2/3 to 1/3 B4 adapter

Starman

Well-known member
Okay, I have a question:

I have a Panasonic HDX900 with a 2/3" B4 mount 17x lens with doubler.

I have the exact same lens, but a 1/3" format on my HPX370 camera as well.

I have seen someone put a 2/3" wide angle on the 370 using the B4 step down adapter, you don't gain any wide because you are not using a large sensor, but you do get better glass.

What I am wondering however, is if the 2/3" 17x would get me a longer lens on the HPX370 if I used the adapter as opposed to my 1/3" lens?

Thanks.
 
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