Feature 1Compatibility: The threaded M42x0.75 adapter is suitable for 2 inch telescopes and the T2 adapter ring is suitable for PENTAX SLR K cameras, practical to use. 2Telescope Model Applications: The adapter is suitable for telescope models such as 5SE, 6SE, 8SE, C5, C8, C9.25, C11, C14 and other SCT interface primary mirror for CELESTRON. 3Easy to Install: Precise fit, firm connection, you can directly install the telescope adapter and the T2 ring, no adjustment, simple and convenient operation. 4Aluminum Alloy Material: The telescope photo adapter is made of premium aluminum alloy, will not fade, do not hurt telescope thread, long service life. 5Multiple Applications: Precise structure, tight bonding to ensure a solid fit. Suitable for observing and photographing the entire moon, gas nebulae or galaxies.Item Type: Telescope Photo AdapterMaterial: Aluminum alloyWeight: Approx. 117g/4.1ozAdapter Thread: outside, M42x0.75mm (commonly known as T2 thread)Connection Ring Thread: internal, 2 inch 3/8 inch thread (commonly known as SCT thread)Compatible Models: for PENTAX SLR K camera .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 xTelescope Adapter2 xT2Ring1 xWrench