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  1. Lumicon - Filter Neutral Density 25 1.25in

    Lumicon - Filter Neutral Density 25 1.25in

    The LF1085, 1.25" Neutral Density 25 Filter (ND25), transmits 25% of all incident light, while blocking 75%. For lunar and planetary observing with 5" (125mm) and larger telescopes ... Learn More
    Model#: LF1085

    Regular Price: $30.00

    Special Price: $23.95

  2. Lumicon - Filter # 8 Light Yellow 1.25in

    Lumicon - Filter # 8 Light Yellow 1.25in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging

    ...
    Learn More
    Model#: LF1010
    $23.95

  3. Lumicon - Filter # 23A Light Red 1.25"

    Lumicon - Filter # 23A Light Red 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1035
    $23.95

  4. Lumicon - Filter # 56 Green 1.25"

    Lumicon - Filter # 56 Green 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1060
    $23.95

  5. Lumicon - Filter # 82A Light Blue 1.25"

    Lumicon - Filter # 82A Light Blue 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail

    ...
    Learn More
    Model#: LF1075
    $23.95

  6. Lumicon - Filter # 15 Yellow-Orange 1.25"

    Lumicon - Filter # 15 Yellow-Orange 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail.

    ...
    Learn More
    Model#: LF1025
    $23.95

  7. Lumicon - Filter # 38A Dark Blue 1.25"

    Lumicon - Filter # 38A Dark Blue 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1050
    $23.95

  8. Lumicon - Filter Neutral Density 50 1.25"

    Lumicon - Filter Neutral Density 50 1.25"

    The LF1090, 1.25" Neutral Density 50 Filter (ND50), transmits 50% of all incident light, while blocking 50%.

    ...
    Learn More
    Model#: LF1090

    Regular Price: $30.00

    Special Price: $23.95

  9. Lumicon - Filter # 11 Yellow-Green 1.25in

    Lumicon - Filter # 11 Yellow-Green 1.25in

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging

    ...
    Learn More
    Model#: LF1015
    $23.95

  10. Lumicon - Filter # 25 Red 1.25"

    Lumicon - Filter # 25 Red 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1040
    $23.95

  11. Lumicon - Filter # 58 Dark Green 1.25"

    Lumicon - Filter # 58 Dark Green 1.25"

    Each filter is individually precision ground and highly polished with ultra-high light transmittance coatings on both sides for ultimate contrast on lunar and planetary detail. Double stacking filters may also improve lunar imaging ... Learn More
    Model#: LF1065
    $23.95

  12. Lumicon - 1.25" Filter Neutral Density 13

    Lumicon - 1.25" Filter Neutral Density 13

    The LF1080, 1.25" Neutral Density 13 (ND13), transmits 13% of all incident light, while blocking 87%.

    ...
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    Model#: LF1080

    Regular Price: $30.00

    Special Price: $23.95

  13. Levenhuk - 120mm Solar Filter

    Levenhuk - 120mm Solar Filter

    Levenhuk solar filters are made using the special Baader Planetarium film of German make. With them, you can safely observe ... Learn More
    Model#: 28084
    $24.95

  14. Levenhuk - 102mm Solar Filter

    Levenhuk - 102mm Solar Filter

    Levenhuk solar filters are made using the special Baader Planetarium film of German make. With them, you can safely observe the Sun without having to worry about ... Learn More
    Model#: 28082
    $24.95

  15. Levenhuk - 90mm Solar Filter

    Levenhuk - 90mm Solar Filter

    Levenhuk solar filters are made using the special Baader Planetarium film of German make. With them, you can safely observe the Sun without having to worry about permanent eye damage. These filters ... Learn More
    Model#: 28081
    $24.95

  16. Lumicon - T-Thread Adapter for Multiple Filter Selector 2"

    Lumicon - T-Thread Adapter for Multiple Filter Selector 2"

    The T-Thread Adapter for Multiple Filter Selector 2in is a low-profile, male T-Thread (42mm x 0.75mm) camera adapter for the Lumicon 2" MFS.

    ...
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    Model#: LF5020
    $27.95

  17. Levenhuk - 114mm Solar Filter

    Levenhuk - 114mm Solar Filter

    Levenhuk solar filters are made using the special Baader Planetarium film of German make. With them, you can safely observe the Sun without having to worry about permanent eye damage. These filters fit the ... Learn More
    Model#: 28083
    $29.95

  18. Celestron - Solar Filter (for Firstscope 60AZ, 60EQ)

    DISCONTINUED: Celestron - Solar Filter (for Firstscope 60AZ, 60EQ)

    This is a discontinued item. We recommend Thousand Oaks Optical RG Solar Film as a replacement.

    These filters are designed to work with our FirstScope 60 and FirstScop 60EQ telescope models.Celestron Solar Filters are made with Baader Astro Solar Safety Film.

    ...
    Learn More
    Model#: 94131
  19. Optec - #47B Blue, 50mm diam x 2mm thick

    Optec - #47B Blue, 50mm diam x 2mm thick

    This filter is used for RGB imaging to pass the blue band ... Learn More
    Model#: 17236
    $30.00

  20. Optec - #21 Orange, 50mm diam x 2mm thick

    Optec - #21 Orange, 50mm diam x 2mm thick

    Optec - #21 Orange, 50mm diam x 2mm thick ;Blocks blue completely and ... Learn More
    Model#: 17233
    $30.00

Items 21 to 40 of 951 total

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