PLEASE NOTE: It has come to our attention that our contact form has not been working properly. As a result, any submissions made since July have been irrevocably lost. If you have reached out, please know that we are not ignoring you.

We will restore our contact form only once we are confident it is working reliably. Thank you for your patience.

If you have any questions about the Spears & Munsil UHD HDR Benchmark, please first check our our FAQ as well as our many explanatory articles. Most likely the answer you are looking for will be there.

If you are looking for a blue filter, they are available from colorgrade.com.