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Iris Diaphragms

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Overview

These iris diaphragms provide adjustable optical apertures from 1.0 mm to as large as 41.3 mm for a variety of common optics applications such as optical beam alignment and attenuation. All three iris sizes available have at least 10 spring-steel leaves to provide a continuous and circular diaphragm opening and can be mounted to optical posts and pedestals.

Three ranges of apertures provide irises with 1.0 to 41.3 mm openings
Up to 18 overlapping spring-steel leaves form a round aperture
Smooth, continuous iris diaphragm control
Compatible with Newport mounts and positioners

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Showing 10 of 10 total products

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Compare	Model	Minimum Aperture	Maximum Aperture	Optical Axis Height	Thread Type	Availability	Price	Brand
ID-0.5 Iris Diaphragm, 1 to 11 mm Aperture Range, 10 Leaves $56.00 In Stock	ID-0.5 Iris Diaphragm, 1 to 11 mm Aperture Range, 10 Leaves	1.0 mm	11 mm	16.0 mm		In Stock	$56.00	Newport
ID-0.5-PK Iris Diaphragm Pack, 1 - 11 mm Aperture Range, 8-32, 10 Leaves, Qty 6 $289.00 In Stock	ID-0.5-PK Iris Diaphragm Pack, 1 - 11 mm Aperture Range, 8-32, 10 Leaves, Qty 6	1.0 mm	11 mm	16.0 mm		In Stock	$289.00	Newport
ID-1.0 Iris Diaphragm, 1.5 to 25 mm Aperture Range, 8-32, 14 Leaves $73.00 In Stock	ID-1.0 Iris Diaphragm, 1.5 to 25 mm Aperture Range, 8-32, 14 Leaves	1.5 mm	25 mm	27.3 mm	8-32	In Stock	$73.00	Newport
ID-1.0-PK Iris Diaphragm Pack, 1.5-25 mm Aperture Range, 8-32, 14 Leaves, Qty 6 $364.00 In Stock	ID-1.0-PK Iris Diaphragm Pack, 1.5-25 mm Aperture Range, 8-32, 14 Leaves, Qty 6	1.5 mm	25 mm	27.3 mm	8-32	In Stock	$364.00	Newport
ID-1.5 Iris Diaphragm, 2.4 to 41.3 mm Aperture Range, 8-32, 18 Leaves $102.00 In Stock	ID-1.5 Iris Diaphragm, 2.4 to 41.3 mm Aperture Range, 8-32, 18 Leaves	2.4 mm	41.3 mm	37.5 mm	8-32	In Stock	$102.00	Newport
ID-1.5-PK Iris Diaphragm Pack, 2.4-41.3 mm Aperture, 8-32, 18 Leaves, Qty 6 $508.00 In Stock	ID-1.5-PK Iris Diaphragm Pack, 2.4-41.3 mm Aperture, 8-32, 18 Leaves, Qty 6	2.4 mm	41.3 mm	37.5 mm	8-32	In Stock	$508.00	Newport
M-ID-1.0 Iris Diaphragm, 1.5 - 25 mm Aperture Range, M4 Thread, 14 Leaves $73.00 In Stock	M-ID-1.0 Iris Diaphragm, 1.5 - 25 mm Aperture Range, M4 Thread, 14 Leaves	1.5 mm	25 mm	27.3 mm	M4	In Stock	$73.00	Newport
M-ID-1.0-PK Iris Diaphragm Pack, 1.5-25 mm Aperture, M4 Thread, 14 Leaves, Qty 6 $364.00 In Stock	M-ID-1.0-PK Iris Diaphragm Pack, 1.5-25 mm Aperture, M4 Thread, 14 Leaves, Qty 6	1.5 mm	25 mm	27.3 mm	M4	In Stock	$364.00	Newport
M-ID-1.5 Iris Diaphragm, 2.4 - 41.3 mm Aperture, M4 Thread, 18 Leaves $102.00 In Stock	M-ID-1.5 Iris Diaphragm, 2.4 - 41.3 mm Aperture, M4 Thread, 18 Leaves	2.4 mm	41.3 mm	37.5 mm	M4	In Stock	$102.00	Newport
M-ID-1.5-PK Iris Diaphragm Pack, 2.4-41.3 mm Aperture, M4 Thread, 18 Leaves, Qty 6 $508.00 In Stock	M-ID-1.5-PK Iris Diaphragm Pack, 2.4-41.3 mm Aperture, M4 Thread, 18 Leaves, Qty 6	2.4 mm	41.3 mm	37.5 mm	M4	In Stock	$508.00	Newport

Showing 1 to 10 of 10 entries

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Features

Three Versions for a Wide Range of Aperture Sizes

Iris Diaphragms provide continuously variable apertures for a multitude of optical applications, such as beam alignment, light attenuation, or as baffles to block spurious reflections and scattered light. Three models are available with aperture size ranges of 1.0 mm to 11 mm, 1.5 mm to 25 mm, and 2.4 mm to 41.3 mm. Model ID-1.0 and ID-1.5 Irises mount directly to optical posts and pillars with an 8-32 threaded hole or M4 threaded hole for metric versions. The miniature ID-0.5 Iris mounts to posts, such as SP series posts, with the MH-2P Optic Holders.

Continuously Adjustable Opening With Ideal Shape

For smooth adjustment and an optimal shape for the aperture opening, each iris consists of an array of curved, overlapping, spring-steel leaves that intersect into the circular opening. Up to 18 leaves adjust continuously between two supporting rings with the adjustment of a pin handle attached to the inner ring.