We found 2 dictionaries that define the word focal distances:

General (2 matching dictionaries)

1. focal distances: Collins English Dictionary
2. focal distances: Vocabulary.com

(Note: See focal_distance as well.)

Definitions from WordNet (focal distance) ▸ noun:  the distance from a lens to its focus ▸ Also see focal_distance ▸ Words similar to focal distances ▸ Usage examples for focal distances ▸ Idioms related to focal distances ▸ Wikipedia articles (New!) ▸ Words that often appear near focal distances ▸ Rhymes of focal distances ▸ Invented words related to focal distances