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Diamond Loupe L1
Achromatic & aplanatic.20 mm field of view / excellent depth of field.Choose only the original!

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Diamond Loupe L2
Achromatic & aplanatic.20 mm field of view / excellent depth of field.The professional magnifying glass for jewelers!Best loupe world wide.

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Diamond Loupe LS 10
Achromatic & aplanatic.18 mm field of view / excellent depth of field.The standard magnifying glass for jewelers.Often copied and never matched.

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Refractometer RF2
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Business Partner since 1972

In 1967 the first in-house stereo-microscopes were built.. From this followed in 1972 the cooperation with Carl Zeiss, Oberkochen, our partner for high-quality optical equipment. A precondition for this co-operation was our high standard of quality.