Tamron-F 2x PZ-AF BBAR MC7 teleconverter for Pentax K lens mount_C Mount from the earliest manual focus

from the earliest manual focus models to the newest digital ones- so if you're looking for an "all purpose" lens and you've got a Pentax camera

front and rear caps

Made in Canada

the camera mount is the standard 1/4"

The Canon Speedlite 270EXII is a compact flash unit for Canon digital cameras with a tilt/zoom head and built-in TTL receiver mode (requires compatible camera and/or flash)

Tamron-F 2x PZ-AF BBAR MC7 teleconverter for Pentax K lens mount_C Mount from the earliest manual focusTamron F 2x PZ AF BBAR MC7 teleconverter for Pentax K mount cameras and lenses. This is an "autofocus" teleconverter with passthroughs for electronic contacts and mechanical focus coupling. So it will autofocus in theory, but autofocus performance will vary with lens, camera, and shooting conditions so don't bet the farm on it.