Nikon TC-1 2x teleconverter for Nikon F brand_Sekonic which is visible in the

which is visible in the viewfinder but does not affect function

you can easily flip them out of the way and move your lensboard anywhere you like

standard 1/4" camera thread on quick-release plate

6L IS USM is specced exactly like the non-L version: same aperture range

Nikon TC-1 2x teleconverter for Nikon F brand_Sekonic which is visible in theNikon TC 1 2x teleconverter for Nikon F mount lenses. This is a manual focus teleconverter with a pre AI pin coupling system for metering. Because this is a standard F mount teleconverter, it will fit most F mount lenses but because it uses pin coupling, it won't transmit metering information on cameras that use the AI system, including any DSLRs. It can be used in stopped down mode for metering. In excellent working order, with some cosmetic wear on