A Comprehensive Guide to Camera Lens Design and Zeiss Nomenclature -
http://ilovehatephoto.com/2014/12/30/a-guide-to-optical-lens-design-and-zeiss-nomenclature/
http://ilovehatephoto.com/2014/12/30/a-guide-to-optical-lens-design-and-zeiss-nomenclature/
About Photography blog -
Tom Grill's blog
Article on rangefinder coupling -
http://www.dantestella.com/technical/compat.html
Cannon Fast Reviews -
Reviews, Guides and Repair tips
Ken Rockwell - US camera repairs -
http://www.kenrockwell.com/tech/repair.htm#gus
Leica naming convention -
http://www.stevehuffphoto.com/2009/12/17/funkyleicanames/
Lens Bubbles -
A very interesting blog by long time lens modder Yu-Lin Chan
Lens Test site -
Comprehensive list of lens tests
Manual lenses on the Sony a7 – A beginners guide -
http://phillipreeve.net/blog/manual-lenses-sony-a7/
http://phillipreeve.net/blog/manual-lenses-sony-a7/
Manuals library -
http://www.manualslib.com/
Markus Keinath - Photographic camera DIY repair and modification -
http://4photos.de/camera-diy/index-en.html
http://4photos.de/camera-diy/index-en.html
MF lens gallery -
http://www.mflenses.com/gallery/main.php
Mirrorlessons -
http://www.mirrorlessons.com/
Nikon Camera and Lens Compatibility Chart -
https://www.nikonians.org/reviews?alias=nikon-slr-camera-and-lens-compatibility
Nikon Lens Versions and Serial No.s -
http://www.photosynthesis.co.nz/nikon/serialno.html
Panoramio -
http://www.panoramio.com/
Pebbleplace blog -
http://www.pebbleplace.com/
Phillip Reeve's blog -
http://phillipreeve.net/blog/manual-lenses-sony-a7/
Photography Forums -
http://www.photography-forums.com/
Photography Review site -
http://www.photographyreview.com/
Sebimagery blog -
http://sebimagery.com/blog/
Steve Perry Video Channel -
https://www.youtube.com/channel/UChUi5Gm8w-S_d6dS31cFCnQ
https://www.youtube.com/channel/UChUi5Gm8w-S_d6dS31cFCnQ
Very Big Lobo blog -
http://www.verybiglobo.com/
Vintage Camera Lenses -
Site with good selection of lens reviews, a lot of them being good European lenses.
Wiki - Flange focal distances -
https://en.m.wikipedia.org/wiki/Flange_focal_distance