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
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