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7mm T2 extension
PrimaLuceLab
PL3304207
PrimaLuceLab T2 extensions are available in different lengths and they present on both sides of a T2 thread (one side is male, the other is female). Completely made of metal with black anodizing (both internal and external), these extensions offer an external knurling for a better grip (very useful for example when screwing or unscrewing). Thanks to different T2 extensions and spacers, by ordering different combinations you can adjust the thickness of your personalized extension, in 0.5mm steps!
Availability:
In Stock
Delivery in 24-48 hours from shipment with express courier
$19.00
T2 extension rings have different use:
- can be screwed to optical accessories (such as field flatteners or focal reducers) to bring the camera sensor at the right distance from the lens (to optimize performance)
- can be used to separate the mechanical accessories that, when used together, can touch and then not work properly (eg an off-axis guider could touch a filter wheel and it could prevent its rotation searching for a guide star)
T2 extension installed (together with the M48 female to T2 male adapter) between camera and corrector in order to correctly set backfocus.
7mm T2 extension: specifications
- Thickness: 7mm
- Material: aluminum
- Black anodizing
- T2 male and female thread on sides
- External knurling to improve grip
T2 extensions can be screwed together. In order to set the perfect thickness you need, you can also add the T2 1mm and 0.5mm spacers in between.
Thanks to the availability of different extensions and spacers, you can purchase different combinations and adjust the thickness of your customized extension, in 0.5mm steps!
| Thickness (mm) | Combination | Codes |
| 5 | 5mm T2 extension |
PL3304205 |
| 5,5 | 5mm T2 extension + T2 spacer 0,5mm |
PL3304205 + PL3304200 |
| 6 | 5mm T2 extension + T2 spacer 1mm |
PL3304205 + PL3304201 |
| 6,5 | 5mm T2 extension + T2 spacer 1mm + T2 spacer 0,5mm |
PL3304205 + PL3304201 + PL3304200 |
| 7 | 7mm T2 extension | PL3304207 |
| 7,5 | 7mm T2 extension + T2 spacer 0,5mm |
PL3304207 + PL3304200 |
| 8 | 7mm T2 extension + T2 spacer 1mm |
PL3304207 + PL3304201 |
| 8,5 | 7mm T2 extension + T2 spacer 1mm + T2 spacer 0,5mm |
PL3304207 + PL3304201 + PL3304200 |
| 9 | 9mm T2 extension | PL3304209 |
| 9,5 | 9mm T2 extension + T2 spacer 0,5mm |
PL3304209 + PL3304200 |
| 10 | 5mm T2 extension + 5mm T2 extension |
PL3304205 + PL3304205 |
| 10,5 | 5mm T2 extension + 5mm T2 extension + T2 spacer 0,5mm |
PL3304205 + PL3304205 + PL3304200 |
| 11 | 5mm T2 extension + 5mm T2 extension + T2 spacer 1mm |
PL3304205 + PL3304205 + PL3304201 |
|
11,5 |
5mm T2 extension + 5mm T2 extension + T2 spacer 1mm + T2 spacer 0,5mm |
PL3304205 + PL3304205 + PL3304201 + PL3304200 |
| 12 | 5mm T2 extension + 7mm T2 extension |
PL3304205 + PL3304207 |
| 12,5 | 5mm T2 extension + 7mm T2 extension + T2 spacer 0,5mm |
PL3304205 + PL3304207 + PL3304200 |
| 13 | 5mm T2 extension + 7mm T2 extension + T2 spacer 1mm |
PL3304205 + PL3304207 + PL3304201 |
| 13,5 | 5mm T2 extension + 7mm T2 extension + T2 spacer 1mm + T2 spacer 0,5mm |
PL3304205 + PL3304207 + PL3304201 + PL3304200 |
| 14 | 7mm T2 extension + 7mm T2 extension |
PL3304207 + PL3304207 |
| 14,5 | 7mm T2 extension + 7mm T2 extension + T2 spacer 0,5mm |
PL3304205 + PL3304207 + PL3304200 |
| 15 | 7mm T2 extension + 7mm T2 extension + T2 spacer 1mm |
PL3304207 + PL3304207 + PL3304201 |
| 15,5 | 7mm T2 extension + 7mm T2 extension + T2 spacer 1mm + T2 spacer 0,5mm |
PL3304207 + PL3304207 + PL3304201 + PL3304200 |
| 16 | 7mm T2 extension + 9mm T2 extension |
PL3304207 + PL3304209 |
| 16,5 | 7mm T2 extension + 9mm T2 extension + T2 spacer 0,5mm |
PL3304207 + PL3304209 + PL3304200 |
| 17 | 7mm T2 extension + 9mm T2 extension + T2 spacer 1mm |
PL3304207 + PL3304209 + PL3304201 |
| 17,5 | 7mm T2 extension + 9mm T2 extension + T2 spacer 1mm + T2 spacer 0,5mm |
PL3304207 + PL3304209 + PL3304201 + PL3304200 |
| 18 | 9mm T2 extension + 9mm T2 extension |
PL3304209 + PL3304209 |
| 18,5 | 9mm T2 extension + 9mm T2 extension + T2 spacer 0,5mm |
PL3304209 + PL3304209 + PL3304200 |
| 19 | 9mm T2 extension + 9mm T2 extension + T2 spacer 1mm |
PL3304209 + PL3304209 + PL3304201 |
| 19,5 | 9mm T2 extension + 9mm T2 extension + T2 spacer 1mm + T2 spacer 0,5mm |
PL3304209 + PL3304209 + PL3304201 + PL3304200 |
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