Product Description: 1.25" Laser Collimator for Newtonian Telescopes Adjustable Laser Brightness: This laser collimator comes equipped with a built-in battery and supports 7 levels of laser brightness adjustment. This feature allows you to customize the brightness to suit various lighting conditions, ensuring optimal visibility and precision during the collimation process. Efficient and Accurate Collimation: Designed to facilitate quick and easy collimation, this tool helps you achieve precise alignment for your Newtonian telescope. Its user-friendly design makes it ideal for both novice and experienced astronomers, enabling you to enhance your viewing experience with minimal effort. Versatile Adapter Inclusion: The collimator includes an adapter that converts the 1.25-inch thread to a 2-inch thread, offering compatibility with a wider range of telescope models. This versatility ensures that the collimator can be seamlessly integrated into various setups, providing flexibility for different optical configurations. Durable and Power-Saving Design: With a power-saving design, this laser collimator features low energy consumption, allowing for extended use without frequent battery replacements. Its durable construction ensures reliable performance over time, making it a long-lasting addition to your telescope accessories. Ideal for Multiple Telescope Types: Specifically suitable for Newtonian telescopes, and compatible with Marca models, this collimator is an essential tool for maintaining the optimal performance of your optical devices. It ensures that your telescope is always properly aligned, improving image clarity and overall viewing quality. Enhance your stargazing experience with this 1.25" laser collimator, designed for precision and ease of use. Whether you're a seasoned astronomer or just starting out, this tool offers reliable performance and adaptability to suit a wide range of telescopic needs, ensuring that your celestial observations are always sharp and clear.