Optec Astro-Physics 2.7x24tpi Extension Tubes

ITEM #
OP-19883

Spacer Lengths:

  • 0.5-inch
  • 0.75-inch
  • 1-inch
  • 1.5-inch
  • 3-inch
  • 4-Piece Set: 1 each of the 0.5-inch, 0.75-inch, 1-inch, and 1.5-inches
  • 5-Piece Set: 1 each of the 0.5-inch, 0.75-inch, 1-inch, 1.5-inches, and 3-inches 

 

  • Sale
  • Regular price $30.00

More on the Way* We do not currently have this in stock, but is a common item we carry. More are likely on the way as the manufacturer allows.
Add to Wishlist
Already have gear? Trade it in for cash or new equipment.

Accessories Added

OPT Telescope Expert

Want Help?

Ask Our Telescope Experts

1.800.483.6287

Optec Astro-Physics 2.7x24tpi Extension Tubes

These Optec extension tubes are made to fit an Astro-Physics 2.7-inch connection; these spacers will add either 0.5-inch, 0.75-inch, 1-inch, 1.5-inch, or 3-inch to your path length. 

Each spacer has a clear aperture of 2.52-inches (64 mm) and threads on with 24tpi.

 

These two sets are listed on the size tab:

- - The 4-Piece set includes 1 each of the 0.5-inch, 0.75-inch, 1-inch, and 1.5-inch spacer lengths.

- - The 5-Piece set includes 1 each of the 0.5-inch, 0.75-inch, 1-inch, 1.5-inch, and 3-inch spacer lengths. 

 

SPECIFICATIONS

Back Focus12.7mm
Back Focus19.1mm
Back Focus38.1mm
Back Focus76.2mm
Camera Side ConnectionMale 2.7x24tpi
Telescope Side ConnectionFemale 2.7x24tpi