Tamron SP 15-30mm f/2.8 Di VC USD Filter Adapter

Tamron SP 15-30mm f/2.8 is an ultra-wide angle lens which is versatile for a variety of photography categories. Personally, I use it for Milky Way and landscape photography.

I wanted to make some long exposure landscape photos but the filter adaptors for this lens that are in the market are extremely expensive (filters appart).

So I decided to design a filter support for 150mm filters that fits this lens.

Obviously, it can be used with other lenses as well due to its big diameter, just