Our telescope company needs a lens sample of the following specification.- Lens type: Achromatic Doublet- Diameter: 100mm- Focal length: 800mm (eq. to 1.25 dioptres)- Coating: Anti-Reflection- Materials: N-BK7 & ZF2 (Or any other industry standard material will be fine too)- Further shipments will be ordered i Show More...
Our telescope company needs a lens sample of the following specification.- Lens type: Achromatic Doublet- Diameter: 100mm- Focal length: 800mm (eq. to 1.25 dioptres)- Coating: Anti-Reflection- Materials: N-BK7 & ZF2 (Or any other industry standard material will be fine too)- Further shipments will be ordered if the sample meets our requirements.Note: This is not a request for a free simple. Our company will pay for the sample+shipping charges in advance. Only serious sellers looking to engage in a long term partnership, please