Plastic Lens Pair 4 inch focal length
$1.85
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Plastic Lens Pairs for card viewing Perfect for homemade stereo viewers and greeting cards. These are plastic lenses paired for placing in homemade cardboard (or otherwise) viewers for viewing stereo cards of 4 to 5 inches of total width. We offer three varieties depending on focal length.
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$1.65
$1.85
(+$0.20)