Tamron C04-300 Adaptall Mount for Nikon AI

hello it's Peter Elgar from Brentwood Essex England again here this time I'm going to talk about Tamron and their innovative ways in which you can fit their lenses to so many different mounts and look at this collection it's five different mounts and it's very expensive to set up getting five different lenses that fit but Tamron came up with a thing called the adaptil mount so here's a 10 wrong lens a 10-1 superior performance zoom now these are the not the zoom well they see is the 72 to 10 because I've got so minium here both I'm getting mixed up but on the back you have what is known as an adaptive mount and it's says here this is for Pentax screw thread mount because there's the screw thread and there's a little devil little pin which brings on the aperture to city off so here is a pain tax screw thread mount we put the lens on carefully drop it it's gonna stop getting expensive the