...down. There is no up-down in space. You can buy a erect prism adapter for terrestrial use A prism can not be used for astronomy since it reduces contrast but fine for daytime (nature watching) ...
...prism diagonal" to use for terrestrial viewing. Like this one: ...
...Normally an astronomical telescope shows an upside down image--- no up or down in space. The erecting prism is only used for terrestrial viewing as the prisms inside are probably NOT
...down. How do I invert? All astronomical telescopes show the image upside down. For terrestrial use buy an erect image prism eyepiece. Not recommended for astronomy since a prism will reduce
...All astronomical telescope show upside down images. It's normal, nothing is wrong with your scope. You can buy an "erecting prism" diagonal for terrestrial viewing. See my TIPS on my profile
...prism diagonal for terrestrial viewing like this one: ...
...terrestrial" viewing, you can fit in an "erecting" or "correct-image" prism http://www.optcorp.com/open-box-orion-45-correct-image-prism-diagonal-1-25inch-07216-7037.html There are many brands, some ...
Question about Celestron Optics
...terrestrial viewing, such as thru someone's window, you can buy an "erect image" or "correct image" prism which gives an upright image. ...
terrestrial viewing you can buy an "erecting prism" like this one: http://www.amazon.com/Tele-Vue-45%C2%B0-Erecting-Prism/dp/B0001GJCM0/ref=sr_1_6/185-6715817-1967123?ie=UTF8&s=electronics&qid
...terrestrial viewing (klijke a spotting scope) you will need to buy the correct size erecting prism diagonal similar to this one: ...
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