Astro-Tech 10mm T-Thread Spacer Ring For DSLR And CCD Imaging With 42mm Threads

This Astro-Tech 10mm T-thread spacer ring can help provide the necessary spacing between a DSLR or CCD camera's focal plane and a reducer, field flattener, or other imaging accessory in prime focus astrophotography.

This Astro-Tech 10mm 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 0.5 ounces and 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.

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