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If you need a specific back focal length, you can use QHYCCD's All-In-One adapter kit to combine your own set of spacer rings to meet your particular requirements.

Kit Content

  • 5mm M54 to M48 Adapter*1
  • 3mm M54 to M42 Adapter*1
  • 2.5mm 2inch Filter Fixer (Original Name 020055) *1
  • 4mm M54 Screwed Adapter (Original name 020070)*1
  • Cam Top Adapter (original name 020063)*1
  • 0.5mm/1mm/2mm/3mm/7mm/10mm/14mm Spacer*1
  • 8mm M3 Screws*8
  • 10mm M3 Screws*8
  • 12mm M3 Screws*8
  • 14mm M3 Screws*8
  • 16mm M3 Screws*8
  • 21mm M3 Screws*8
  • 24mm M3 Screws*8
  • 28mm M3 Screws*8
  • 36mm M3 Screws*8
  • 50mm M3 Screws*6


  • All Cooled CMOS Cameras
  • CFWL
  • OAG-M