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68 Karma
Review on π Science Education: Ajax Scientific Concave Mirror - Enhance Learning with Larger Diameter by Dang Esq
Makes this mirror almost unusable for real scientific purposes
The mirror is severely astigmatic. The focal length differs in two axes by 5-6mm! Makes this mirror almost useless for real scientific purposes. It can be used for simple demos that don't require sharp focus. Forget about having to do anything with a knife blade or spatial filter. as i need. You get what you apparently pay for.
Pros
- Package length: 13.208 cm
Cons
- Not sure
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