Orion Shorty 2x Barlow Lens, 1.25" @ richardeward.com
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Orion Shorty 2x Barlow Lens, 1.25"
from ORION
Features:
- Doubles the power of any eyepiece
- This barlow lens is compact - just 3 inches long (about half the length of a standard barlow lens)
- 2x amplifier lens doublet is multi-coated for excellent light transmission
- Housing is internally baffled to eliminate unwanted reflections and increase contrast
Customer Reviews:
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Avg. Customer Rating: 3.5 / 5.0 
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Good for most uses 
This will be a good product for most applications, and is very convenient for lighter scopes. Works just fine in my Meade ETX-90. But shows its weakness, as all less expensive eyepieces do, in a very high quality refractor (Stellarvue SV80S). Consider the short Antares 3X Barlow, or the more expensive Orion 2X, if you have a scope with very hiqh quality optics, or might upgrade to it.
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Helps, but not as much as I thought 
This lens is supposed to double the magnification of any given eyepiece it is used with. I suppose it does, but to me the difference wasn't that obvious. Probably depends a lot on the aperture of your telescope (mine is 114 mm), since magnification can only do so much with limited light. However, the quality of the materials/lens itself seems adequate, and you can't beat the Orion company's customer service.
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You get what you pay for. 
Performs as expected... mediocre. Not the best choice for a dobsonian, where lens length is typically not an issue.
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A must have for any amatuer astronomer! 
I picked up this Barlow lens after reading that Barlow lenses were must haves for any telescope kit because they basically double (in theory) the amount of eyepieces you have. For anyone who doesn't know how they work, you simply slide the Barlow lens into your eyepiece slot like a normal eyepiece, and then your normal eyepiece will slide into the Barlow. So in essence, if you have 2 eyepieces, with the Barlow lens you now have 4. The magnification boost that the Shorty gave to my .10mm and .17mm eyepieces... more info
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