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Questions tagged [multi-focal]

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5 votes
3 answers
540 views

Creating one photo with multiple rows as if one is head-on to each row?

I took a picture of a crescent arch with scaffolding (apparently for maintenance) but can't post it for lack of "10 reputation." However the effect is simple, in that from the vantage point, the row ...
Don's user avatar
  • 51
1 vote
2 answers
370 views

What happened to multi-focal lenses?

Apparently multi-focal lenses such as the Tri-Elmar 16-18-21mm went out of fashion but I was wondering if the reasons for that were technical or commercial. Are multi-focal harder to build compared ...
André Carregal's user avatar