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Alcor System

Shack-Hartmann 40 x 40

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This product is intended to measure accurately optical wavefront (> ?/55) coming from telescopes, refractors or any optical setup.

Or said more simply, it measures the optical performance of optical systems, based on Shack-hartmann wavefront analysis.

The product comes with a 5 megapixel camera and microlenses array, a visual aiming system and a set of collimators to acommodate with F/ number from F/3 to F/20. The next picture shows the uncooled version of the Shack-Hartmann. 

A cooled version of the camera sensor that performs the analysis is proposed, allowing long exposures (say, 2 to 5 minutes). Instead of an eyepiece, a sighting camera can be installed (camera on top) for both systems (cooled & uncooled).

System specifications

Camera resolution 5 megapixels
Camera frame rate 5 fps
Pixel size 2.2 x 2.2 µm
Microlens pitch 110 µm
Amount of spots 40x40
Wavelength range 400-900 nm
Aperture dimension Ø 4.6 mm
Tilt dynamic range 495 ? PTV
Focus dynamic range > 10 mm radius curvature
Measurement repeatability 2 nm rms @ ?=550nm
Absolute accuracy 10 nmrms @ ?=550nm
Camera interface USB 2.0
Operating system Windows 7,8 or 10
Weight 400g
System F ratio acceptance F3 to F20
Interface input diameter

Ø 2" or 50.8 mm


Dynamic range for some aberrations

Defocus 5 900 nm RMS
Astigmatism  10 000 nm RMS
1st Spherical 2 914 nm RMS
Coma 2 660 nm RMS


What is included

  1. 40x40 shack Hartmann, with aiming device (10 mm reticle eyepiece)
  2. Reference LED source with 5µm pinhole
  3. +5V power supply
  4. Collimators, as many as required (From F3 to F/20), this picture shows one collimator attached to the shack Hartmann and another to extend the F ratio
  5. USB cable
  6. Advanced Analysis Software (Zonal and modal wavefront reconstruction, PSF, MTF and much more) USB stick
  • Optional item : the Pelican Case
  • Optional item : double pass flat mirror beam splitter (down to F/4)
  • Optional item : double pass flat mirror beam splitter (down to F/3)

Shack hartmann 40 included in the box


Please advise, with your quote, what is the focal ratio to be tested to include the right eyepiece with your purchase.

Col # Collimator focal length F ratio range
1 12.5 mm F3 to F4
2 15 mm   F3.5 to F5
3 17.5 mm F4.1 to F5.8
4 20 mm F4.7 to F6.5
5 25 mm F6 to F8
6 30 mm F6.9 to F10
7 40 mm F9 to F13
8 50 mm F12 to F16
9 60 mm F14 to F20


The collimator can be detached and exchanged as depicted in the image below

shack hartmann 40x40 collimator



Order Confirmation:

As soon as you place your order, you will receive an order confirmation e-mail.  This means that we have received your order in our system and pre-authorized your credit card for the purchase.  As soon as we receive your order, we automatically reach out to our suppliers to confirm that it is in stock and available for immediate shipment.  If your item is on backorder or unavailable, we will void the pre-authorization and reach out to you via e-mail.  If your item(s) are available for immediate shipment (within 5 business days), we will process the charges and submit the order for shipment.

Order Shipment:

If your order is stock and we process the charges to your credit card, it will ship within five business days from the date of your order.  We will send you tracking information within 24 hours of your order leaving the warehouse to the e-mail address you provided when checking out.  If you do not receive tracking information from us within six business days of your order, feel free to follow up with us at


Please inspect the packaging of your item(s) when they arrive, if you notice any damage you should make note of it when signing for delivery.  If your item(s) do arrived damaged, please send photos

 and we will process an insurance claim on your behalf.

Cancellations & Refunds:

 If you order has shipped, you (the buyer) will also be responsible for actual return shipping charges. Refunds will only be issued to the original credit card that you use when placing your order.