Manfrotto 026 Lite-Tite Swivel brand_Polaroid US-made 400Ws strobe with a

US-made 400Ws strobe with a metal housing and nice

there's a pretty decent chance that the mark has existed since this lens left the factory

Note that this an electromagnetic-diaphragm E-series lens

and shooting conditions- so don't bet the farm on it

but do note this: on the inner front element

Manfrotto 026 Lite-Tite Swivel brand_Polaroid US-made 400Ws strobe with aThe Manfrotto 026 Lite Tite Swivel is a well made accessory that attaches to a lightstand and provides couplings for accessory studs and an umbrella. While some of the locking handles are plastic, the threads and body of the swivel are solid cast metal and the two provided studs are machined brass. This is a true professional grade accessory. Made in Italy.