| Name | Size | Focal Length | Magnification |
|---|---|---|---|
| Meade Focal Reducer f/6.3 | 2.0" | 248.8 mm | 0.78-0.78× |
| Meade Focal Reducer f/3.3 | 2.0" | 83.0 mm | 0.35-0.35× |
| Barlow 2.4× | 1.25" | -57.3 mm | 2.44-2.87× |
| Barlow 2× | 1.25" | ||
| Galileo Barlow 2× | 1.25" | -28.4 mm | 2.53-4.48× |
| Criterion CP4 Barlow | 1.25" | -39.1 mm | 2.52-3.43× |