Molly Ayala
ASIAIR Pro is an astrophotography device that offers precise focus control for planetary and deep-sky imaging. While it is primarily designed to support ZWO products, some users have reported challenges using it with the Celestron electronic focuser. There are, however, possible workarounds and alternative solutions. Some have suggested using the ASIAIR focus utility alongside the Celestron hand controller or software like CPWI for focus control. Others have mentioned the need for a ZWO EAF (Electronic Auto-Focus) to enable autofocus capabilities with the Celestron focuser. The ZWO EAF is compatible with various telescopes, including some Celestron models, and can be connected via a USB 2.0 port for easy cable management. It is important to note that not all Celestron models are supported, and users should refer to the official compatibility list.
| Characteristics | Values |
|---|---|
| ASIAIR compatibility with Celestron autofocuser | Does not work with Celestron's Starsense hand controller |
| ASIAIR compatibility with ZWO accessories | Only supports the ZWO EAF system for focusing |
| ASIAIR focus utility | Provides numerical readouts to help with focusing |
| Autofocus | Only works with ZWO focuser |
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What You'll Learn
ASIAIR Pro and Celestron Autofocuser compatibility issues
The ASIAIR Pro is known to work only with ZWO accessories and the ZWO EAF system for focusing. This has led some users to opt for the Stellarmate, which offers more options for different equipment.
Some users have reported that the Celestron focuser worked well initially but then stopped working. One user suggests contacting Jasem to see if he can reset it. Another user has reported that the ASIAIR mount control does not work with Celestron's Starsense hand controller.
However, the Celestron focus motor can still be adjusted via the hand controller or by laptop using software like Celestron's CPWI. The ASIAIR focus utility provides numerical readouts to help with focusing. The lower the number, the more focused the image is. This feature works well and is time-efficient.
Autofocus is only possible with a ZWO focuser, which periodically checks and maintains focus throughout the night.
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ASIAIR mount control and Celestron's Starsense hand controller
The ASIAIR mount control does not work with Celestron's Starsense hand controller. One user on Cloudynights.com reported that they were able to connect their ASIAIR Plus to the StarSense Accessory Camera's USB port in the past, but it no longer works. The user controlled their mount by connecting the ASIAIR to the mini-USB form factor serial port on the bottom of the hand controller.
The ASIAIR focus utility provides numerical readouts to help with focusing. The lower the number, the more focused the image is. Autofocus is only available with a ZWO focuser, and it periodically checks and maintains focus throughout the night. The ZWO EAF system is the only focusing system supported by ASI Air.
Users have reported problems with the ASI Air Pro and the Celestron Electronic Focuser on the Stargazers Lounge forum. One user on Cloudynights.com reported that their Celestron focuser worked great at first and then stopped working. They suggested contacting Jasem for a reset.
It is important to note that the ASIAIR mount control and Celestron's Starsense hand controller are not compatible, and users should not expect to be able to use them together.
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ZWO EAF and Celestron SCT scopes
The ZWO Electronic Automatic Focuser (EAF) is compatible with Celestron SCT scopes with the help of a 3D-printed adapter. The EAF is an electronic focuser that enables precise, dynamic focus control for planetary and deep-sky imaging. It connects to a 5V USB port, eliminating the need for a 12V power supply port and simplifying cable management.
To use the ZWO EAF with a Celestron SCT scope, users have reported success with 3D-printed adapters designed specifically for this purpose. These adapters are available from various sources, including online retailers and individuals offering custom designs. The adapters ensure that the ZWO EAF can be securely mounted onto the Celestron SCT scopes, allowing for accurate focusing.
It's important to note that the compatibility of the ZWO EAF with Celestron SCT scopes also depends on the specific model of the scope. Different Celestron SCT scopes have varying distances between the focuser mounting screws, typically ranging from 23mm to 34mm. ZWO offers EAF mounting brackets designed for specific models of Celestron SCT scopes, such as the C6, C8, C9.25, C11, C14, and RASA series. These brackets are designed to accommodate the different screw distances and ensure proper mounting of the ZWO EAF.
While the ZWO EAF can be physically mounted onto Celestron SCT scopes using these adapters and brackets, it's worth mentioning that the ASI Air or ASI Air Pro, which is used in conjunction with the ZWO EAF, may have limited compatibility with Celestron's hand controllers. Some users have reported challenges in getting the ASI Air Pro to work seamlessly with Celestron's Starsense hand controller. However, the ZWO EAF itself can be controlled using its hand controller or via a laptop.
In summary, the ZWO EAF can be used with Celestron SCT scopes with the appropriate adapters and brackets, but there may be some limitations when using it in conjunction with ASI Air/Pro and Celestron's hand controllers. It is always recommended to refer to the specific product specifications and compatibility information provided by the manufacturers before attempting to integrate different astrophotography equipment.
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ASIAIR Pro and ZWO EAF compatibility
The ASIAIR Pro is only compatible with the ZWO EAF system for focusing and other ZWO accessories. This means that the ZWO EAF will not work with the stock focus knob on the Evolution mount.
ASIAIR Pro users have reported that the Asiair mount control will not work with Celestron's Starsense hand controller. However, you can still use the Asiair focus utility and adjust the focus motor via the hand controller or laptop using third-party software.
The Asiair focus utility provides numerical readouts to indicate the level of focus. The autofocus feature (only available with the ZWO focuser) periodically checks and maintains focus throughout the night.
It is possible to access the ZWO EAF without ASIAIR by downloading the ASCOM drivers for Windows or INDI drivers for MacOS and Linux.
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ASIAIR Plus controller and Celestron focus motor
The ASIAIR Pro is compatible with the Celestron focus motor. However, it is important to note that the ASIAIR only works with ZWO accessories and supports the ZWO EAF system for focusing. This means that while the Celestron focus motor can be used with the ASIAIR Pro, it may require additional steps or workarounds.
Some users have reported that the Celestron focuser worked well with the ASIAIR Pro at first but then stopped functioning properly. In these cases, it may be necessary to contact customer support or try alternative solutions such as using a laptop to control the focuser or employing third-party software like Stellarmate, which offers more flexibility in terms of equipment compatibility.
When using the ASIAIR Pro with the Celestron focus motor, the ASIAIR focus utility can be utilized. This utility displays the image seen by the camera, allowing users to select a star to zoom in on for precise focusing adjustments. The focus can then be fine-tuned using the Celestron focus motor's hand controller or via a laptop using Celestron's CPWI software.
The ASIAIR focus utility also provides numerical readouts that indicate the focus quality, with lower numbers representing better focus. This feature assists users in achieving optimal focus by guiding them to adjust the focus accordingly. For those engaged in EAA live viewing, the initial focus set at the beginning of a session typically requires no further adjustments during that period.
While the ASIAIR Pro and Celestron focus motor can be used together, the compatibility and functionality may vary depending on specific equipment configurations and other factors such as temperature shifts. It is recommended to refer to user forums and communities for insights and advice from other users who have experience with this particular combination of equipment.
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Frequently asked questions
The ASIAir Pro only supports the ZWO EAF system for focusing. It is not compatible with the Celestron Electronic Focuser.
The ASIAir Pro is designed to only support ZWO products and may not be compatible with non-ZWO focusers.
The ASIAir Pro is compatible with the ZWO EAF focuser via a USB 2.0 port. It is also compatible with the C8, C9, C11, and C14 Celestron SCT scopes without the need for a feather touch focuser.
Yes, you can use the ASIAir focus utility with the Celestron focuser. You can adjust the focus using the hand controller or a laptop with software like Celestron's CPWI.
Yes, SharpCap is compatible with both the ZWO EAF and the Celestron focuser through their respective ASCOM drivers.
