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EDUCATIONAL DCV 38MM X -200MM
L1954D $1.25 or 10 for $9.00
EDUCATIONAL DCV 38MM X -250MM
L1955D $1.25 or 10 for $9.00
EDUCATIONAL DCV 38MM X -300MM
L1956D $1.25 or 10 for $9.00
EDUCATIONAL DCV 38MM X -500MM
L1957D $1.25 or 10 for $9.00
EDUCATIONAL DCV 38MM X -1000MM
L1958D $1.25 or 10 for $9.00
EDUCATIONAL DCV 50MM X -50MM
Part of our educational optics series. Double concave,
spherical glass lens, with a focal length of approx. -
50mm. Made of glass with polished face and ground
edges. Refractive index is approx. 1.52. Unused and
individually boxed. Perfect for educational projects,
but focal length is not in close tolerance from lens to
lens, so not good for use in a product you are going to
manufacture where the focal length needs to be exactly the same.
L1961D $2.00 or 10 for $16.00
EDUCATIONAL DCV 50MM X -75MM
Part of our educational optics series. Double concave, spherical glass lens,
with a focal length of approx. -75mm. Made of glass with polished face and
ground edges. Refractive index is approx. 1.52. Unused and individually
boxed. Perfect for educational projects, but focal length is not in close tol-
erance from lens to lens, so not good for use in a product you are going to
manufacture where the focal length needs to be exactly the same.
L1962D $1.75 or 10 for $12.00
EDUCATIONAL DCV 50MM X -150MM
L1963D $1.50 or 10 for $10.00
Educational Optics - Page 27
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