[cf. PHOTO 2], abbrev. of TELEPHOTOGRAPHIC a.2
1898. Westm. Gaz., 26 Jan., 5/3. By means of a tele-photo lens … Mr. Lodge has secured many photographic records of great value to the ornithologist.
1900. H. M. Wilson, Topographic Surv., xli. 869. An attachment called a telephoto combination, which consists in the addition of a negative or magnifying element in the rear of the combination proper. This produces larger images of distant objects.
