All you came here for ... more lens databases

 
Author Content Up to date?
 
Canon EOS:
  Anton Largiader   Listing of many lenses for Canon EOS system incl. tech specs, with a form to find a selection of lenses meeting your requirements (focal length, speed and cost, leave all empty to get the full list).   yes
  Adam Steenwyk   A rather curious attempt: An Analysis of Lens Handholdability, based on the Largiader database   2011
           
Nikon:
  Roland Vink   Roland's Nikon Pages   yes
 
M42/Vintage:
  Katherine Dér   praktica-users.com ... lens listing for Praktica systems (M42, B-mount, Pentacon Six)   yes (dead)
  Tiago Franco   another good Praktica page with 3rd party information   yes
  Vladislav Kern   ussrphoto.com ... THE soviet photo equipment collector's resource   yes
  Dmitrij Fedotkin   zenitcamera.com ... another great resource for communist-era russian produced cameras & lenses   yes
  Markus Wottrich   yashica.org ... all about Yashica cameras and lenses   yes
  Robert Monaghan   medfmt.8k.com ... medium format megasite with a legendary overview of 35mm stuff   yes (dead)
 
Tamron Adaptall:
  Adaptall-2.org   Excellent resource for Tamron's Adaptall and Adaptall 2 systems ... and more   yes (dead)
 
Underwater Housings:
  Digifish.nl   another database of underwater housings    
 
More:
  16-9.net   One very special resource, has a good collection of material about adapting both vintage and newer non-EF lenses to EOS mount (incl. Rangefinder lenses), as well as tons of comparisons in search for THE lens.   out of business
  MFlenses.com   Besides tons of reviews and other stuff they host the manual focus lens database dedicated to photos of the lenses themselves - BIG and unique (go to gallery > lenses)   no need to
  Macrolenses.de   The Macrolens Collection Database.   yes
 
  ACE   This is something different: a who-is-who database about manufacturers and distributors of photographic equipment. As to my understanding some of the information is not correct, but it's still a very interesting resource. Use at your own risk :).   (dead)
  JPEA International   One more link list here: The Joint PhotoImaging Enterprises Association's members list. Includes contact information for japanese companies like Asanuma, Aspen, Komamura (Horseman), Tapak (Elicar) and many more.   yes