Meade 933 45 Degree Erecting Prism
by Meade
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Customers in the UK,
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for British Pounds
Digital Photo Product Details
Manufacturer: MeadeModel: 933
Product features:
- 45-degree prism
- For correct viewing orientation
- For terrestrial observing
- Threads to the rear cell
- Accepts any Meade eyepiece
Digital Cameras Photo Reviews of Meade 933 45 Degree Erecting Prism
Customer Review: Good for spotting use- but not for astronomy.
Summary: 4 Stars
Erecting prisms like this Meade unit are a great help for terrestrial use, but don't try to use it for astronomical viewing. The multiple reflecting surfaces in the prism result in multiple ghost images when trying to view stars and other dim astronomical objects. If you buy a Meade ETX with the idea of using it for nature viewing you'll find it handy.
Description of Meade 933 45 Degree Erecting Prism
#933 45? Erecting Prism: Typical of most astronomical telescopes, images throughthe ETX-60AT and ETX-70AT appear right-side-up but reversed left-for-right. For astronomical viewing this orientation is of no consequence. However, for terrestrial observing, where a fully correctly oriented image is desirable, the #933 45? Erecting Prism threads on to the telescope's rear cell and accepts an eyepiece of any focal length.The Meade 933 45-degree erecting prism aids terrestrial observing where a correctly oriented image is desirable. It threads onto the telescope's rear cell and accepts an eyepiece of any focal length.
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