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Why Purchase from All-Star Telescope?
Free Expert Support
Whether you are a first timer needing help with setting up or an enthusiast that can't quite make that one thing work, our expert staff are ready to support your needs. With decades of knowledge and first hand experience we've been there and we can help you through it!
Stress Free, Secure Transactions
You can trust purchasing and delivery with All-Star Telescope. All of our transactions are 100% secure and Level 1 PCI DSS compliant thanks to Shopify's ShopPay platform. For additional protection, we insure 100% of the value of every shipment we make. If it get's lost during shipment, we replace it. If it gets damaged during shipment, we replace it. We make sure your product arrives exactly as you would expect it to; we promise.
We also ensure privacy protection. We never keep any of your credit card information on file and any of your personal data is stored according to our policies.
30 Day Return Policy
Buy with confidence knowing that we accept returns up to 30 days after purchase. We want you to have something you will actually use and we are confident that we keep good quality products in our store with No Junk.
Price Match Promise
Shipping around for the best price is tough, we make it easier by offering the best pricing in the market. But if you find a better price on an in-store item somewhere else we will match it!
Why we love the ZWO EAF Pro Wireless Electronic Automatic Focuser (ZWO-EAF-PRO)
Product Description
ZWO EAF PRO - The Professional's Electronic Automatic Focuser
The Next Generation in ZWO's Electronic Automatic Focuser Lineup
The ZWO EAF Pro is the next-generation Electronic Automatic Focuser, designed to take your astrophotography experience to the next level. Whether you're capturing high-resolution planetary images or deep-sky wonders, the EAF Pro ensures precise, automated focusing for sharper, more detailed images with ease. With a sleek new design and cutting-edge upgrades, this focuser combines the best features of the original ZWO EAF while integrating wireless functionality—perfect for use with ZWO Air Cameras to eliminate even more cables from your astrophotography setup, providing a cleaner and more efficient workflow.
Key Upgrades:
While the EAF Pro builds upon the trusted foundation of the original EAF, it introduces several key upgrades to enhance your astrophotography workflow:
- Upgraded Universal Type-C Interface: Enjoy faster, more stable connections to modern devices with the new universal Type-C interface. This makes setup simpler and more reliable, especially when connecting to laptops, tablets, or telescopes
- Micron-Level Precision Focusing: Achieve pinpoint focusing accuracy with micron-level precision, ensuring sharp, detailed images even at high magnifications or during long exposure astrophotography
- 5 kg (11.02 lbs) High Load Capacity: The EAF Pro supports heavier setups, including larger telescopes, cameras, and filter wheels, with an impressive 5 kg (11.02 lbs) load capacity. This allows for consistent, stable operation, even under substantial gear weight
- Built-in Focus Adjustment Knob: For those times when manual control is needed, the integrated focus adjustment knob offers tactile, easy-to-use manual focusing, providing flexibility during setup or troubleshooting
- Bluetooth Connectivity: With Bluetooth support, you can now control your focuser wirelessly from your smartphone, tablet, or computer, allowing for more convenience and mobility during your imaging sessions
- Built-in Battery Power Supply: The built-in battery offers true portability by powering the EAF Pro without the need for external power cables. Focus on your imaging without worrying about power sources, especially during remote or field setups
These upgrades deliver unmatched precision, efficiency, and reliability, ensuring the EAF Pro is the ideal tool for the most demanding astrophotography setups.
Compatibility Note: When used with ASIAIR, the EAF Pro is compatible with the ASIAIR Plus (RK version) and the entire ASIAIR camera lineup
It is not compatible with the following models:
- ASIAIR (1st generation, Raspberry Pi 4)
- ASIAIR Pro
- ASIAIR Mini
- ASIAIR Plus (CM4 version)*
*Note: There are two versions of the ASIAIR Plus. You can identify the version by the IC number on the device: Suffix “ASIAIRPLUS” indicates the RK version (compatible) Suffix “RPICM4” indicates the CM4 version (not compatible)
What's in the Box
Specifications
Model | EAFN | EAF Pro |
Dimensions | 41x52x70.3mm | 41x52x73.4mm |
Weight | 215g | 258g |
Payload | 5.0kg | 5.0kg |
Motor Specifications | Stepper Motor | Step Angle 7.5° | Reduction Ratio 1:128 | |
Resolution | 2.812μm per step | 2.812μm per step |
Communication Method | USB Type-C | USB Type-C | Bluetooth |
Power Supply | USB Type-C (5V 500mA) | USB Type-C (5V 500mA) | Built-In Battery |
Battery | No | Yes |
Focus Button | No | Yes |
Power Switch | No | Yes |
Status Indicator Light | No | Yes |
Temperature Sensor & Hand Controller Interface |
Yes | Yes |
Software | ZWO ASIAIR App | ZWO ASIStudio | ASCOM Platform & Various ASCOM-Compatible Third-Party Software |
Additional Articles, Videos, and Links
External Links

Astrophotography for Beginners Step 4: Shooting Deep-Sky Images
Taking deep sky pictures can be daunting, luckily there is an easy process to follow to allow you to get great shots! Here is the typical process for actually taking deep-sky images in the field.

Astrophotography for Beginners Step 3: Choosing Gear for Deep-Sky Imaging
Using a star tracker gains you experience with the fundamentals of deep-sky imaging. Shooting the Moon gains you experience focusing and framing through your telescope. Through your sessions you’ll...

Astrophotography for Beginners - Start Here: Getting into Astrophotography Step by Step
Shooting the night sky has never been more popular, nor easier. The choice of equipment has also never been better, or more affordable. However, as per the advice given by Dickinson and Dyer in the...

Astrophotography for Beginners Step 1: Using the Star Adventurer Tracker
By far the most economical and easiest way to capture beautiful images of the Milky Way and large deep-sky objects like the Andromeda Galaxy (shown here) is to use a star tracker. Here are steps an...

Astrophotography for Beginners Step 2: How to Shoot the Moon
Close-ups of the Moon are rewarding, and an easy way to learn to shoot through your telescope. While good results are possible with a phone camera clamped to an eyepiece (as shown below), this tuto...