Tamron-F AF Teleconverter 1.4X N-AF MC4 for Nikon F format_1 Inch and the straight sides make

and the straight sides make it easy to cut foam to fit

use the spring-loaded measuring string to establish correct distance

with a very light indent on the barrel which does not affect function

Interior dimensions are approximately 15x30x40cm

Tamron-F AF Teleconverter 1.4X N-AF MC4 for Nikon F format_1 Inch and the straight sides makeThe Tamron F AF Teleconverter 1. 4X N AF MC4 for Nikon F is a compact teleconverter with pretty broad lens compatibility it will even transmit pin drive AF function, which no Nikon made teleconverter does (except the TC 16A, but that doesnt really count). In excellent condition, with only minor cosmetic wear.