Manufacturer: Noctutec
Product number: OCAL-V4

EUR 315,00


incl. 19 % VAT (DE)  
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excl. 6.95 € shipping costs (DE)  
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Product expected to be available from 01.09.2025

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  • Details..
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  • Safety informations..
OCAL Version 4.0 Collimator
The OCAL collimator version 4.0 is a further development of the popular OCAL V3.0 and 3.0 MAX collimators. The accuracy of the devices has been further improved. Thanks to improved optics and state-of-the-art manufacturing processes, the OCAL V4.0 now covers all focal lengths. The manufacturer has also succeeded in bringing the OCAL 4.0 onto the market at a slightly lower price.

Improvements compared to previous versions
The new version 4.0 of the OCAL collimator uses a larger front lens and a larger CMOS sensor. The new sensor is much more sensitive to light and has smaller pixels. This enables adjustment even under darker conditions. If the image is too bright, you can reduce the intensity via gain and exposure time.
Even higher resolution and imaging performance compared to all previous models.
In contrast to the first previous versions, the OCAL V4.0 has a decoupled camera module in industrial quality. This camera module is no longer connected to the circuit board. A completely new manufacturing technique allows this module to be installed in the OCAL housing with the highest precision. The deviation during assembly is just 0.05 mm!
The improved optics of OCAL version 4.0 ensure that critical areas can now be focused even better.
The area in the center around the lens of the OCAL is now easier to distinguish from the background. This enables clean adjustment even under difficult conditions, for example when a center mark obscures the lens. An additional black ring has been added to the housing for this purpose.
The clarity of the image has been significantly improved. Especially with an attached corrector, the image is now much better than with the previous models.
Suitable for Windows and Android.


Key features
Each collimator has a very high pixel accuracy.
The connection is made via a T2 thread (M42x0.75) to minimize mounting errors. Collimation errors, which are often caused by different human visual axes, can be completely eliminated with OCAL technology.
Included are also an adapter from T2 to M48 and a 1.25" adapter for easier installation.
The product solves the problem of collimation even with large telescopes, thanks to the collimation aid the result is immediately displayed on the screen.
Quick and easy: collimate your instrument in just 4 steps!
The device can check whether the center mark on the primary mirror is correctly positioned or not.
You can also use the screenshot function to save the collimation result.
Thanks to the cell phone version of the software, it is now possible to use an Android device with OTG adapter to collimate a telescope directly from a smartphone!


Manual
There is a manual, the PDF can be downloaded here: OCAL3.0-User-Manual-English.pdf


Tutorial Videos:

Newtonian collimation:


RC collimation

Suitable for telescopes:Newtonians, SC, RC, CDK, RASA, Hyperstar, hyperbolic astrographs
Telescope connection:female T thread (M42x0.75), female M48x0.75 thread via adapter, 1.25" barrel via Adapter
Connection OCAL Version 4.0:USB type C port
Computer connection:USB type A port
Necessary USB cable supplied:Yes
Phone adapter supplied:Yes
Software:Download from manufacturer´s website
Required OS:Android up to Version 12, Windows 7 and above
- Electronic Collimator unit
- Front cover for electronic collimator unit
- Adapter from T2 to M48
- Adapter from T2 to 1.25"
- USB cable
- Smartphone OTG adapter for Android devices
Manufacturer / Importeur:noctutec Armin Erndt
Street:Götzendorf 46
ZIP / City:91330 Eggolsheim
Country:Germany
Telefon number:+49 9545 3591164
Email:info@noctutec.com
Website:www.noctutec.com
Safety informations: PDF Download


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