ZWO Electronic Automatic Focuser Detailed Installation And Operations Manual
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ZWO Electronic Automatic Focuser Detailed Installation And Operations Manual

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Electronic Automatic Focuser

Detailed Installation and
Operations Manual
苏州振旺光电有限公司
Suzhou ZWO Co.,Ltd.
Thank you for purchasing the ZWO EAF. This guide will give you a brief introduction to the installation of
your new Electronic Automatic Focuser. Please take the time to read it thoroughly and if you have any
other questions, feel free to contact our support team at
info@zwoptical.com
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Summary of Contents for ZWO Electronic Automatic Focuser

  • Page 1: Electronic Automatic Focuser

    Suzhou ZWO Co.,Ltd. Thank you for purchasing the ZWO EAF. This guide will give you a brief introduction to the installation of your new Electronic Automatic Focuser. Please take the time to read it thoroughly and if you have any other questions, feel free to contact our support team at info@zwoptical.com...

  • Page 2: Table Of Contents

    EAF Manual Catalogue Electronic Automatic Focuser ................1 Detailed Installation and Operations Manual ........... 1 Welcome to Your New Focuser Experience ............ 3 Product Description ..................3 EAF Specifications ................... 6 Installation ......................7 Dimensions ...................... 8 Connecting your EAF ..................9 Software Installation and Configuration ............

  • Page 3: Welcome To Your New Focuser Experience

    2. Product Description The ZWO EAF is an all metal bodied electronic focus drive system designed for installation across a wide range of Optical Tube Assemblies. The flexible mounting system allows installation across refractors, Newtonians, Cassegrain and many other telescope designs.
  • Page 4 EAF Manual Features (Standard Version) • High quality metal focuser with anodized finish. • Precise focus control for planetary and deep sky imaging. • Can be used in both autofocus and manual modes. • Flexible installation for use on a variety of refractors, Newtonians, schmidt cassegrain and other Optical Tube Assemblies.
  • Page 5 EAF Manual In addition to the features of the Standard version, the Advanced version offers: • Temperature sensor • Hand controller Supplied Accessories 1. EAF Body contains the focuser motor and controller. 2. Motor Bracket for attaching the body to the OTA focuser assembly.

  • Page 6: Eaf Specifications

    USB 2.0 Sensor/Hand Controller Interface 3.5mm audio, Centre Positive The ZWO EAF utilises a USB2.0 interface for data communication which supports ASCOM and can be used in association with a wide variety of astronomy software. Planetary imagers can use ZWO’s ASICAP or other third-party software packages such as Sharpcap, FireCapture.

  • Page 7: Installation

    EAF. https://www.yuque.com/zwopkb/hardware/eaf-support-list#G2tSm You can also check the mechanical drawing below to estimate the compatibility by yourself. A range of brackets for other telescopes are going to be available with time. Please keep your eyes on the ZWO site. EAF_Manual_EN_V2.5.doc...

  • Page 8: Dimensions

    EAF Manual 5. Dimensions EAF_Manual_EN_V2.5.doc...

  • Page 9: Connecting Your Eaf

    EAF Manual 6. Connecting your EAF Remove the coarse adjustment knob of Install flexible coupling the telescope focuser with a suitable telescope focuser shaft and tighten the sized wrench. lock screw. Attach the bracket to the focuser and Attach the bracket to the focuser and then then fix it to the EAF body with the fix it to the EAF body with the screws.
  • Page 10 EAF Manual Check whether the installation is robust. Connect ASIAIR/ computer/cooled camera, hand controller or the temperature sensor. For curved focusing seats, such as those on the Sharpstar and the Feathertouch focusers, you only need use the original locking screws and 3 spacers to fix the EAF.

  • Page 11: Software Installation And Configuration

    The latest version of ASIStudio has native support for the EAF. Other software packages will require the use of an ASCOM driver. EAF ASCOM drivers can be found on the ZWO website: https://astronomy-imaging-camera.com/software-drivers Download and install the ASCOM driver and launch the EAF dashboard from within your astronomy software.

  • Page 12: Connecting Eaf To Your Astronomy Software

    EAF Manual 8. Connecting EAF to your Astronomy Software ASIStudio Take ASICap for example: 1.Open the focuser control panel. 2. choose the focuser that you connected. 3. Set suitable settings for your EAF. EAF_Manual_EN_V2.5.doc...

  • Page 13: Asiair

    EAF Manual ASIAIR The newest ASIAIR App version supports Manual Focus and Auto Focus. 1. Tap the Focuser icon on the top navigation bar to enter the Focuser Settings page. EAF_Manual_EN_V2.5.doc...
  • Page 14 There are three types of settings, 1) Info Display Temp shows the environmental temperature in Celsius format with an extra Temperature Sensor (comes with the ZWO-EAF-A kit), or the EAF inner temperature without one. Position Info > Current shows the EAF stepper count of the current position based on the last ZERO position.
  • Page 15 EAF Manual 2) Action Settings GoTo, see above. Reverse, turning it on means make the EAF Motor rotates in the reverse direction based on the current direction. 3) Parameters Tap the Focuser icon in the left Auxiliary Tools area to show the Focus Control Pad, switch the move step size which is set in the Fine (Slow) Step and Coarse (Fast) Step options by tapping the text button ‘Slow’/’Fast’.
  • Page 16 All the settings have the meanings as the title or the tip text tells. AF EXP, here the value is a common setting if there is no ZWO EFW is connected and only effects while AF is enabled in Autorun mode.

  • Page 17: Sharpcap

    AF has two trigger ways, manually or automatically. AF runs automatically in the Autorun progress if any of the options are enabled in the above settings. Trigger it manually by tapping the AF icon on the Focus Control Pad. Sharpcap 1.Open Sharpcap settings. 2.Choose ZWO focuser. EAF_Manual_EN_V2.5.doc...

  • Page 18: Firecapture

    EAF Manual FireCapture 1.Open the focuser panel in settings menu. 2. Check “Use ASCOM Focuser” 3. Choose ZWO Focuser in ASCOM panel. EAF_Manual_EN_V2.5.doc...

  • Page 19: Sequence Generator Pro

    EAF Manual Sequence Generator Pro Maxim DL Pro 1.Open “Observatory panel”, in “Focuser 1” option, click “Choose…”. 2. Choose ZWO Focuser in ASCOM panel. EAF_Manual_EN_V2.5.doc...

  • Page 20: Nebulosity

    EAF Manual Nebulosity To be added The SkyX 1.Open “Telescope” menu, and select “Telescope Setup” 2.Select “Focuser Setup” EAF_Manual_EN_V2.5.doc...
  • Page 21 EAF Manual 3. select ASCOM Focuser 4. Setup the settings of ASCOM focuser. 5.Choose ZWO Focuser Additional Installation Information There is significant torque from the EAF stepper motor. We recommended setting the 0 position and the maximum number of steps as a first step to prevent possible damage to the focuser.

  • Page 22: Manual/Automatical Focus Control

    EAF Manual For the standard bracket installation: The 0 position is recommended to be set to the position when the focuser is fully retracted. The maximum number of steps is recommended to be set to a limit position less than or equal to the full focuser stroke. For the curved saddle installation: The 0 position is recommended to be set near the focus of the focus of the focus holder.

  • Page 23: Asistudio

    EAF Manual ASIStudio ASIStudio supports both manual and auto focus. Take ASICap for an example of how to manually do focusing. 1. When the image looks very fuzzy, use “coarse” button. 2. When the image looks slightly blurred, use “fine” button. EAF_Manual_EN_V2.5.doc...
  • Page 24 EAF Manual 3.Done 4. Goto ZERO position. EAF_Manual_EN_V2.5.doc...
  • Page 25 EAF Manual And then take ASIImg for an example of autofocus. 1. Turn on the camera. 2. Click the EAF icon in the Vertical Tool Bar. EAF_Manual_EN_V2.5.doc...
  • Page 26 EAF Manual 3. Click the AF icon in the Horizontal Tool Bar. 4. Set EXP value and choose the bin mode. EAF_Manual_EN_V2.5.doc...
  • Page 27 EAF Manual 5. Click the Run button and wait a moment. 6. Done! EAF_Manual_EN_V2.5.doc...

  • Page 28: Asiair

    EAF Manual ASIAIR ASIAIR also supports both manual and auto focus. For the detailed instruction, we recommend you head over here: https://www.yuque.com/zwopkb/asiair/focus Sequence Generator Pro SGP’s autofocus is very easy to use. When using SGP please set the freewheel setting in the ASCOM driver to 0 to avoid affecting the focusing speed.
  • Page 29 EAF Manual 3. Set the Auto Focus parameters as below 4. Set the focuser backlash settings EAF_Manual_EN_V2.5.doc...
  • Page 30 EAF Manual 5. With the telescope roughly in focus before you start, click the run button to start the autofocus procedure. EAF_Manual_EN_V2.5.doc...

  • Page 31: Focusmax

    EAF Manual SGP will automatically take exposures and move the focuser steps drawing a V curve tracking the stars HFR value. Once the curve is complete SGP will drive the focuser to the best measured value. FocusMax Step 1: Set up the camera. Open the software, click System to enter the settings interface.
  • Page 32 EAF Manual Step 2: Select the ZWO Focuser in the dialog and click OK. Step 3: Next, connect the EAF. Click the Connect button and wait for the connection to be made EAF_Manual_EN_V2.5.doc...
  • Page 33 EAF Manual Step 4: Next set the Backlash Compensation and Camera Control Step 5: Set the Exposure and Focus Mode EAF_Manual_EN_V2.5.doc...
  • Page 34 EAF Manual Step 6: Open the Vcurve dialog box and set the number of steps per move (generally set to -10). Run the autofocus routine: EAF_Manual_EN_V2.5.doc...
  • Page 35 EAF Manual After the V curve is drawn the focuser will be driven to the optimal focus position. EAF_Manual_EN_V2.5.doc...

  • Page 36: Measuring The Focuser Backlash

    EAF Manual Measuring the Focuser Backlash It is relatively easy to measure the focuser backlash. The following example uses ASICAP as the software application driving the EAF: Set the coarse step size to 1000 and the fine step size to 10. Click the Coarse Button and move the focuser out by 1000 steps.

  • Page 37: Warranty And Return Policy

    EAF Manual Set the number of steps in the Set Backlash settings box If you want to measure the backlash setting more accurately then chose Step Size 5 in the fine step setting and repeat the above steps. 10. Warranty and Return Policy We provide 2-year warranty for our products.
  • Page 38 The customer must pay for shipping when shipping the EAF back for repair or replacement. If you get a faulty EAF, please contact us as soon as possible via the ZWO support page: https://support.astronomy-imaging-camera.com/ Please describe the problem in detail, and we will do our best to solve the problem.

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