The 70291 Beam Aperture Disk is a 1.0 inch (25.4 mm) diameter aluminum disc with a 0.04 inch circular opening. It acts as a large area pinhole for incoherent light sources such as Xenon or QTH lamps. Beam Aperture Disks are useful for limiting the angular aperture entering a detector or monochromato..
$36.00
Ex Tax:$36.00
The 70277 Beam Aperture Disk is a 1.0 inch (25.4 mm) diameter aluminum disc with a 0.1 inch circular opening. It acts as a large area pinhole for incoherent light sources such as Xenon or QTH lamps. Beam Aperture Disks are useful for limiting the angular aperture entering a detector or monochromator..
$47.00
Ex Tax:$47.00
The 70276 Beam Aperture Disk is a 1.0 inch (25.4 mm) diameter aluminum disc with a 0.2 inch circular opening. It acts as a large area pinhole for incoherent light sources such as Xenon or QTH lamps. Beam Aperture Disks are useful for limiting the angular aperture entering a detector or monochromator..
$49.00
Ex Tax:$49.00
The 70275 Beam Aperture Disk is a 1.0 inch (25.4 mm) diameter aluminum disc with a 0.4 inch circular opening. It acts as a large area pinhole for incoherent light sources such as Xenon or QTH lamps. Beam Aperture Disks are useful for limiting the angular aperture entering a detector or monochromator..
$49.00
Ex Tax:$49.00
The ID-0.5 Iris Diaphragm uses 10 leaves to provide a continuously variable 1 to 11 mm aperture for applications including setting the numerical aperture of a lens, controlling or measuring the intensity of a diffuse beam, or approximating beam diameters. It may also be used as a baffle to reduce sp..
$39.00
Ex Tax:$39.00
The M-ID-1.0 Iris Diaphragm uses 14 leaves for a 1.5 to 25 mm aperture range. Designed for smooth adjustment and the best possible aperture shape, each iris consists of an array of curved, spring-steel leaves whose orientation is determined by the relative position of two rings. A pin handle on the ..
$48.00
Ex Tax:$48.00
The ID-1.0 Iris Diaphragm uses 14 leaves to provide a continuously variable 1.5 to 25 mm aperture for applications including setting the numerical aperture of a lens, controlling or measuring the intensity of a diffuse beam, or approximating beam diameters. It may also be used as a baffle to reduce ..
$48.00
Ex Tax:$48.00
The M-ID-1.5 Iris Diaphragm uses 18 leaves for a 2.4 to 41.3 mm aperture range. Designed for smooth adjustment and the best possible aperture shape, each iris consists of an array of curved, spring-steel leaves whose orientation is determined by the relative position of two rings. A pin handle on th..
$68.00
Ex Tax:$68.00
The ID-1.5 Iris Diaphragm uses 18 leaves to provide a continuously variable aperture for applications including setting the numerical aperture of a lens, controlling or measuring the intensity of a diffuse beam, or approximating beam diameters. They may also be used as baffles to reduce spurious ref..
$68.00
Ex Tax:$68.00
The M-DI47.50 Iris Diaphragm has a continuously variable 5 to 49 mm aperture for applications including adjusting the numerical aperture of a lens, aligning a laser beam, or controlling the intensity of a diffuse beam. It may also be used as a baffle to reduce spurious reflections and scattered ligh..
$204.00
Ex Tax:$204.00
The M-DI47.68 Iris Diaphragm has a continuously variable 7 to 73 mm aperture for applications including adjusting the numerical aperture of a lens, aligning a laser beam, or controlling the intensity of a diffuse beam. It may also be used as a baffle to reduce spurious reflections and scattered ligh..
$288.00
Ex Tax:$288.00
The ID-0.5 Iris Diaphragm uses 10 leaves to provide a continuously variable 1 to 11 mm aperture for applications including setting the numerical aperture of a lens, controlling or measuring the intensity of a diffuse beam, or approximating beam diameters. It may also be used as a baffle to reduce sp..
$191.00
Ex Tax:$191.00