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Summary of Contents for Diffraction SBIG AFW Series
- Page 1 ® SBIG AFW Series Filter Wheel User’s Manual Version 1.02 - April 28, 2021 DIFFRACTION LIMITED...
- Page 2 Aluma® are registered trademarks of Diffraction Limited. Aluma AC, AFW, StarChaser, SC-2, SC-3, ST-4, STF, STX, STXL, AO-X, MaxIm DL, and MaxIm LT are trademarks of Diffraction Limited. Windows is a registered trademark of Microsoft Corporation. All other trademarks, service marks, and trade names appearing in this guide are the property of their respective owners.
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Page 3: Table Of Contents
4 – Setting up the Filter Wheel ................ 13 Single Filter Wheel..................13 Dual Filter Wheels ..................14 DL Imaging – Aluma CCD, Aluma AC, STC Series ..............14 SBIG Universal – STX, STXL Series ..................17 5 – Specifications .................... 19 DIFFRACTION LIMITED... -
Page 4: The Sbig Afw Advanced Filter Wheels
1 – The SBIG AFW Advanced Filter Wheels Diffraction Limited’ SBIG AFW series filter wheels are designed to consume the minimum back focus distance while providing fast and quiet operation. The AFW series wheels are designed to directly interface to all SBIG cameras that utilize the “STX”... -
Page 5: Supplied Components
The DB-9 cable is a high-quality cable with large gauge wiring to provide adequate power and control signals to the wheel. Warning: Do not substitute a low-quality or longer cable as this will cause control problems, including intermittent wheel operation. DIFFRACTION LIMITED... -
Page 6: Installing The Filter Wheel
1. Lay the filter wheel down on a flat book or similar object so the protruding screws and motor cover do not touch the tabletop. 2. Using the 5/64” Hex wrench, remove the 5 screws attaching the cover, and set the cover aside. DIFFRACTION LIMITED... - Page 7 You can flip the spacer over to do this. 7. Reinstall the fiber washers and retention screws. If you are using 2 mm thick filters, make sure the washer nests into the cutout in the spacer. DIFFRACTION LIMITED...
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Page 8: Attach The Filter Wheel To The Camera
4. Note that two of the filter wheel mounting screws are under the carousel. They can be accessed by rotating the carousel by hand to align the hole. AFW filter wheel attached to an Aluma AC series camera DIFFRACTION LIMITED... -
Page 9: Final Assembly
1. Reattach the filter wheel cover using the five screws removed in Filter Installation Step 1. 2. If you are planning to use a StarChaser SC-3 SHORT, it will be installed directly on top of the filter wheel. Please consult the StarChaser manual for details. DIFFRACTION LIMITED... -
Page 10: Dual Wheel Assembly
2. Install the filters normally. Usually, the last slot in the wheel is left empty, to allow filters in the second wheel to be used with no filter present in the first wheel. 3. Install the lid normally. DIFFRACTION LIMITED... - Page 11 9. Install the dual wheel AUX cable onto the second wheel. The connector with the custom round back shell must be attached to the second wheel prior to further assembly. This connector does not require thumbscrews; the first wheel holds it in place. DIFFRACTION LIMITED...
- Page 12 12. Attach the cover on the second wheel, and finish mounting the nosepiece adapter and/or StarChaser and AO-X per the standard instructions. 13. Finally, plug the remaining two connectors on the AUX cable into the first filter wheel and the camera, and tighten the thumbscrews. DIFFRACTION LIMITED...
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Page 13: Setting Up The Filter Wheel
SBIG AO w/FW. 5. Rename the filter slots if required. Double-click on the filter names and enter a new value. 6. Click OK. 7. Click OK. 8. Click Connect. Your filter wheel is now ready for use. DIFFRACTION LIMITED... -
Page 14: Dual Filter Wheels
3. Re-select your camera, even if you have done so previously without the dual wheel installed. This is necessary so the software knows you have a Dual Wheel. The full procedure is in the camera manual; however, a brief summary follows: DIFFRACTION LIMITED... - Page 15 Advanced. In the DL::Config dialog (shown below) click on your camera model under Devices, then click OK. Click OK again. 4. Next, under Camera 1 click Setup Filter. Set Filter or Controlling Camera Model to DL Imaging+FW. 5. Click Advanced. The following form appears: DIFFRACTION LIMITED...
- Page 16 “Empty” or “Blank” slot on the opposing wheel. Example: Primary (wheel 1) has Luminance, Red, Green, Blue, Ha, S-II, O-III, Empty. Secondary (wheel 2) has U, B, V, R, I, Empty. You can DIFFRACTION LIMITED...
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Page 17: Sbig Universal - Stx, Stxl Series
1 and wheel 2. See the table above for an example. To set up 1. Configure the camera and filter wheel normally, then connect to the camera. This ensures that the settings file is created. You will be modifying that file manually. DIFFRACTION LIMITED... - Page 18 The last semicolon before the closing quote is mandatory. 8. Save the file and close Notepad. 9. Connect to the camera in MaxIm LT and verify correct filter wheel operation. Check each slot to ensure the correct filter is selected. DIFFRACTION LIMITED...
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Page 19: Specifications
50 mm Square Filter Thickness 1 mm, 2 mm, or 3 mm Typical Camera Aluma AC4040, STX AFW-12-50R Number of Slots Filter Size 50 mm Round Filter Thickness 1 mm, 2 mm, or 3 mm Typical Camera Aluma AC2020, STXL DIFFRACTION LIMITED... - Page 20 DIFFRACTION LIMITED...
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