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No new posts Announcement: Synthrays: lens design simulation TOP!
No new posts Sticky: Voigtlnder SL APO Lanthar serial numbers production volumes
No new posts Sticky: Achromatic Diopters for Macro
No new posts Sticky: List of lens diagrams: triplets, planars & hybrid lenses
No new posts Sticky: WolverineX "testing my lenses" series link list
No new posts Sticky: Novoflex NOFLEXAR 3.5 / 35mm brochure (en)
No new posts Sticky: Adapting a Photosniper to a Canon EOS, by Thierry Hacquard
No new posts Sticky: How to determine the length of a needed helicoid
No new posts Sticky: Lens database
No new posts Sticky: Digital square Open thread
No new posts Sticky: Nikon 50mm f1.4 : which one ?
No new posts Sticky: List of camera shops (old, collectible etc.)
No new posts Sticky: Old Lenses Documentation (Serial Numbers, Dates, et c.)
No new posts Sticky: Maximum image dimensions: 1024 pixels wide.
No new posts Sticky: MF Lenses with easily adjustable infinity for NIKON-ians
No new posts Sticky: Lens reviews
No new posts Sticky: Bausch & Lomb Date Code (serial number scheme)
No new posts Topcor RE lens diagrams?
No new posts Enna Munchen Tele Ennalyt 90 mm f/ 2.8 Lens
No new posts Carl Zeiss Jena lenses Issue date by serial number
No new posts 650mm Century Tele Athenar II
No new posts KOMURA Lenses brochure
No new posts KINOPTIK lens lists
No new posts Nikkor-S.C 1:1.4 f=5 cm
No new posts Angenieux Lenses Brochure for 35mm Cameras
No new posts Rarity search help [Open thread]