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  1. FLI - 28mm B Research Grade Filter from UBVRI

    FLI - 28mm B Research Grade Filter from UBVRI

    • FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)
    • Size: 28mm
    • Shape: round
    • Thickness: 3mm +/-0.1mm
    • Bandwidth: N/A
    • Parallelism: 30 second or better
    • Surface Flatness: 1/4 wave per inch
    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 28D B
    $290.00

  2. FLI - 28mm I Research Grade Filter from UBVRI

    FLI - 28mm I Research Grade Filter from UBVRI

    • FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)
    • Size: 28mm
    • Shape: round
    • Thickness: 3mm +/-0.1mm
    • Bandwidth: N/A
    • Parallelism: 30 second or better
    • Surface Flatness: 1/4 wave per inch
    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 28D I
    $345.00

  3. RG_28D_LRGB

    FLI - 28mm LRGB Research Grade Filters

    • FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)
    • Size: 28mm
    • Shape: round
    • Thickness: 3mm +/-0.1mm
    • Bandwidth: N/A
    • Parallelism: 30 second or better
    • Surface Flatness: 1/4 wave per inch
    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 28D LRGB
    $595.00

  4. FLI - 28mm R Research Grade Filter from UBVRI

    FLI - 28mm R Research Grade Filter from UBVRI

    • FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)
    • Size: 28mm
    • Shape: round
    • Thickness: 3mm +/-0.1mm
    • Bandwidth: N/A
    • Parallelism: 30 second or better
    • Surface Flatness: 1/4 wave per inch
    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 28D R
    $345.00

  5. FLI - 28mm Research Grade Filters - LRGB and UBVRI

    FLI - 28mm Research Grade Filters - LRGB and UBVRI

    ... Learn More
    Model#: RG 28D Filters

    Starting at: $140.00

  6. FLI - 28mm U Research Grade Filter from UBVRI

    FLI - 28mm U Research Grade Filter from UBVRI

    • FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)
    • Size: 28mm
    • Shape: round
    • Thickness: 3mm +/-0.1mm
    • Bandwidth: N/A
    • Parallelism: 30 second or better
    • Surface Flatness: 1/4 wave per inch
    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 28D U
    $290.00

  7. RG_28D_UBVRI

    FLI - 28mm UBVRI Research Grade Filters

    • FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)
    • Size: 28mm
    • Shape: round
    • Thickness: 3mm +/-0.1mm
    • Bandwidth: N/A
    • Parallelism: 30 second or better
    • Surface Flatness: 1/4 wave per inch
    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 28D UBVRI
    $595.00

  8. RG_28D_V

    FLI - Research Grade 28mm Diameter V filter from UBVRI

    • FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)
    • Size: 28mm
    • Shape: round
    • Thickness: 3mm +/-0.1mm
    • Bandwidth: N/A
    • Parallelism: 30 second or better
    • Surface Flatness: 1/4 wave per inch
    ...
    Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG 28D V
    $345.00

  9. FLI - Research Grade 50mm Diameter Clear

    FLI - Research Grade 50mm Diameter Clear

    RG 50D CFLI Research Grade filter sets are par focal to F4.5Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    Model#: RG_50D_C
    $120.00

  10. FLI - Research Grade 50mm Diameter Ha 4.5nm

    FLI - Research Grade 50mm Diameter Ha 4.5nm

    RG 50D Ha (4.5nm)FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_Ha_45
    $795.00

  11. FLI - Research Grade 50mm Diameter Ha 8nm

    FLI - Research Grade 50mm Diameter Ha 8nm

    RG 50D Ha (8nm)FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_Ha_8
    $495.00

  12. FLI - Research Grade 50mm Diameter Hb 6nm

    FLI - Research Grade 50mm Diameter Hb 6nm

    RG 50D HbFLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_Hb
    $595.00

  13. FLI - Research Grade 50mm Diameter LRGB 4.5nm Ha

    FLI - Research Grade 50mm Diameter LRGB 4.5nm Ha

    RG 50D LRGB Ha (4.5nm)FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_LRGB_Ha_45
    $1,620.00

  14. FLI - Research Grade 50mm Diameter LRGB 8nm Ha

    FLI - Research Grade 50mm Diameter LRGB 8nm Ha

    RG 50D LRGB Ha (8nm)FLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_LRGB_Ha_8
    $1,320.00

  15. FLI - Research Grade 50mm Diameter LRGB filters

    FLI - Research Grade 50mm Diameter LRGB filters

    RG 50D LRGBFLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_LRGB
    $1,195.00

  16. FLI - Research Grade 50mm Diameter Luminance IR

    FLI - Research Grade 50mm Diameter Luminance IR

    RG 50D LFLI Research Grade filter sets are par focal to F4.5Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 3mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_L
    $225.00

  17. FLI - Research Grade 50mm Diameter OIII

    FLI - Research Grade 50mm Diameter OIII

    RG 50D O IIIFLI Research Grade filter sets are par focal to F4.5Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 5mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_OIII
    $495.00

  18. FLI - Research Grade 50mm Diameter SII

    FLI - Research Grade 50mm Diameter SII

    RG 50D S IIFLI Research Grade filter sets are par focal to F4.5Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 5mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_SII
    $495.00

  19. FLI - Research Grade 50mm Diameter UBVRI filters

    FLI - Research Grade 50mm Diameter UBVRI filters

    RG 50D UBVRIFLI Research Grade filter sets are par focal to F4.5 (individual filters are also available, contact FLI)Size: 50 mm +0.2 / -0.5mmShape: roundThickness: 5mm +/-0 ... Learn More
    FREE SHIPPING
    (48 States)
    Model#: RG_50D_UBVRI
    $1,495.00

  20. FLI - Research Grade 50mm Square Clear

    FLI - Research Grade 50mm Square Clear

    RG 50S CFLI Research Grade filter sets are par focal to F4.5Size: 50 mm +0.2 / -0.5mmShape: squareThickness: 3mm +/-0 ... Learn More
    Model#: RG 50S C
    $120.00

Items 1 to 20 of 30 total

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Finger Lakes Instrumentation, LLC produces imaging systems and accessories for scientific applications including astronomy, microscopy, x-ray and medical imaging.