3′
Diameter φD φ50mm
Thickness t 8mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 20mm λ/10
OFB-20C03-10 		20mm BK7 Ground
3-5 days
£25.60
Material BK7
Parallelism ＜3′
Diameter φD φ20mm
Thickness t 3mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 100mm Diameter λ
OFPXP-100C15-1 		100mm Hard glass Polished
3-5 days
£133.50
Material Hard glass
Parallelism ＜3′
Diameter φD φ100mm
Thickness t 15mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 20mm λ/20
OFB-20C05-20 		20mm BK7 Ground
6-12 weeks
£50.30
Material BK7
Parallelism ＜3′
Diameter φD φ20mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 130mm Diameter λ
OFPXP-130C18-1 		130mm Hard glass Polished
6-12 weeks
£214.00
Material Hard glass
Parallelism ＜3′
Diameter φD φ130mm
Thickness t 18mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 10mm
OFSQ-10C06-20 		10mm Synthetic fused silica Ground
6-12 weeks
£35.90
Material Synthetic fused silica
Parallelism ＜3′
Diameter φD φ10mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Ground
i
Optical Flat 25mm Diameter λ/10
OFBP-25C05-10 		25mm BK7 Polished
6-12 weeks
£29.70
Material BK7
Parallelism ＜3′
Diameter φD φ25mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 15mm
OFSQ-15C06-20 		15mm Synthetic fused silica Ground
6-12 weeks
£50.30
Material Synthetic fused silica
Parallelism ＜3′
Diameter φD φ15mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Ground
i
Optical Flat 150mm Diameter λ
OFPXP-150C20-1 		150mm Hard glass Polished
3-5 days
£296.30
Material Hard glass
Parallelism ＜3′
Diameter φD φ150mm
Thickness t 20mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 60mm Diameter λ/10
OFPXP-60C10-10 		60mm Hard glass Polished
3-5 days
£179.60
Material Hard glass
Parallelism ＜3′
Diameter φD φ60mm
Thickness t 10mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 30mm Diameter λ
OFBP-30C05-1 		30mm BK7 Polished
6-12 weeks
£22.40
Material BK7
Parallelism ＜3′
Diameter φD φ30mm
Thickness t 5mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 60mm Diameter λ/20
OFPXP-60C10-20 		60mm Hard glass Polished
3-5 days
£359.30
Material Hard glass
Parallelism ＜3′
Diameter φD φ60mm
Thickness t 10mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 30mm Diameter λ/10
OFBP-30C05-10 		30mm BK7 Polished
6-12 weeks
£43.90
Material BK7
Parallelism ＜3′
Diameter φD φ30mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 30mm Diameter λ/20
OFSQP-30C06-20 		30mm Synthetic fused silica Polished
3-5 days
£131.70
Material Synthetic fused silica
Parallelism ＜3′
Diameter φD φ30mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Polished
i
Optical Flat 40mm Diameter λ/4
OFBP-40C06-4 		40mm BK7 Polished
6-12 weeks
£59.50
Material BK7
Parallelism ＜3′
Diameter φD φ40mm
Thickness t 6mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 40mm Diameter λ/20
OFSQP-40C08-20 		40mm Synthetic fused silica Polished
3-5 days
£222.20
Material Synthetic fused silica
Parallelism ＜3′
Diameter φD φ40mm
Thickness t 8mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Polished
i
Optical Flat 50mm Diameter λ
OFBP-50C08-1 		50mm BK7 Polished
6-12 weeks
£59.90
Material BK7
Parallelism ＜3′
Diameter φD φ50mm
Thickness t 8mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 50mm Diameter λ/20
OFSQP-50C10-20 		50mm Synthetic fused silica Polished
in stock
£311.40
Material Synthetic fused silica
Parallelism ＜3′
Diameter φD φ50mm
Thickness t 10mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Polished
i
Optical Flat 50mm Diameter λ/20
OFBP-50C08-20 		50mm BK7 Polished
3-5 days
£215.60
Material BK7
Parallelism ＜3′
Diameter φD φ50mm
Thickness t 8mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 80mm Diameter λ/20
OFPXP-80C12-20 		80mm Hard glass Polished
3-5 days
£469.20
Material Hard glass
Parallelism ＜3′
Diameter φD φ80mm
Thickness t 12mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 20mm λ/10
OFB-20C05-10 		20mm BK7 Ground
3-5 days
£25.60
Material BK7
Parallelism ＜3′
Diameter φD φ20mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 100mm Diameter λ/10
OFPXP-100C15-10 		100mm Hard glass Polished
3-5 days
£251.50
Material Hard glass
Parallelism ＜3′
Diameter φD φ100mm
Thickness t 15mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 25mm Diameter λ/4
OFBP-25C05-4 		25mm BK7 Polished
6-12 weeks
£22.40
Material BK7
Parallelism ＜3′
Diameter φD φ25mm
Thickness t 5mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 60mm Diameter λ
OFPXP-60C10-1 		60mm Hard glass Polished
3-5 days
£74.10
Material Hard glass
Parallelism ＜3′
Diameter φD φ60mm
Thickness t 10mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 130mm Diameter λ/10
OFPXP-130C18-10 		130mm Hard glass Polished
6-12 weeks
£518.60
Material Hard glass
Parallelism ＜3′
Diameter φD φ130mm
Thickness t 18mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 60mm Diameter λ/4
OFPXP-60C10-4 		60mm Hard glass Polished
6-12 weeks
£115.20
Material Hard glass
Parallelism ＜3′
Diameter φD φ60mm
Thickness t 10mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 25.4mm Diameter λ/10
OFBP-25.4C05-10 		25.4mm BK7 Polished
6-12 weeks
£29.70
Material BK7
Parallelism ＜3′
Diameter φD φ25.4mm
Thickness t 5mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 20mm
OFSQ-20C06-20 		20mm Synthetic fused silica Ground
6-12 weeks
£66.80
Material Synthetic fused silica
Parallelism ＜3′
Diameter φD φ20mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Ground
i
Optical Flat 150mm Diameter λ/10
OFPXP-150C20-10 		150mm Hard glass Polished
3-5 days
£592.80
Material Hard glass
Parallelism ＜3′
Diameter φD φ150mm
Thickness t 20mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat Synthetic fused silica 25mm Diameter λ/20
OFSQP-25C06-20 		25mm Synthetic fused silica Polished
3-5 days
£83.80
Material Synthetic fused silica
Parallelism ＜3′
Diameter φD φ25mm
Thickness t 6mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 20−10
Rear surface Polished
i
Optical Flat 30mm Diameter λ/20
OFBP-30C05-20 		30mm BK7 Polished
3-5 days
£87.30
Material BK7
Parallelism ＜3′
Diameter φD φ30mm
Thickness t 5mm
Surface Flatness λ/20
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 80mm Diameter λ
OFPXP-80C12-1 		80mm Hard glass Polished
3-5 days
£102.90
Material Hard glass
Parallelism ＜3′
Diameter φD φ80mm
Thickness t 12mm
Surface Flatness λ
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 40mm Diameter λ/10
OFBP-40C06-10 		40mm BK7 Polished
6-12 weeks
£65.90
Material BK7
Parallelism ＜3′
Diameter φD φ40mm
Thickness t 6mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 80mm Diameter λ/4
OFPXP-80C12-4 		80mm Hard glass Polished
6-12 weeks
£143.70
Material Hard glass
Parallelism ＜3′
Diameter φD φ80mm
Thickness t 12mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 50mm Diameter λ/4
OFBP-50C08-4 		50mm BK7 Polished
6-12 weeks
£65.90
Material BK7
Parallelism ＜3′
Diameter φD φ50mm
Thickness t 8mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 80mm Diameter λ/10
OFPXP-80C12-10 		80mm Hard glass Polished
3-5 days
£185.60
Material Hard glass
Parallelism ＜3′
Diameter φD φ80mm
Thickness t 12mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat 50.8mm Diameter λ/10
OFBP-50.8C08-10 		50.8mm BK7 Polished
3-5 days
£111.10
Material BK7
Parallelism ＜3′
Diameter φD φ50.8mm
Thickness t 8mm
Surface Flatness λ/10
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished
i
Optical Flat BK7 20mm λ/4
OFB-20C05-4 		20mm BK7 Ground
1-2 weeks
£21.60
Material BK7
Parallelism ＜3′
Diameter φD φ20mm
Thickness t 5mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Ground
i
Optical Flat 100mm Diameter λ/4
OFPXP-100C15-4 		100mm Hard glass Polished
3-5 days
£185.20
Material Hard glass
Parallelism ＜3′
Diameter φD φ100mm
Thickness t 15mm
Surface Flatness λ/4
Surface Quality (Scratch-Dig) 10−5
Rear surface Polished

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◦ We offer these substrates in a wide variety shapes and sizes, thickness and surface accuracy to allow for selection according to your required specifications.

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