This Astro-Tech 15mm T-thread spacer ring has standard male and female T-threads (42mm x 0.75mm). It is used in prime focus astrophotography to position a DSLR or CCD camera's focal plane the correct distance from a focal reducer, field flattener, or other imaging accessory for optimum image quality. The spacer weighs only one ounceand is precision-machined from aluminum and anodized black for good looks and durability. It has matte black internal anti-reflection threads for maximum contrast. It can be used alone or in combination with other spacers to achieve the correct component spacing.
We haven't recommended any accessories for this product quite yet... check back soon or call one of our experts (1-405-364-0858).
This product does not have supplied accessories... or supplied accessories have not been assigned.