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This 12" Sliding Bar was designed with short instruments in mind. The middle portion of the plate is raised 0.5" above the front and back sections. As a result, the plate is long enough for optimal movement without causing interference with the dewcap or focuser.


Weight: 1.9 lbs. (.86 kg). The plate is ribbed on the opposite side to reduce weight.
Includes screw packet for various configurations.


For a detailed instruction sheet, click this link. (PDF file)



Attach directly to the bottom of mounting rings or with a spacer bar:


  • 130mm f6.3 StarFire “Gran Turismo”, 105mm Traveler, 130mm f6 StarFire (original version) - attach directly to Astro-Physics rings. With the Traveler, a spacer bar is preferred to allow more finger room on the focuser, but is not required.
  • 130mm f8 or f8.3 StarFires, 140mm f7 StarFire, and 155mmf7 StarFire or similar instruments – use with Losmandy blocks (LMAPBLOCKS) in the outer hole positions. This will space the rings approximately 10" apart. The LMAPBLOCKS rest completely on the sliding bar and do not extend off the side.
  • Instruments that have ¼-20 center holes in the mounting rings.
  • 90mm f5 Stowaway must be mounted by using the 5.5” sliding bar (SB0550) as a spacer to allow additional clearance for the dewcap.
  • Attach your TeleVue or Takahashi clamshells to our 7” (SB0800) or 10" (SB1000) sliding bars , which have the correct hole pattern for the clamshells and are used as spacers to raise the scope up a little higher. Use with 8.5" Dovetail for Losmandy D-Series Plate (DOVELM2) or other similar plates. The 12” Sliding Bar is too short to be used with our DOVELM16 and DOVELM16S .


Use as an accessory plate:


Use Losmandy AP Blocks (LMAPBLOCKS – purchased separately) to attach the 12” Sliding Bar to the top of the mounting rings (assuming that the surface is flat and has the Astro-Physics hole pattern - two 10-32 tapped holes with 3" spacing). Use with the following accessories:


  • Losmandy Dovetail Plate Adapter (LMDA). This will allow you to attach the following items: Piggyback Camera Bracket (PGBCBR) , Quick Release Finder Bracket for 8x50 finder (S850QRM), TeleVue Starbeam (STARFMD) or Qwik-Point Finder (QWIKMD), 60x700mm guidescope with 3.4" guidescope rings (previous product no longer available) and various other accessories.
  • Other adapters with a female D-style series dovetail channel.

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