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Celestron Telescopes Erect Image 1-1/4 " Diagonals are an Amici prism design. This design allows you to look into the your Celestron Telescope at a 45ø angle, at images that are oriented properly, meaning the image is upright and correct from left to right. Use of Celestron 's .96" to 1-1/4" 45ø Erect Image Diagonal on a telescope equipped with ...

Sales Price: $ 39.95