Accessory
Astro-Physics 3.27" Backfocus Spacer Extension, 18.3 mm (EXT327-18.3)
Astro-Physics · 3.27" Backfocus Spacer Extension, 18.3 mm (EXT327-18.3) · telescope adapter
Key specifications
| Accessory type | Adapter |
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| Path length | 18.3 mm |
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All specifications
| Interface | 3.27" backfocus spacer extension |
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| Compatible with | TEC 140 imaging trains (QUADTCC and similar) |
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About
A 3.27-inch backfocus spacer extension that makes up the difference between a flattener or telecompressor corrector and the 80.8 mm spacing Astro-Physics' camera adapters are designed around. This length is the one specified for the TEC 140.