Economical Longpass Filter
Longpass filters provide a wide blocking bandwidth, high blocking depth, high transmission and high blocking slope. They are widely used in fluorescence excitation spectrum measurement, Raman spectrum, spectral group and astronomical observation applications. Widely used in imaging optical systems and machine vision systems to eliminate interfering light, the provide improved the imaging quality and sensitivity of the system.
Economical Longpass Filter
Material Optical Grade Float Glass (B270)
Transmitted Wavefront error λ/ 4 @ 633 nm
Parallelism <30arcsec
Surface Quality 40-20
Diameter Tolerance +0.0/-0.1mm
Thickness 2mm ±0.2mm
* Central Wavelength(λC) Tolerance ±2%
Transmission Tavg>85%
Blocking depth OD2
** Blocking slope <3%
CA >90%
Angle of Incidence
Pro No.
Parameter
Dia
CWL
Transmission Wavelength
Blocking Band
Delivery time
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Price
Purchase
Φ12.5mm
400nm
420~2000nm
200~380nm
In stock
$39.17
Φ12.5mm
450nm
470~2000nm
200~435nm
In stock
$39.17
Φ12.5mm
500nm
520~2000nm
200~485nm
In stock
$39.17
Φ12.5mm
550nm
575~2000nm
415~520nm
In stock
$39.17
Φ12.5mm
600nm
625~2000nm
460~575nm
In stock
$39.17
Φ12.5mm
650nm
675~2000nm
495~615nm
In stock
$39.17
Φ12.5mm
700nm
725~2000nm
535~665nm
In stock
$39.17
Φ12.5mm
750nm
780~2000nm
565~720nm
In stock
$39.17
Φ12.5mm
800nm
830~2000nm
600~765nm
In stock
$39.17
Φ12.5mm
850nm
880~2000nm
635~810nm
In stock
$39.17
Φ12.5mm
900nm
935~2000nm
675~860nm
In stock
$39.17
Φ12.5mm
950nm
985~2000nm
715~905nm
In stock
$39.17
Φ12.5mm
1000nm
1035~2000nm
750~955nm
In stock
$39.17
Φ12.5mm
1050nm
1085~2000nm
790~1005nm
In stock
$39.17
Φ12.5mm
1100nm
1135~2000nm
825~1050nm
In stock
$39.17
Φ12.5mm
1150nm
1190~2000nm
875~1100nm
In stock
$39.17
Φ12.5mm
1200nm
1240~2000nm
920~1165nm
In stock
$39.17
Φ12.5mm
1250nm
1290~2000nm
960~1205nm
In stock
$39.17
Φ12.5mm
1300nm
1340~2000nm
1010~1255nm
In stock
$39.17
Φ12.5mm
1350nm
1390~2000nm
1055~1300nm
In stock
$39.17

We offer two catalogs to you: product catalog and Imaging optics catalog.

Product catalog:
This catalog include optical components, laser components, opto-mechanics, lenses and light sources, measuring instruments, and optical materials. In additional, we also provide large-size ultra-precision planar optical, spherical optical, aspheric optical, imaging lens, and precision angle component customized design and processing.

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This catalog include fixed focal lens, telecentric lens, zoom lens, line scan lens, short wave near infrared lens (SWIR), 360°outer surround view lens, VIS-NIR lens, relay lens , teleconverter, etc. In additional, we also provide lens design and development service.

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