This auction is for one high quality 2 inch to M48X0.75 adapter for telescope; male thread M48X0.75; Tube length: 39mm
Standard 48mm M48X0.75 male thread on one side to connect to diagonal body; M48X0.75 female thread at the rear end to accept 2 inch astronomy filters
Glossy black anodized finish outside; painted flat black and grooved inside for maximum contrast
Male thread: M48X0.75; female thread: M48X0.75; eliminates a range of focusing problems; the extension tube has a M48X0.75 interior thread and a M48X0.75 exterior thread for elegantly solving spacing problems in astrophotography
Use this extension tube for getting the correct image scale or the exact spacing required for reducers or field flatteners