Starfield Optics T / T2 Locking Ring: Secure Your Astrophotography Connections Purpose of Use: Specifically designed as a locking ring for T / T2 threaded connections, enhancing the stability and security of astrophotography setups. Slim Design: Features a compact 4mm thickness, ensuring it doesn't add bulk to your equipment setup. Thread Compatibility: Perfectly suited for situations where male T / T2 threads are longer than the available female thread depth. Enhanced Stability: Provides a secure lock to prevent loosening or misalignment of attached camera or accessory, crucial for maintaining image quality. Easy Installation: Designed for straightforward attachment, making the process of securing camera equipment quick and efficient. Durable Construction: Crafted from robust materials to withstand the rigors of regular astrophotography use. Essential Accessory: A must-have for astrophotographers who need a reliable solution for managing thread depth discrepancies in their equipment setup. Versatile Use: Compatible with a wide range of astrophotography equipment, making it a versatile addition to any astronomer's toolkit.