Orion 5528 T-Thread Spacer Ring Kit
Use the Orion T-Thread Spacer Ring Kit to achieve proper spacing with astrophotography equipment and avoid fuzzy, out of focus images. Includes 5mm, 10mm, and 25mm T-threaded spacer rings - mix and match depending on your needs. Each ring features an easy-grip knurled exterior for convenient use. Glare-reducing threaded interior maximizes contrast. Made of rugged black anodized aluminum