ISO 9001 - AS 9100 - ITAR Standard & Custom Optical Filters and Coatings
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Price
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5-piece Kron/Cousins UBVRI filter set, 50mm sq.
KRON-FA-50S
$2,807.00
Qty To Buy:
Description5-piece Kron/Cousins UBVRI filter set, 50mm sq.

Estimated Delivery: 2-3 Days
5-piece Johnson/Bessel UBVRI filter set, 50mm dia.
JOHN-FA-50
$2,887.00
Qty To Buy:
Description5-piece Johnson/Bessel UBVRI filter set, 50mm dia.

Estimated Delivery: 2-3 Days
5-piece Johnson/Bessel UBVRI filter set, 50mm sq.
JOHN-FA-50S
$2,887.00
Qty To Buy:
Description5-piece Johnson/Bessel UBVRI filter set, 50mm sq.

Estimated Delivery: 2-3 Days
5-piece Kron/Cousins UBVRI filter set, 25mm dia.
KRON-FA-25
$1,092.00
Qty To Buy:
Description5-piece Kron/Cousins UBVRI filter set, 25mm dia.

Estimated Delivery: 2-3 Days
5-piece Kron/Cousins UBVRI filter set, 50mm dia.
KRON-FA-50
$2,735.00
Qty To Buy:
Description5-piece Kron/Cousins UBVRI filter set, 50mm dia.

Estimated Delivery: 2-3 Days
Kron/Cousins U type filter/50mm x 50mm
KRON-U-50S
$623.00
Qty To Buy:
Filter TypeKron/Cousins U Filter Filter
Bandwidth60nm nom
Minimum Transmission60%
Size50.0 x 50.0+0.0/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson U type filter/1.25 dia. (mounted) For Astronomy Telescopes
JOHN-U-31M
$268.00
Qty To Buy:
Filter TypeJohnson/Bessel U Filter Filter
Bandwidth60nm nom
Minimum Transmission60%
Size31¯+0/-0.25mm
Thickness10 +nom/-nom mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Kron/Cousins R type filter/50mm dia.
KRON-R-50
$849.00
Qty To Buy:
Filter TypeKron/Cousins R Filter Filter
Bandwidth250nm nom
Minimum Transmission85%
Size50.0+0.0/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson R type filter/1.25 dia. (mounted) For Astronomy Telescopes
JOHN-R-31M
$268.00
Qty To Buy:
Filter TypeJohnson/Bessel R Filter Filter
Bandwidth120nm nom
Minimum Transmission85%
Size31.0+0/-0.25mm
Thickness10 +nom/-nom mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson B type filter/31mm dia.(un-mounted) For Astronomy Telescopes
JOHN-B-31
$266.00
Qty To Buy:
Filter TypeKron/Cousins B Filter Filter
Bandwidth100nm nom
Minimum Transmission70%
Size31.0+0.00/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Kron/Cousins B type filter/25mm dia.
KRON-B-25
$242.00
Qty To Buy:
Filter TypeKron/Cousins B Filter Filter
Bandwidth100nm nom
Minimum Transmission70%
Size25.0+0.00/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson U type filter/50mm dia.
JOHN-U-50
$608.00
Qty To Buy:
Filter TypeJohnson/Bessel U Filter Filter
Bandwidth60nm nom
Minimum Transmission60%
Size50.0 +0/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Kron/Cousins I type filter/25mm dia.
KRON-I-25
$242.00
Qty To Buy:
Filter TypeKron/Cousins I Filter Filter
Bandwidth175nm nom
Minimum Transmission85%
Size25.0 +0.00/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson R type filter/50mm dia.
JOHN-R-50
$608.00
Qty To Buy:
Filter TypeJohnson/Bessel R Filter Filter
Bandwidth120nm nom
Minimum Transmission85%
Size50.0 +0/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson V type filter/31mm dia.(un-mounted) For Astronomy Telescopes
JOHN-V-31
$266.00
Qty To Buy:
Filter TypeKron/Cousins V Filter Filter
Bandwidth90nm nom
Minimum Transmission85%
Size31.0+0.00/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Kron/Cousins B type filter/1.25 dia. (mounted) For Astronomy Telescopes
KRON-B-31M
$268.00
Qty To Buy:
Filter TypeKron/Cousins B Filter Filter
Bandwidth100nm nom
Minimum Transmission70%
Size31.0+0.00/-0.25mm
Thickness10 +nom/-nom mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson B type filter/25mm dia.
JOHN-B-25
$242.00
Qty To Buy:
Filter TypeJohnson/Bessel B Filter Filter
Bandwidth100nm nom
Minimum Transmission70%
Size25.0 +0.00/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Kron/Cousins I type filter/1.25 dia. (mounted) For Astronomy Telescopes
KRON-I-31M
$268.00
Qty To Buy:
Filter TypeKron/Cousins I Filter Filter
Bandwidth175nm nom
Minimum Transmission85%
Size31.0+0.00/-0.25mm
Thickness10 +nom/-nom mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson R type filter/50mm x 50mm
JOHN-R-50S
$623.00
Qty To Buy:
Filter TypeJohnson/Bessel R Filter Filter
Bandwidth120nm nom
Minimum Transmission85%
Size50.0 x 50.0+0/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days
Johnson R type filter/31mm dia.(un-mounted) For Astronomy Telescopes
JOHN-R-31
$266.00
Qty To Buy:
Filter TypeJohnson/Bessel R Filter Filter
Bandwidth120nm nom
Minimum Transmission85%
Size31.0+0/-0.25mm
Thickness5.0 +0.1/-0.1 mm
Transmitted wavefront1/4 wave per 25mm
A/R coatingsBoth exterior surfaces

Estimated Delivery: 2-3 Days