Friedo Wiesenhaven, Hamburg, F8 Effwee Aplanat Extra Rapid Lens
 

Friedo Wiesenhavern, Hamburg, F8 Effwee Aplanat Extra Rapid LensFriedo Wiesenhavern, Hamburg, F8 Effwee Aplanat Extra Rapid Lens Friedo Wiesenhavern, Hamburg, F8 Effwee Aplanat Extra Rapid LensFriedo Wiesenhavern, Hamburg, F8 Effwee Aplanat Extra Rapid Lens Friedo Wiesenhavern, Hamburg, F8 Effwee Aplanat Extra Rapid LensFriedo Wiesenhavern, Hamburg, F8 Effwee Aplanat Extra Rapid Lens

This lens appears to be a rapid aplanat/rectilinear design. This lens has 4 elements in two groups at 220mm F/8. Wiesenhavern in a photography shop in Germany that actually still exists and they were able to date the lens to around 1900-1910.

Sample photos, lens history, and additional information to follow soon.