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Agena 2-Ring 50mm Finder Bracket with Vixen/Synta Style Dovetail Base # DFB50

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This is a new Agena quick-release dual-ring, six-point finder bracket for 50mm finders or guiders. This is the same bracket that is included with the Agena 50mm Deluxe Straight-Through Finder / Guide Scope, but we are now offering this separately due to popular demand.

Each ring includes three-point nylon-tipped screw adjustment for precisely aligning your finderscope or guidescope. All-metal construction with an anodized black matte finish.

The rings are attached to a 1.23" (31mm) wide by 3.5" (89mm) long dovetail mounting bar which fits into Vixen/Synta-style dovetail finder bases (not included) found on many telescopes. The dovetail bar also includes three threaded through-sockets for other attachment options (one 1/4"-20 threaded hole in the middle and two M8 threaded holes, one on either side). For example, it can be mounted on one of the pre-drilled holes on the tube rings of many refractor and Newtonian reflector optical tubes, or on the rear of most Schmidt-Cassegrain telescopes using a suitable optional dovetail base.

Note that this is a "low-profile" bracket since the rings are attached directly to the dovetail rail without the use of an intermediate stalk. This minimizes flexure in guiding applications but may not be as comfortable to use as an optical finder bracket due to its low height.


  • Inside diameter of rings: 69mm / 2.72"
  • Suitable for finder tubes between: 39mm / 1.54" to 61mm / 2.40" in diameter
  • Width of each ring: 14mm / 0.55"
  • Inside distance between rings: 59mm / 2.32"
  • Outside distance between rings: 88mm / 3.46"
  • Total height (excluding screws): 92mm / 3.62"
  • Weight: 5.4oz / 153g


Note: Occasionally, the product you receive might have a slightly different cosmetic appearance or labeling than what is shown. This can often change from batch to batch according to the whims of the manufacturer. However, you will always receive a brand new, original product as described above.

Description copyright: Agena AstroProducts - Reproduction without permission prohibited.

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