What is the LC-A Instant Back+ Distance Chart?
The Lomo LC-A Instant Back+ and its correction lens let you get extremely close to your subjects. For sharp-as-a-knife shots you need to set the focus of your Lomo LC-A according to the following chart (also printed on your Instant Back):
0.8m becomes 0.55m
1.5m becomes 0.8m
3m becomes 1.5m
For everything above set to infinity