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Eyepieces & Barlows
What is an eyepiece: A telescope collects the light of faint and/or distant objects and forms a fixed-size image of those objects at the telescope’s prime focus. An eyepiece is simply a small microscope that enlarges a portion of that image so you can see more detail.
The importance of good eyepieces: Every photon of light collected by a telescope passes through an eyepiece before it reaches your eye. That light is therefore afflicted by every optical problem in that eyepiece – and the cheaper the eyepiece, the more problems it is likely to have. A $10 eyepiece will make a $2000 telescope perform like a $10 toy. If your telescope’s eyepieces are the simple two-element designs labeled H (Huygenian), R (Ramsden), or SR (symmetrical Ramsden), they are basically toy eyepieces and should be replaced.
Eyepieces are half of your scope’s optical system, and usually the most complex half. They should be at least the same quality as your scope (preferably better). A good telescope won’t improve a poor eyepiece – but a good eyepiece will get the most out of a so-so scope.
What eyepiece should I get first: When buying your first eyepieces, resist the urge to immediately buy the highest powers possible. Very high powers require experienced observers and excellent seeing conditions (dark, clear, steady skies) to get the most from them. Medium power eyepieces, on the other hand, give good images over a much wider range of seeing conditions.
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Original price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| /
Questar 32mm Brandon Eyepiece
QuestarMore on the wayThis is an excellent low power eyepiece for capturing galaxy pairs and compact galaxy clusters, viewing emission and reflection nebulas and smaller...
View full detailsOriginal price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| / -
Original price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| /
Questar 8mm Brandon Eyepiece
QuestarMore on the wayThis is an excellent high power eyepiece for observing lunar and planetary detail, resolving globular clusters, picking up small planetary nebulas ...
View full detailsOriginal price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| / -
Original price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| /
Questar 24mm Brandon Eyepiece
QuestarMore on the wayThis is an excellent medium to low power eyepiece (53x and 80x in the 3.5" Questar) for lunar observing, resolving globular clusters, viewing the m...
View full detailsOriginal price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| / -
Original price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| /
Questar 16mm Brandon Eyepiece
QuestarMore on the wayThis is an excellent medium power eyepiece for lunar observing, resolving globular clusters, picking up details in the more compact emission and re...
View full detailsOriginal price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| / -
Original price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| /
Questar 12mm Brandon Eyepiece
QuestarMore on the wayThis is an excellent medium high to high power eyepiece (108x and 162x in the 3.5" Questar) for observing lunar and planetary detail, resolving glo...
View full detailsOriginal price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| / -
Original price $550.00 - Original price $550.00Original price$550.00$550.00 - $550.00Current price $550.00| /
Questar 16mm Cordless Reticle, for Use In Questar Starguide Only
QuestarMore on the wayThis Questar #19151 16mm illuminated crosshair reticle eyepiece has a self-contained battery-powered variable intensity LED for guided long-exposur...
View full detailsOriginal price $550.00 - Original price $550.00Original price$550.00$550.00 - $550.00Current price $550.00| / -
Original price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| /
Questar 6mm Brandon Eyepiece
QuestarMore on the wayThis is an excellent very high power eyepiece (best used with the 7" Questars) for observing lunar and planetary detail, resolving globular cluster...
View full detailsOriginal price $300.00 - Original price $300.00Original price$300.00$300.00 - $300.00Current price $300.00| /