Updated: 16 Feb 2025

microscope diaphragms

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Updated: 16 Feb 2025

#1

Best Choice
Microscope Aperture Diameter 1.2-18 mm Adjustable M28 Thread Metal Zoom Iris Diaphragm Aperture Condenser for Microscope Camera Lens

9.9

Generic

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Main highlights

Thread diameter: M28; diaphragm Blades Quantity: 12 pieces.

Outside Diameter: 32.5 mm; Thickness:8.5 mm.

Minimum Aperture Diameter: 1.2 mm. Maximum Aperture Diameter: 18 mm.
#2

Value for Money
Adjustable Iris Diaphragm 1.5mm‑25mm Lens Iris Diaphragm ID 55mm OD M42 to M42 Aperture Diaphragm for Optical System Camera Microscope Aluminum Alloy Stainless Steel

9.8

ViaGasaFamido

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Main highlights

Wide Application: This adjustable aperture diaphragm is suitable for cameras, microscopes and other machines, which can help them work better.

Simple Operation: Just use the handle to change the aperture diaphragm diameter, which is easy to operate and more directly for adjustment.

1.5mm to 25mm: The aperture has an outer diameter of 55mm and an adjustable inner diameter of 1.5mm to 25mm, which provides small holes with different in the optical system to meet different light transmission requirements.
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#3
Garosa Adjustable Aperture Diaphragm 1.5-25mm Microscope Adapter Aperture Adjustable Lens Diaphragm Optical Diaphragm Lenses Accessories for Laboratory Microscope (SK23)

9.6

Garosa

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Main highlights

【Sturdy and Reliable Design】The compact and practical design of the aperture bracket ensures stable operation. The blade structure is durable and robust, offering smooth toggling of the diaphragm handle without any jams.

【Specification】Constructed from metal material, this aperture offers reliable performance. With an outer diameter of 37mm, minimum aperture diameter of ø1.5mm, maximum aperture diameter of ø23mm, and a thickness of 7.0mm with 12 blades, it provides a wide range of aperture settings.

【Adjustable Aperture for Versatile Use】The optical system features small apertures of varying diameters that can be easily adjusted to meet different light requirements, enabling precise control over the amount of light entering the system.
#4
Microscope Aperture, 1.5-23mm Adjustable Iris Diaphragm Microscope Iris Adapter Lens Optical Diaphragm for Laboratory Microscope

9.4

Flylin

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Main highlights

Large Aperture: The maximum aperture of the iris diaphragm can reach 23mm, and the light transmittance is stronger, which can make the observed object clearer and brighter in the dark without receiving external light sources. Compared with using a small hole to pass through the aperture, the convenience of use is greatly improved.

Durable: The outer casing of the microscope aperture is made of aluminum alloy material, which is stable in structure and durable, protects the internal structure from damage, and greatly improves the service life.

Adjustable Aperture: The adjustable aperture is 1.5mm-23mm, and the dynamic adjustment range is wide. A single original can be used in multiple scenes, and it gets rid of the burden of needing multiple sets of apertures due to inappropriate apertures, making it more convenient to use.
#5
Adjustable Iris Aperture Diaphragm, 1.5mm to 26mm M30 to M37 Microscope Iris Adapter Aperture Lens Optical Diaphragm Camera Lens for Laboratory Microscope

9.3

Srdh

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Main highlights

Wide Application: This adjustable aperture diaphragm is suitable for cameras, microscopes and other machines, which can help them work better.

Materials: The aperture diaphragm is made of aluminum alloy and stainless steel, strong and sturdy, very in performance.

1.5mm To 26mm Adjustable: The aperture has an outer diameter of 45mm and an adjustable inner diameter of 1.5mm to 26mm, which provides small holes with different in the optical system to meet different light requirements.
#6
Beufee Lens Diaphragm, Adjustable Iris Aperture Diaphragm 2‑50mm Microscope Iris Adapter Aperture Adjustable Lens Diaphragm Optical Diaphragm for Camera Optical Instruments

9.2

Beufee

-10%

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Main highlights

Wide Application: Microscope iris aperture adapter is very suitable for optical applications, it can be widely used in a variety of optical instruments, cameras, etc.

Enhanced Image Quality: By adjusting the iris aperture diaphragm, you can optimize the image quality by reducing aberrations and increasing sharpness and clarity.

Adjustable Aperture: Microscope aperture adapter can change the diameter of the aperture through the handle. The 2‑50mm adjustable aperture can meet different translucency requirements.

-10%
#7
Adjustable Aperture Diaphragm Camera Diaphragm 1.5-25mm Adjustable Lens Optical Diaphragm Microscope Adapter Aperture

9.0

LiebeWH

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Main highlights

【】The adjustable aperture diaphragm is made of high-quality aluminum alloy material, which is and . High quality materials can bring you a good experience

【Wide Application】The microscope aperture adapter is very suitable for optical applications, it can be widely used in a variety of optical instruments, cameras, etc.

【Specification】Inner Hole Size: Approx.1.5-25mm / 0.06-0.98in, Outer Diameter Size: Approx.37mm / 1.46in, Thickness: Approx.5.5mm / 0.22in, Blades: 14
#8
Adjustable Iris Aperture Diaphragm 1.5-25mm Microscope Iris Adapter Aperture Adjustable Lens Diaphragm Optical Diaphragm for Laboratory Microscope (SK25)

8.8

Garosa

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Main highlights

Small apertures of different diameters are provided in the optical system to meet different light transmission requirements.

Metal material, reliable performance, durable.

Change the diameter of the aperture by the handle.
#9
Adjustable Aperture Diaphragm, 2mm to 44mm 16 Blades Diaphragm, Manual Adjustable Aluminum Alloy Lightweight Diaphragm, Lens Accessories for Laboratory Microscope

8.6

Yoidesu

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Main highlights

Simple Just rotate the outer ring to change the aperture diameter, simple operation, direct adjustment. The compact and practical design makes the diaphragm a more practical way of working.

Highly Stable: The diaphragm is lightweight, does not add extra weight to the optical system, high strength, rustproof, and very stable.

2mm to 44mm Adjustable: Adjustable hole inner diameter 2‑44mm, outer diameter is 60mm, thickness of 6mm, 16 blades, in the optical system to provide different diameter holes to meet different light needs.
#10
Adjustable Iris Aperture Diaphragm, Adjustable Aperture Diaphragm Aluminum Alloy 2‑50mm Iris Aperture Diaphragm Adapter for Cameras Microscopes Optical Instruments

8.5

Naroote

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Main highlights

【Easy Installation】- Our adjustable lens optical diaphragm makes assembly and disassembly convenient, eliminating complicated installation steps. It suits an array of optical instruments and cameras, adding to its versatility.

【Aluminum Alloy】- Presenting the adjustable iris aperture diaphragm, constructed from top-quality aluminum alloy materials that ensure no burrs and pressure points. Promised with durability and a long service life, it doesn't deform and can be reused for extended periods offering you an exceptional user experience.

【Adjustability Feature】- This iris aperture diaphragm adapter boasts of an adjustable aperture, changeable via the handle. With an adjustable aperture of 2-50mm, it meets diverse light transmission requirements. Its 11 blades are comfortable to adjust, ensuring more stable aperture functioning.

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microscope diaphragms

Microscope Aperture Diameter 1.2-18 mm Adjustable M28 Thread Metal Zoom Iris Diaphragm Aperture Condenser for Microscope Camera Lens

9.9

Main highlights

Adjustable Iris Diaphragm 1.5mm‑25mm Lens Iris Diaphragm ID 55mm OD M42 to M42 Aperture Diaphragm for Optical System Camera Microscope Aluminum Alloy Stainless Steel

9.8

Main highlights

Garosa Adjustable Aperture Diaphragm 1.5-25mm Microscope Adapter Aperture Adjustable Lens Diaphragm Optical Diaphragm Lenses Accessories for Laboratory Microscope (SK23)

9.6

Main highlights

Microscope Aperture, 1.5-23mm Adjustable Iris Diaphragm Microscope Iris Adapter Lens Optical Diaphragm for Laboratory Microscope

9.4

Main highlights

Adjustable Iris Aperture Diaphragm, 1.5mm to 26mm M30 to M37 Microscope Iris Adapter Aperture Lens Optical Diaphragm Camera Lens for Laboratory Microscope

9.3

Main highlights

Beufee Lens Diaphragm, Adjustable Iris Aperture Diaphragm 2‑50mm Microscope Iris Adapter Aperture Adjustable Lens Diaphragm Optical Diaphragm for Camera Optical Instruments

9.2

Main highlights

Adjustable Aperture Diaphragm Camera Diaphragm 1.5-25mm Adjustable Lens Optical Diaphragm Microscope Adapter Aperture

9.0

Main highlights

Adjustable Iris Aperture Diaphragm 1.5-25mm Microscope Iris Adapter Aperture Adjustable Lens Diaphragm Optical Diaphragm for Laboratory Microscope (SK25)

8.8

Main highlights

Adjustable Aperture Diaphragm, 2mm to 44mm 16 Blades Diaphragm, Manual Adjustable Aluminum Alloy Lightweight Diaphragm, Lens Accessories for Laboratory Microscope

8.6

Main highlights

Adjustable Iris Aperture Diaphragm, Adjustable Aperture Diaphragm Aluminum Alloy 2‑50mm Iris Aperture Diaphragm Adapter for Cameras Microscopes Optical Instruments

8.5

Main highlights

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