andrea86bert
Well-known member
Hi,
I want to protect the lens from salt and sand.
On Swarovski website i have read M87 x 0,75 and I suppose that I have to self-build the filter.
Do you have any experiences with filter for BTX/ATX objective lens?
Thanks,
Andrea
I want to protect the lens from salt and sand.
On Swarovski website i have read M87 x 0,75 and I suppose that I have to self-build the filter.
Do you have any experiences with filter for BTX/ATX objective lens?
Thanks,
Andrea