Skywatcher M48 Field Flattener for Esprit-100ED Pro
Sky-Watcher M48 Field Flattener for Esprit-100ED Professional
Superb quality, non-focal reducing Field Flattener specially designed for DSLR and CCD imaging with Esprit-100ED.
Provides a flat field with 42mm imaging circle.
The spacing for dedicated CCD imaging cameras is 55mm from mating surface, so it can be also easily used for imaging with a dSLR camera.