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    2019-1-21 · I've tried it with a 50mm focal length lens and it works good. The issue I have now is my film is around 60mm. If I wanted to use a plano convex lens, 50mm focal length, what's the smallest diameter it could be so it projects all my film? At the moment I've tried a 50mm diameter lens on a 30mm slide and that has failed to project the entire image.

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  • Large Convex Lenses | Products & Suppliers | Engineering360

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    2020-1-30 · For optimal performance, a large-diameter aspheric lens can be used in place of a plano-convex lens if the necessary focal length on the output side is 20 mm (see AL2520-A, AL2520-B, AL2520-C). These lenses are 25 mm in diameter and can be held in place using the supplied SM1RR Retaining Ring.

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    2020-4-30 · Thorlabs' Aspheric Condenser Lenses offer larger apertures, higher NA, and lower f/# ratios than spherical lenses. Therefore, these lenses are ideal for high-efficiency illumination applications or collimating light from a lamp, LED, or similar light source. Our condensers are …

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  • Fiber Coupling and Spatial Filter Systems

    2020-1-30 · For optimal performance, a large-diameter aspheric lens can be used in place of a plano-convex lens if the necessary focal length on the output side is 20 mm (see AL2520-A, AL2520-B, AL2520-C). These lenses are 25 mm in diameter and can be held in place using the supplied SM1RR Retaining Ring.

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    2020-4-30 · Thorlabs' Aspheric Condenser Lenses offer larger apertures, higher NA, and lower f/# ratios than spherical lenses. Therefore, these lenses are ideal for high-efficiency illumination applications or collimating light from a lamp, LED, or similar light source. Our condensers are …

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  • Choosing the right Laser lens - Engraver's Network

    2016-1-4 · ULS Laser systems use plano-convex lenses to focus laser light. Our laser focus lenses are optimized for specific wavelengths of laser light. Laser light enters a convex lens and begins to converge to a focal point, upon crossing the focal point, the light then diverges out again. The range light converges and then diverges out again, depends ...

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    Introducing the Skyllaney: 50mm f/2 ‘Bertele’. Skyllaney Opto-Mechanics is hard at work developing thier new 50mm f/2 Bertele lens. By 2021, we hope to release our first limited edition run of a 50mm f/2 classic Sonnar formula lens in native M bayonet, which optically is based very closely off the1937 pre-war era design by Dr Ludwig Bertele.

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  • Choosing the right Laser lens - Engraver's Network

    2016-1-4 · ULS Laser systems use plano-convex lenses to focus laser light. Our laser focus lenses are optimized for specific wavelengths of laser light. Laser light enters a convex lens and begins to converge to a focal point, upon crossing the focal point, the light then diverges out again. The range light converges and then diverges out again, depends ...

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