Optec Inc. C11 FastFocus Secondary Mirror Focuser: Precision Focusing for Celestron Telescopes

• Designed for Celestron Telescopes: Tailored to fit Celestron C-11 and EdgeHD C1100 OTA with Fastar capability, enhancing their focusing capabilities.
• Secondary Mirror Focusing Mechanism: Utilizes a unique system where only the secondary mirror moves to adjust focus, akin to professional telescopes.
• Stabilizes Imaging Train: Locks the primary mirror and imaging train in place, preventing flexure and tilt at the image plane for sharper images.
• Retrofit Kits for Older Models: Offers special retrofit kits for older Celestron OTA models to make them Fastar and FastFocus compatible.
• FocusLynx Controller Compatibility: While the specific model does not include a FocusLynx hub, it is compatible with the Optec FocusLynx # 19690 controller for enhanced focusing control.
• Split-Ethernet Wiring Kit Option: Available #19721 Split-Ethernet wiring kit for the C11, facilitating networked control.
• Broad Software Support: FocusLynx dual-focus control hubs are compatible with popular software platforms including ASCOM, Alpaca, X2, and INDI.
• High Precision Focusing: Ideal for astrophotographers and astronomers seeking precise focusing without the limitations of back-focus.
• Professional Grade Tool: A must-have for serious Celestron users who require advanced, reliable focusing solutions for their observations and imaging.
• Easy Integration and Use: Designed for straightforward installation and operation, enhancing the overall user experience with Celestron telescopes.

Specifications

• Mounting: Fits Celestron C-11 and EdgeHD C1100 OTA with Fastar capability
• Collimation: Integrated push-pull mechanism with six #10-32 socket caps
• Linear bearings: four 0.25" bore 3/4" closed circuit linear ball bearings
• Lead screw: 1/4-20 tpi x 2-inch length
• Motor: NPM 25mm flanged motor with 25:1 gearhead
• Step Size: 7.8 micro inch (0.197micron)
• Total Steps: 44800 steps
• Total Travel: 0.350 inches (8.9mm) for secondary mirror
• Net effective focal travel: approx. 1.75-inches at focal plane
• Height: 2.75 in. (70mm)
• Weight: 1 lb. 7 oz. (650 g)

Software and Docs

• C-11 FastFocus Installation Instructions
• FocusLynx Software Download