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Conversion of a 400 mm f5.6 old camera lens into a 70 mm f5.6 telescope - ATM, Optics and DIY Forum - Cloudy Nights
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Vivitar 500mm f/8.0 Preset Telephoto Zoom Lens for Canon EF-M Mount Camera with 2x Converter - Walmart.com
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Nikon Lens Scope Converter for Nikon G! Lens to spotting scope! - page 4 - Articles - Nature photographer Janne Heimonen
![Panagiotis Xipteras on Twitter: "How to convert your lens to a spotting # scope. Image:#Samyang 800mm #catadioptric #lens on #lens2scope converter #StargazingABC #stargazing https://t.co/yZVk3Pmzyx" / Twitter Panagiotis Xipteras on Twitter: "How to convert your lens to a spotting # scope. Image:#Samyang 800mm #catadioptric #lens on #lens2scope converter #StargazingABC #stargazing https://t.co/yZVk3Pmzyx" / Twitter](https://pbs.twimg.com/media/C-FUbdPXoAEcbB6.jpg:large)
Panagiotis Xipteras on Twitter: "How to convert your lens to a spotting # scope. Image:#Samyang 800mm #catadioptric #lens on #lens2scope converter #StargazingABC #stargazing https://t.co/yZVk3Pmzyx" / Twitter
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