CAT series
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William Optics B&WCat 51 F4.9 Petzval telescoop Limited Edition
Aperture (mm): 51Focal length (mm): 250Speed ​​(f): 4.9Beschikbaar via nabestelling -
William Optics RedCat 61 WFID APO telescoop
Aperture (mm): 61Focal length (mm): 300Speed ​​(f): 4.9Delivery time: 1 to 3 business days -
William Optics RedCat 71 APO telescope
Aperture (mm): 71Focal length (mm): 350Speed ​​(f): 4.9Delivery time: 1 to 3 business days -
William Optics RedCat II 51 F4.9 Petzval telescope
Aperture (mm): 51Focal length (mm): 250Speed ​​(f): 4.9Delivery time: 1 to 3 business days