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ACHROMATIC NEGATIVE DOUBLET
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Item No: L1198
Price: $6.00
or 10 for $45.00
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| Coated, cemented, negative doublet achromat. 34.2mm diameter by 26.3mm thick. Focal length is -135mm. Tons of possibilities with this beauty. Add a positive element to make a triplet eyepiece, or combine with other lenses for your own eyepiece design. Use as a barlow lens?? Great for educational experiments. |
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