Vivitar Zoom lens MC MACRO 100-300mm F5.6-6.7 PK A/R
Focal Length - 100mm - 300mm. The lens does have its connection cap however not its lens cap. Lens Max Aperture - f/5.6-f/6.7. Picture Angle -8.4 - 24.6 degrees. The ring and sliding body have a smooth action.