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Our M42-to-M48 Step Ring with Lip adds a stop to keep the ring from threading too far in. Ideal for using a ZWO OAG with an SCT T-adapter, for example.
Our M42-to-M48 Step Ring with Lip adds a stop to keep the ring from threading too far in. Ideal for using a ZWO OAG with an SCT T-adapter, for example.