{
 "object": "lens-filter-threads",
 "license": "CC BY 4.0, Xem Studio",
 "files": [
  {
   "name": "filter-thread-m40-5x0-5-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m40-5x0-5-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m40-5x0-5-male-ring.stl",
   "note": "M40.5 × 0.5 filter external thread ring section: ISO 68-1 basic profile, major Ø40.5, pitch Ø40.175, minor Ø39.959, pitch 0.5; 4 long (8 turns), bore Ø35.959 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m40-5x0-5-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m40-5x0-5-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m40-5x0-5-female-ring.stl",
   "note": "M40.5 × 0.5 filter internal thread ring section: ISO 68-1 basic profile, minor Ø39.959, pitch Ø40.175, major Ø40.5, pitch 0.5; 4 long (8 turns), outside Ø44.5 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m43x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m43x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m43x0-75-male-ring.stl",
   "note": "M43 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø43, pitch Ø42.513, minor Ø42.188, pitch 0.75; 6 long (8 turns), bore Ø38.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m43x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m43x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m43x0-75-female-ring.stl",
   "note": "M43 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø42.188, pitch Ø42.513, major Ø43, pitch 0.75; 6 long (8 turns), outside Ø47 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m46x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m46x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m46x0-75-male-ring.stl",
   "note": "M46 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø46, pitch Ø45.513, minor Ø45.188, pitch 0.75; 6 long (8 turns), bore Ø41.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m46x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m46x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m46x0-75-female-ring.stl",
   "note": "M46 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø45.188, pitch Ø45.513, major Ø46, pitch 0.75; 6 long (8 turns), outside Ø50 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m49x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m49x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m49x0-75-male-ring.stl",
   "note": "M49 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø49, pitch Ø48.513, minor Ø48.188, pitch 0.75; 6 long (8 turns), bore Ø44.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m49x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m49x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m49x0-75-female-ring.stl",
   "note": "M49 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø48.188, pitch Ø48.513, major Ø49, pitch 0.75; 6 long (8 turns), outside Ø53 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m52x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m52x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m52x0-75-male-ring.stl",
   "note": "M52 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø52, pitch Ø51.513, minor Ø51.188, pitch 0.75; 6 long (8 turns), bore Ø47.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m52x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m52x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m52x0-75-female-ring.stl",
   "note": "M52 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø51.188, pitch Ø51.513, major Ø52, pitch 0.75; 6 long (8 turns), outside Ø56 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m55x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m55x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m55x0-75-male-ring.stl",
   "note": "M55 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø55, pitch Ø54.513, minor Ø54.188, pitch 0.75; 6 long (8 turns), bore Ø50.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m55x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m55x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m55x0-75-female-ring.stl",
   "note": "M55 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø54.188, pitch Ø54.513, major Ø55, pitch 0.75; 6 long (8 turns), outside Ø59 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m58x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m58x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m58x0-75-male-ring.stl",
   "note": "M58 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø58, pitch Ø57.513, minor Ø57.188, pitch 0.75; 6 long (8 turns), bore Ø53.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m58x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m58x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m58x0-75-female-ring.stl",
   "note": "M58 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø57.188, pitch Ø57.513, major Ø58, pitch 0.75; 6 long (8 turns), outside Ø62 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m62x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m62x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m62x0-75-male-ring.stl",
   "note": "M62 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø62, pitch Ø61.513, minor Ø61.188, pitch 0.75; 6 long (8 turns), bore Ø57.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m62x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m62x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m62x0-75-female-ring.stl",
   "note": "M62 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø61.188, pitch Ø61.513, major Ø62, pitch 0.75; 6 long (8 turns), outside Ø66 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m67x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m67x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m67x0-75-male-ring.stl",
   "note": "M67 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø67, pitch Ø66.513, minor Ø66.188, pitch 0.75; 6 long (8 turns), bore Ø62.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m67x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m67x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m67x0-75-female-ring.stl",
   "note": "M67 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø66.188, pitch Ø66.513, major Ø67, pitch 0.75; 6 long (8 turns), outside Ø71 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m72x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m72x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m72x0-75-male-ring.stl",
   "note": "M72 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø72, pitch Ø71.513, minor Ø71.188, pitch 0.75; 6 long (8 turns), bore Ø67.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m72x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m72x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m72x0-75-female-ring.stl",
   "note": "M72 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø71.188, pitch Ø71.513, major Ø72, pitch 0.75; 6 long (8 turns), outside Ø76 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m77x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m77x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m77x0-75-male-ring.stl",
   "note": "M77 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø77, pitch Ø76.513, minor Ø76.188, pitch 0.75; 6 long (8 turns), bore Ø72.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m77x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m77x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m77x0-75-female-ring.stl",
   "note": "M77 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø76.188, pitch Ø76.513, major Ø77, pitch 0.75; 6 long (8 turns), outside Ø81 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m82x0-75-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m82x0-75-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m82x0-75-male-ring.stl",
   "note": "M82 × 0.75 filter external thread ring section: ISO 68-1 basic profile, major Ø82, pitch Ø81.513, minor Ø81.188, pitch 0.75; 6 long (8 turns), bore Ø77.188 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m82x0-75-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m82x0-75-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m82x0-75-female-ring.stl",
   "note": "M82 × 0.75 filter internal thread ring section: ISO 68-1 basic profile, minor Ø81.188, pitch Ø81.513, major Ø82, pitch 0.75; 6 long (8 turns), outside Ø86 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m86x1-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m86x1-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m86x1-male-ring.stl",
   "note": "M86 × 1 filter external thread ring section: ISO 68-1 basic profile, major Ø86, pitch Ø85.350, minor Ø84.917, pitch 1; 8 long (8 turns), bore Ø80.917 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m86x1-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m86x1-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m86x1-female-ring.stl",
   "note": "M86 × 1 filter internal thread ring section: ISO 68-1 basic profile, minor Ø84.917, pitch Ø85.350, major Ø86, pitch 1; 8 long (8 turns), outside Ø90 (design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m95x1-male-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m95x1-male-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m95x1-male-ring.stl",
   "note": "M95 × 1 filter external thread ring section: ISO 68-1 basic profile, major Ø95, pitch Ø94.350, minor Ø93.917, pitch 1; 8 long (8 turns), bore Ø89.917 (wall is a design choice); exact nominal, no tolerance"
  },
  {
   "name": "filter-thread-m95x1-female-ring",
   "step": "/files/hardware/lens-filter-threads/filter-thread-m95x1-female-ring.step",
   "stl": "/files/hardware/lens-filter-threads/filter-thread-m95x1-female-ring.stl",
   "note": "M95 × 1 filter internal thread ring section: ISO 68-1 basic profile, minor Ø93.917, pitch Ø94.350, major Ø95, pitch 1; 8 long (8 turns), outside Ø99 (design choice); exact nominal, no tolerance"
  }
 ]
}