MiniSight compact 10X grain focuser from Bestwell.
The Paterson Major Focus Finder is specifically designed to make focusing easier when making big enlargements.
Paterson Micro Focus Finder magnifies a small area of the image, allowing you to focus on the grain of the negative.
Professional quality Peak Enlarging Focuser Model I
Deluxe quality Peak Enlarging Focuser Model II
Superior quality Peak Enlarging Focuser Model III