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  1. HU: Nokton 50mm/1.5 at KEH
  2. What is an "infinity lock"?
  3. Focal length, aperature, distance from film plane!
  4. how special of leica glass?
  5. Sean Reid's Comparison of 75mm lenses
  6. This Asian website might be of interest to lens aficionados
  7. Is this a coated lens?
  8. Stiff focusing Ring
  9. Xenon, Leitz and Schneider
  10. I'm in a lens quandary and need a push.
  11. To tab or not to tab, that is the question
  12. 135mm RF lenses - used a lot?
  13. Getting around myopia...
  14. Lens compatibility: ZF to ZK
  15. 35mm lenses are cool
  16. New camera No lens
  17. filter adapters and flare
  18. ???price for 50 cron DR???
  19. Care to outbid me?
  20. Image size calculation
  21. Zeiss TF or FT coated lens...
  22. lenses finder film size conversion table...
  23. LTM lens test of 50mm lenses w/ MAX 800
  24. Scrolling framelines, too hard to create?
  25. moving from 50 to 35mm as fav
  26. 75mm too long for every day use?
  27. ZM 28mm vs. Elmarit 28mm. Am I crazy?
  28. this feeling...
  29. Ektar vs Planar T*
  30. CV 25mm Color Skopar vs Zeiss ZF 25mm, anyone??
  31. Favorite Fast Screwmount Lens <$1000
  32. Forget about rendition...
  33. 35mm: Summicron-M vs. Nokton 1.4?
  34. 35mm Hexanon or Summicron?
  35. Canon RF 50/f1.2 disassembly thread?
  36. Robot-Leica adapter?
  37. 28mm competition: VC 1.9 vs Hexanon
  38. So show me a REALLY DISTINCTIVE 28mm M/LTM
  39. ANGENIEUX - Why so expensive?
  40. question for the optics / lens gurus
  41. Haze... What is it?
  42. Looking for mates to Summar 50/2
  43. Why coating on the front element?
  44. Future of the 50 lens
  45. What is the good Humidity (RH%) for RF camera, and Lens.
  46. Fast 35: canon 1.5 or Nokton 1.4?
  47. Zx
  48. Do you like to use the 21mm focal length?
  49. Lens gurus: is this bulls**t?
  50. Ring lens m42/m39
  51. Built my first hybrid lens!
  52. lens barrel won't focus to infinity mark
  53. Conversion A 2x filter
  54. Will this affect image quality?
  55. Focal Length Comparison Tool
  56. NY Times article about old lenses on digital cameras
  57. Leica grabs bragging rights with `fastest' lens
  58. is f2 fast enough?
  59. is it possible to fix this mess?
  60. 40 mm lens okay for portraits?
  61. Focal Length Distance Equivalency?
  62. slr lenses (nikon 50mm 1.2 for eg) on m mount camera???
  63. still trying to get my nikon lenses on my r-d1
  64. Help with lens evaluation please.
  65. CV 35mm f1.7 Ultron VS Zeiss 35mm f2 ZM
  66. Is there a Perfect Lens for RF?
  67. Summicrons F-value?
  68. Tony Lovell's Homemade 914mm f3.2 lens
  69. Rub marks, but will not affect images !
  70. Why no 28/1.4's?
  71. Yeah, but will it fit on my Leica?
  72. A question about stars
  73. A 1969 test of four fast lenses, including Nikkor and Noctilux
  74. Low contrast lenses and high contrast film?
  75. Low Contrast Lenses:
  76. Saving a lens
  77. What is a 28mm lens good for?
  78. An excellent, small but slow 50 lens?
  79. Laser accessory range/distance finder
  80. Best every day lens
  81. It's just a scratch...
  82. Canon Lens Production video
  83. 12mm Helier - loose/rattling
  84. Would this affect image quality? (rear element chip)
  85. Determining Focal Length
  86. Best old classics or new one little like old?
  87. How to spend $1000 on glass
  88. Value of Summilux - M 1:1.4 / 50mm Asph LHSA Special Edition
  89. Worst ever seen Lens.
  90. UN-coated LTM 50s?
  91. Which 90mm - purchasing artistic ability...
  92. Tomorrow's Miracle Lens Today! (Zunow f/1.1, circa 1958)
  93. The golden ratio and angle of views on lens
  94. A question for Zeiss lovers
  95. Are those expensive UV filters worth it?
  96. Best filters for a particular situation?
  97. Why so few fast ultra-wides/teles?
  98. filters; yes, or no?
  99. What is that diagonal formula ?
  100. Leica glow AND nice bokeh AND micro-contrast 3D. Is it a unicorn?
  101. Faster wides in LTM
  102. What Filters?
  103. Tilt-shift on rangefinders, or alternatives
  104. Voigtlander 35 f/1.2 or Pre ASPH Leica 35 f/1.4
  105. couple of very old photos from Japan
  106. resilvering Accura brightline finder
  107. Best 'portrait' 50mm lens
  108. In 2009 I want a . . . .
  109. collimative question
  110. Shutter release built into the lens?
  111. easiest lens hack ever: LTM Wollensak!
  112. List of Sonnar Lenses
  113. Jupiter 1.5
  114. viewfinder images of different cameras
  115. Image Quality: Print v. Scan?
  116. UV Filter: Can It Be A Cheapo One ?
  117. More 'versus' : 50 Nokton, DR Summicron
  118. Zuiko 42/1.7 from SP adapted to M?
  119. What is the difference, really, between f/1.2 and f/1.4 ?
  120. I'm trying to understand Color
  121. Hyperfocal Focusing: Do's and don'ts?
  122. Cleaning lenses - breath
  123. Brutally sharp in a budget?
  124. looking through a lens element
  125. Treatment for fungus?
  126. ND filters
  127. heresy: using a lens pen on a scratched lens?
  128. Filter for CV 40/1.4 SC and Leica M6
  129. Is this a Lens Defect at the rear?
  130. Could you please Identify lens?
  131. 28mm viewfinders
  132. Next generation mirrors and the implication of new wide angles
  133. which lens 45mm clamp-on size
  134. Sonnar Lens Design Appeal?
  135. Apperture ring wiggle - how normal?
  136. Who Still Uses a Fish-Eye Lens?
  137. What makes a lens's focal length?
  138. Infra-red filter
  139. 50mm lens
  140. Single element, uncoated, fixed aperture 50?
  141. Which 135mm on an M6?
  142. Testing four RF 50mm lenses
  143. Compare CV 50/1.5 and Canon 50/1.4?
  144. Bigger is not better: a rant about lens manufacturers
  145. Really odd bokeh on 24
  146. hyperfocal infinity mark
  147. How do you feel about 24mm (84º diagonal)?
  148. UV/IR filter and classic b&w ?
  149. Voigtlander 1.5/50 Nokton vs. Jupiter 3
  150. Leica diopter
  151. How should I test a lens?
  152. SLR Lenses and RF Lenses: Differences?
  153. Eye-borg - Next Level In Camera Tech
  154. question re. megaperls mag for rd1
  155. Lenses that were modified to be LTM
  156. Canon 50mm f1.4 (Not sure if posting in right forum)
  157. Zeiss Contax 45/2 Planar vs. Pentax 43/1.9 Limited
  158. Unusual lens mount - what might it fit?
  159. One for Brian Sweeney!
  160. 35mm Ultron
  161. Converting S mount to LTM
  162. 60mm lens?
  163. The Ground Glass & The Focusing Screen
  164. J-12 for street photography
  165. Looking for CV 12 or 15mm lense in NJ/NY
  166. Sharpest 135mm
  167. 50/f2.0 Heliar compared to 50/f1.5 Nokton
  168. hand holding polarizer
  169. A small, light and fast 85mm
  170. Is it easy to adjust the apeture ring on a summicron?
  171. What are the symtoms of a lens that is out of alignment?
  172. Does 50/1.4 DOF = 100/2.8 DOF?
  173. What are the (subtle) difference?
  174. Hasselblad Planar vs. Rolleiflex Planar
  175. flash , polaroid back,digital camera
  176. Triplet VS. Tessar on a 2 1/4 folder (??)
  177. Small nick in lens
  178. How do you clean your lens and filter?
  179. wipe marks; what is the effect?
  180. Favorite Focal Length For Landscapes
  181. Diffraction and f stops
  182. uncoated lens best for Infra Red!!
  183. Smallest, lightest Leitz 50mm?
  184. Multi-coat UV/protective filters, Multi-part question
  185. Slow Zuiko lens 1.8
  186. Strange softness with a Russian lens.
  187. Petzval, Hemispherique Rapide, etc?
  188. using filters for bw ?
  189. is it ok to use uv-ir cut filter with 50mm?
  190. The f-stop mystique - a question for optical engineers or the tech-savvy
  191. which focal length for nice portraits
  192. where can i get the new wide heliar 15mm?
  193. Hexar AF lens remounted for M-mount
  194. M-Rokkors vs Zeiss ZMs
  195. a quarter of a stop faster.... difficult or gimmick?
  196. Is a 40mm lens the sweet spot?
  197. Optomet Filters
  198. Enlarging Lenses on a RF...
  199. Lens flare in the new Star Trek movie
  200. another crazy idea
  201. 40/2.8 Rollei Sonnar vs. 35/1.4 Nokton SC
  202. confused: UV filter vs skylight filter?
  203. f-stop question
  204. lightmeter doesn't recognize contrast filter!
  205. why UV filter?
  206. Elmarit 21mm, what is this, issue?
  207. leica 35mm Summicron ASPH black-out
  208. Wide angle lens better on Rf or SLR?
  209. my new Nikkor 35/1.8 threadmount
  210. Opposite of close-up filter?
  211. Using Filters on un-coated lenses - asking for MORE flare ?
  212. Anyone know what a Leitz New York "H" filter is?
  213. Weird Summaron Field Curvature?
  214. How do you envision depth of field with a RF camera?
  215. Sometimes I wonder...
  216. Amazing Bokeh and Resolution from a Helios 103!
  217. Red Dot Glue
  218. Lens from Minolta TC1
  219. Understanding RF magnification
  220. How to figure out your lens focal length using Cheeto's
  221. Glow vs. 3D
  222. Lens Generations, Imitation and Originality
  223. If you're looking for some serious Asian old lens aficionados and images
  224. COOKE AMOTAL ANASTIGMAT 2,5" F", filter size?
  225. Different formats and DOF
  226. Some pages from old old magazines
  227. Which bodies DON'T take collapsible lenses?
  228. Why there isn't an F/1 Sonnar?
  229. Why is contrast good in a lens?
  230. leica mount macro lenses
  231. 50mm AA
  232. Kobalux and VC both 28mm, f3,5 any experiences?
  233. Filters for vintage look
  234. Lenses Vs. Fongus!!! is it possible to be clean
  235. CV, ZM & Canon 50/1.5s
  236. Does the brand of UV filter matter?
  237. Anyone used 7dayshop.com filters?
  238. super wides: 15mm and 18mm M mount lens
  239. Infra red focusing with Apochromatic lenses
  240. Generic ebay cokin filters?
  241. A Ken Rockwell lens and focusing quote
  242. Filter for non-coated lens
  243. Recycling optical elements, lens design 101
  244. convert M mount to LTM?
  245. Question about aperture and depth of field
  246. Shooting in 50mm
  247. Jupiter 37a CLA (135mm)
  248. Kodak Series "N" filters -- what are they good for?
  249. Spiratone Portragon 100mm f/4
  250. Recommend a cheap 35mm & 90mm in M or LTM mount