This product belongs to Celestron's after-sales accessories and is only for after-sales use. No packaging or logo. If you mind, please do not purchase   
1X Telescope  90 degree Erecting prism 1.25 inch 31.7mm   
Celestron  telescope accessories 90 degree Erecting prism 1.25 inch 31.7mm suit for Astronomical telestron eyepiece,it made from Celestron factory,but no celestron logo.
### Celestron 90-Degree Erect Image Prism, 1.25 Inch/31.7mm, Accessory for Astronomical Telescope Celestron 1.25-inch 90-degree erect image prism, suitable for telescopes with a 1.25" (31.7mm) interface. For some astronomical telescopes, if an erect image prism is not used, the image seen will be inverted or reversed left and right. However, celestial bodies have no concept of up and down, so an inverted image does not affect astronomical observation and research. - **Brand**: Celestron - **Model**: Celestron 90-Degree Full Erect Image Prism - **Size**: Standard 1.25 inches/31.7mm, a universal accessory for astronomical telescopes - **Coating**: Optical lens, fully coated, high-definition - **Application**: Suitable for both terrestrial and astronomical use. It can be used to observe landscapes, as well as celestial bodies such as the lunar surface, planets, nebulae, star clusters, and diffuse nebulae in astronomical observations. It features high brightness, a wide field of view, and very comfortable observation. The entire surface is multi-coated, ensuring excellent optical performance. - **Packaging**: Plastic bag packaging, 2 dust covers, and 1 zenith mirror