The Polaris ø3" Mirror Mount, model POLARIS-K3S4, is a high-quality optics mount manufactured by Thorlabs, a renowned brand in the field of optical components. This kinematic optic mount is designed to securely hold circular optics with a diameter of up to 50.8 mm, making it suitable for a wide range of optical applications.
The mount is constructed from stainless steel, ensuring durability and resistance to corrosion. It features two adjusters with side holes, allowing for precise tip-tilt adjustments. The adjusters have a thread of 1/4", and each revolution provides an adjustment of 7.7 degrees, enabling fine-tuning of the optical alignment. The fine tilt angular range is 4 degrees, providing a good balance between adjustment range and stability.
The Polaris-K3S4 mount is compatible with 8-32 post mounting screws, offering flexibility in integration with other optical systems. It is vacuum compatible, with a torr rating of 1e-09, making it suitable for high-vacuum applications. The mount has a pointing stability of 5, indicating its ability to maintain the position of the optic over time.
The mount is available in both metric and imperial versions, with the imperial version being the default. The optic thickness should be at least 6.095999999999999 mm for this mount. The mount does not include lock nuts.
For more information, including a step file and current stock status, please refer to the product's webpage: https://www.thorlabs.com/thorproduct.cfm?partnumber=POLARIS-K3S4