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GoldFocus System Selector

The GoldFocus Focusing System is available in two versions - GoldFocus Plus Collimation and GoldFocus High-Precision Focus without collimation.  Use the following information to help you decide which GoldFocus Focusing System is best for you.  The two most significant differences are:

  • GoldFocusPlus   supports collimation and precision focus.
  • GoldFocus   supports higher precision focus but not collimation.
GoldFocus Feature GoldFocus Plus
Collimation
GoldFocus
High-Precision
Focus Yes Yes
Collimation Yes No
Focus Precision (see notes) over 3x (see notes) over 10x (see notes)
Click Link for Details Details Details
Quantitative objective measurement Yes Yes
Scientific design Yes Yes
Fast and easy Yes Yes
Voice feedback Yes Yes
for All telescope types Yes Yes
for Astronomical CCD cameras Yes Yes
for Most DSLR cameras Yes Yes
for Visible light and imaging filters Yes Yes
Click Link for Information Information on GoldFocus Plus Collimation Information on GoldFocus High-Precision

GoldFocus Plus Collimation

GC88 GoldFocus Plus Collimation for Cassegrains: Precision focus and collimation for Cassegrains, Schmidt Cassegrains, Ritchey-Chrétiens, and any telescope types requiring real-time secondary mirror collimation adjustments.  This model of GoldFocus Mask has a hole for access to the secondary mirror adjustment screws with the mask in-place and the GoldFocus Analysis Software analyzing real-time collimation and focus.
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GN88 GoldFocus Plus Collimation for Newtonians: Precision focus and collimation for Newtonian reflectors and any telescope types not requiring real-time secondary mirror collimation adjustments.  This model of GoldFocus Mask matches the aperture of a Newtonian reflector with a secondary mirror obstruction but does not allow access to the secondary mirror adjustment screws with the mask in-place and the GoldFocus Analysis Software analyzing real-time collimation and focus.
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GR88 GoldFocus Plus Collimation for Refractors: Precision focus and collimation for refractors and any telescope types without a secondary mirror obstruction.  This model of GoldFocus Mask supports the full unobstructed aperture of a refractor or any telescope type with no secondary mirror obstruction.
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GoldFocus High-Precision Focus

G88 GoldFocus High-Precision Focus: High-precision focus without collimation for all telescope types.
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