Takahashi
Takahashi TOA Set Reducer (TOA130/150 & TSA102/120)
Discontinued
- SKU:
- TKA31580S
- Availability:
- Out of stock
- Weight:
- 0.50 KGS
TOA Set Reducer is a 0.75x reducer providing 40mm corrected image circle designed for the following telescopes
- TSA-102 N / S (f/6)
- TSA-120 (f/5.6)
- TOA-130 NFB / NS
- TOA-150B
Depending on the vari-rings used, TOA RD allows you to achieve different focal ratios and image circle
| # of Vari-rings Used | Focal Length | Focal Ratio | Corrected Image Circle Diameter |
| 0 | 780 mm | 6.0 | 50mm |
| 1 | 750 | 5.8 | 50 |
| 2 | 720 | 5.5 | 44 |
| 3 | 690 | 5.3 | 40 |
| # of Vari-rings Used | Focal Length | Focal Ratio | Corrected Image Circle Diameter |
| 0 | 860 mm | 5.7 | 50mm |
| 1 | 830 | 5.5 | 50 |
| 2 | 800 | 5.3 | 44 |
| 3 | 770 | 5.1 | 40 |
