Tamron-F SP Tele-Converter 2X N BBAR MC7 for Nikon F  type_Lens & Sensor Cleaning It has a single-speed shutter

It has a single-speed shutter (with Bulb mode) and a focusable (

Leitz Canada Telyt-R 250mm f4 lens for Leica R mount

plus original leather case

it looks and acts like a metering mode selector dial until you pull up on it

The Fujifilm X100 is a high quality compact digital camera with a fixed Fujinon 23mm f2 lens

Tamron-F SP Tele-Converter 2X N BBAR MC7 for Nikon F &nbsptype_Lens & Sensor Cleaning It has a single-speed shutterThe Tamron F SP Tele Converter 2X N BBAR MC7 is a 2x teleconverter for Nikon F mount lenses. This is a manual focus teleconverter that will work with any AI, AI S or AF lens with an on lens aperture ring (that is to say, no G type lenses). In excellent condition, with clean glass.