Hilo, that is an impressive mod to a Valoy. I forgot to mention another reason to love the Valoy 2; adjustment of the enlarging lens aperture. A favorite enlarging lens for small format is a Nikkor 63mm f/2.8. If you mount Nikkor optics to a 1c they fit higher up in the helicoil and are not as ergonomic to change apertures as the Focotar. With the Valoy changing apertures is easy with any lens you prefer. But again....it's the quality of light source, construction, foot print, and ease of use that makes the Valoy 2 such a joy....helps if you solve the filter holder issue.