RafCamera M42x0.75 (T2) male to M28.5x0.6 male thread adapter for $25
RafCamera T2 female to M28.5x0.6 male thread adapter for Denkmeier...
SpeedFactory Racing Billet M28 to -10AN Adapter Fitting – Dynamic Performance Racing
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Stainless Steel M22 To M28 Thread Connector Faucet Joints Water Tap Adapter Water Purifier Accessory Garden Irrigation Parts - Garden Water Connectors - AliExpress
RafCamera M28.5x0.6 male (1.25″ astronomy filters) to C-mount male...