| Kowa Prominar Sph. | T-Stop | Min. Focus | Weight (lbs) | Front Diameter |
|---|---|---|---|---|
| 20mm | 2.6 | 10″ | 3.2 | 110mm |
| 25mm | 2.3 | 11″ | 4.2 | 110mm |
| 32mm | 2.3 | 10″ | 2 | 110mm |
| 40mm | 2.3 | 13″ | 2 | 110mm |
| 50mm | 2.3 | 19″ | 2 | 110mm |
| 75mm | 2.3 | 2′ 4″ | 2.6 | 110mm |
| 100mm | 2.6 | 3′ 3″ | 3.8 | 110mm |
Kowa Prominar