TeleVue Imaging System 25.4 mm: Extension: 25.4 mm extension for the Imaging System
This extension adds exactly 25.4 mm to the optical train of the Imaging System. Reducers and field correctors specify their working distance in millimeters; with the series of extensions you can precisely build that distance.
The wide 2.4 inch (60 mm) thread keeps the full image circle free, even on full-frame sensors.
Features
- Adds exactly 25.4 mm working distance
- Wide aperture, no vignetting on large sensors
- Thread on both sides, stackable with other lengths
Compatibility
Part of the 2.4 inch (60 mm) thread line of the TeleVue Imaging System, as used on the NP101is, NP127is, and the is focusers. Compatible with all other Imaging System components in this range.
Specifications
| Type | Imaging system extension |
| Length | 25.4 mm |
| Thread | 2.4 inch / 60 mm |
You can find the complete product line for this brand at the TeleVue brand page.
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