Lomography are huge in the analogue world starting with Holga's and Diana's then the LCA they really put analogue on the map when e'ryone was chasing 5 megapixel digital cameras.
Here is what Lomo say:
Choose this film to bathe your photos in warm shades of red and orange. Lomography Redscale XR 50-200’s extended range allows flexibility and unlimited possibilities.
Lomography Redscale XR 50-200 is a 120 redscale film with an extended exposure range. This film washes your images with warm shades of red, orange and yellow—and even shades of cool blue, giving you tons of creative control and unlimited shooting possibilities.