From ~$28.30
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The Pegasus Astro M68 Male to M42 Male Adapter is a precision-engineered solution designed to seamlessly connect components with M68x1.0 and M42x0.75 male threads. The M68x1 thread, often referred to as the 2.7" thread with a major diameter of 68mm and a pitch of 1mm, is commonly used in high-end astrophotography setups and larger telescopes to connect various accessories, such as field flatteners, reducers, or adapters. The M42 thread, also known as the T-thread, is a standard thread size widely used in astrophotography and camera lens connections with a metric size of M42x0.75. This compact adapter enables connections between larger format optical systems and standard T/T2 threaded imaging components.
| M42 Thread Length | 4 mm |
| Adapter Backfocus Thickness | 1.4 mm |
| M42 Thread Pitch | 0.75 mm |
| M68 Thread Pitch | 1 mm |
| M68 Thread Length | 4 mm |