Solar Imaging Adapter: The DayStar Filters QUARK Camera Adapter is designed for owners of H-alpha, Calcium, or Sodium Quark solar filters, allowing them to mount these filters between Canon camera bodies and lenses to transform their camera system into a solar imaging and viewing setup.
Spacer Rings Included: DayStar includes two 6mm extender spacer rings with the adapter to ensure compatibility with a wide range of lenses, providing flexibility in your solar imaging setup.
Sturdy Lens Foot: To support the Quark, camera, and lens, the adapter comes with a combination lens foot. It features a 1/4"-20 socket for easy attachment to photo/video/field tripods and a Vixen-style dovetail plate for mounting on traditional telescope heads.
No Electronic Pass-Through: Please note that there is no electronic pass-through with this adapter and Quark, which means certain lens features like autofocus or electronic aperture control will not function. However, you can still utilize the lens' zoom capabilities.
Filter Recommendations: DayStar recommends using red, orange, or yellow colored glass lens front filters on lenses with apertures larger than 80mm for added safety during solar observations.
Focus and Clearance Considerations: Keep in mind that focus and clearances cannot be guaranteed for all lenses. Compatibility may vary depending on the specific lens model.

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Daystar Filters Canon Telephoto lens to Classic Quark adapter