The Fujinon T 400mm f/8 is a specialist telephoto lens for large format, with an actual film-to-flange distance of significantly less than 400mm. It provides high contrast, a f/16-22 ideal working aperture, and accepts 67mm filters.
| Optical Construction | 5 elements in 5 groups |
| Aperture Range | f/8-64 |
| Covering Power | 31° |
| Image Circle @ Infinity | 220mm diameter @ f/22 |
| Shutter | Copal #1 |
| Shutter Speed | 1/400th to 1 Second plus B & T |
| Filter Size | 67mm |
| Weight | 1 lb 5.6 oz |