Tamron BBAR Multi Coated 24mm f2.5 for Nikon F  type_Film Cameras 8 T* is a modern

8 T* is a modern wide-angle lens for the Leica M mount

which actually makes it an 8X

Suitable for a pro camera with a supertelephoto lens- plus a ton of other things- with stowable straps and carrying handles on top and side

The optical image stabilizer helps keep things steady

You actually want to know what the f stop is

Tamron BBAR Multi Coated 24mm f2.5 for Nikon F &nbsptype_Film Cameras 8 T* is a modernThe Tamron BBAR Multi Coated 24mm f2. 5 is a compact wide angle lens with a pretty respectably fast f2. 5 aperture. Clean glass, good function. This is a Adaptall lens, which can be used with many different camera systems by interchanging its mount; it includes a Nikon F mount.