Accessory · MSRP $10
Astro-Tech 30mm T-Thread Spacer Ring for DSLR and CCD Imaging with 42mm Threads
Key specifications
| Accessory type | Adapter |
|---|---|
| Weight | 0.028 kg |
| Path length | 30 mm |
All specifications
| Interface | M42×0.75 T-thread, male one end, female the other |
|---|---|
| Compatible with | T-thread (M42×0.75) imaging trains: focal reducers, field flatteners, DSLR and CCD cameras |
About
A 30 mm spacer ring with standard male and female T-threads (42 × 0.75 mm), used in prime-focus imaging to set the distance between a camera's focal plane and a reducer or field flattener. Machined from aluminium, anodised black, with matte internal anti-reflection threads.
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