The Heiland Splitgrade Controller – made simple! is a comprehensive guide to using the advanced darkroom controller from Heiland Electronics has been written by photographer by Christopher Osborne.
It is written in English, and has 100 pages and measures 20x25cm.
![Goerz Dagor [5" IN] 127mm F6.8 convertible lens in Rapax #0 Shutter #2489](https://www.cameramaplemarket.com/wp-content/uploads/2026/11/goerz-dagor-5-127mm-f6-8-convertible-lens-rapax-0-shutter-2489.webp)
