Shelyak Backfocus for LHIRES III and LISA Spectroscope

BACKFOCUS 17 MM

• Thread: M42x0.75
• Length: 31.9 mm

• Adapter to mount a CCD acquisition camera with backfocus between 15.45 and 19.45 mm on a Lhires III spectroscope.
• Adapter to mount a CCD acquisition camera with backfocus between 12.45 and 22.45 mm on a LISA spectroscope.

BACKFOCUS 23MM

• Thread: M42x0.75
• Length: 26 mm

• Adapter to mount a CCD acquisition camera with backfocus between 21.35 and 25.35 mm on a Lhires III spectroscope.
• Adapter to mount a CCD acquisition camera with backfocus between 18.35 and 28.35 mm on a LISA spectroscope.

BACKFOCUS 25 MM

• Thread: M42x0.75
• Length: 24 mm

• Adapter to mount a CCD acquisition camera with backfocus between 23.35 and 27.35 mm on a Lhires III spectroscope.
• Adapter to mount a CCD acquisition camera with backfocus between 20.35 and 30.35 mm on a LISA spectroscope.

BACKFOCUS 34 MM

• Thread: M42x0.75
• Length: 14.5 mm

• Adapter to mount a CCD acquisition camera with backfocus between 32.85 and 36.85 mm on a Lhires III spectroscope.

• Adapter to mount a CCD acquisition camera with backfocus between 29.85 and 39.85 mm on a LISA spectroscope.

ATIK CCD

• Thread: M42x0.75
• Length: 38.2 mm

• Adapter to mount a CCD acquisition camera with backfocus between 9.15 and 13.15 mm on a Lhires III spectroscope.
• Adapter to mount a CCD acquisition camera with backfocus between 6.15 and 16.15 mm on a LISA spectroscope.

  Shipped with Lhires III spectroscope.

Shelyak selected backfocus size for LHIRES III and LISA Spectrometer :

• Backfocus 17 MM
  
• Backfocus 23MM
  
• Backfocus 25 MM
  
• Backfocus 34 MM
  
• ATIK CCD
  

Shelyak 1-Year Warranty