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spacer rings work great for prime focus
these are great spacer rings for astrophotography at a great price, can never have enough of them for emergencies
Dial In Your Back Focus!!
Baader adjustment spacer ring set is great! There is a wide variety of sizes and multiples of each size. With a micrometer, each ring's thickness measured exactly what was stated for each ring with only two of them being .01mm larger than stated. They helped me achieve accurate back focus with no issues at all. I would definitely recommend buying some to assist you in making any necessary minor changes to your back focus.
Enhance your astronomical viewing experience with the Baader Planetarium T2 Delrin Adjustment Spacer Ring Set. This high-quality set includes 15 durable spacer rings, crafted from innovative Delrin material known for its strength and reliability. The versatility of the set is unmatched, featuring five distinct sizes with three rings per size, ensuring a perfect fit for a variety of eyepiece configurations.
Each ring in the set is designed to provide a secure and precise adjustment, allowing for optimal alignment and improved comfort during long stargazing sessions. The black rubber construction not only adds to the durability but also minimizes internal reflections, enhancing the clarity of your celestial observations.
Whether you're an amateur astronomer or a seasoned skywatcher, the T2 Delrin Adjustment Spacer Ring Set is an essential accessory for your telescope setup. Its innovative design and versatile sizing options make it a superior choice for those seeking a reliable solution to achieve the perfect eyepiece spacing. With this set, you can fine-tune your telescope for a more comfortable and immersive viewing experience, exploring the cosmos with ease and precision.