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Buying Diaphragms

Top-level product category: optical components and devices

More general product categories: optical apertures

Optical diaphragms are thin devices with a central aperture that may be circular or non-circular, and fixed or adjustable. They are used to control the amount of light passing through an optical system and are commonly found in photography and various scientific instruments.

Making Good Purchase Decisions

RP Photonics helps you to not only to find all relevant suppliers, but also to make good purchasing decisions.

NEW: Structured Decision Process

We recommend that you apply best practice by using the following structured process: Go through the following expandable sections, complete the form and finally come to a purchase decision. You can then print that to a PDF for documenting the process.

Read our article on best practices for purchasing.

1. Understand the technical background

It is important to sufficiently understand the technology before buying.

Use the comprehensive resources of RP Photonics:

If you need personal help, contact RP Photonics to get technical consultancy.

2. Define your requirements

It is essential to fully understand and clearly define your requirements before you buy.

We recommend that you draw up a list of clear specifications according to your specific needs:

To help you, we have already listed some aspects we recommend you consider when buying diaphragms. Of course, there may be other aspects that are relevant to your specific case.

This list is for your own preparation, and can later (possibly in modified form) be used for quotation requests to suppliers.

Otherwise, you will need to talk to your technical colleagues.

If you cannot sufficiently clarify your requirements, you may want to get technical consultancy from RP Photonics.

3. Find suppliers

We suggest three steps:

  • Below, you can find our list of suppliers for diaphragms. Use the checkboxes to mark possibly suitable suppliers.
  • The selected suppliers will appear below this list, along with your list of specifications. You can then indicate which specifications they meet according to your research.
  • Based on the results, you can finally choose a supplier that is hopefully a good enough fit.

Selected suppliers:

(none so far)

The most suitable supplier you found:

Comments, e.g. reasons for your choice, or things which still need to be checked:

Suppliers for Diaphragms

4 suppliers for diaphragms are listed in the RP Photonics Buyer's Guide, out of which 2 present their product descriptions. Both manufacturers and distributors can be registered.

Suppliers with Advertising Package
presenting their product descriptions

Let the light be always with you!

Geola Digital Ltd.
Naugarduko 41
LT-03227 Vilnius
Lithuania
Profile page  Website  
diaphragms

The MID14-24 is precise motorized iris diaphragm, which is adjustable either mechanically or on a PC with an intuitive graphical user interface. Our unique design has aluminum blades forming a square diaphragm, always remaining centered to an internal SM1–threaded hole during size tuning. The adjustment step size is ≈10 µm.

The square Iris diaphragm is also designed to be compatible for either stand-alone (MID14-24) or 60 mm standard (for example Thorlabs) Cage System (MID14-24C).

Bringing quality into focus

Knight Optical (USA) LLC
1130 Ten Rod Road
Suite D102
North Kingstown
Rhode Island 02852
United States
Profile page  Website  

See the company profile page for additional contact information.

diaphragms

Knight Optical have an extensive range of iris diaphragms with steel leaves and housed in blackened brass body. Our catalogue diaphragms are available with a minimum aperture of 0.6 mm up to a maximum 225 mm aperture. Custom diaphragms are also available upon request.

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Other Suppliers
Kvant Lasers s.r.o.
Slovakia
STANDA Ltd.
Lithuania

If any displayed information is incorrect (e.g., a listed supplier does not offer such products) or legally problematic, please notify RP Photonics so that the problem can be solved.

Report additional suppliers for these products!



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