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O'Telescope is an Avalon & 10Micron Technical Assistance Dealer; we are certified by Avalon & 10Micron to sell and service Avalon & 10Micron mounts. Click for more detail.

Flatteners / Reducers & Barlows


28 products

  1. Special Order
    ASA-0200223A-2R

    ASA 2" Reducer Corrector 0.73 x for Newtonian [ASA-0200223A-2R]

    $902.43 USD

    Scheduled Delivery
    (0)
  2. Special Order
    ASA-0200220A-3W

    ASA 3" Wynne Corrector 0.95x for Newtonian [ASA-0200220A-3W]

    $1,204.10 USD

    Scheduled Delivery
    (0)
  3. Special Order
    ASA-0200280A

    ASA 3" Wynne Hyperbol Corrector, 8H for AAF3 [ASA-0200280A]

    $1,204.10 USD

    Scheduled Delivery
    (0)
  4. 3 in stock
    ES-FFEDAPO-00

    Explore Scientific 2" Field Flattener for ED APO [ES-FFEDAPO-00]

    $159.99 USD

    IN STOCK, usually ships within 48h or less directly from our warehouse
    (0)
  5. ES-FFEDAPO-CA

    Explore Scientific 2" Field Flattener for ED APO with Canon T-Mount [ES-FFEDAPO-CA]

    $199.99 USD

    Availability: usually ships within 10-14 days
    (0)
  6. ES-FFEDAPO-NI

    Explore Scientific 2" Field Flattener for ED APO with Special Thin Nikon T-Mount [ES-FFEDAPO-NI]

    $199.99 USD

    Availability: usually ships within 10-14 days
    (0)
  7. ES-FFFR507X-00

    Explore Scientific 50mm 3" Flattener and .7X Focal Reducer [ES-FFFR507X-00]

    $309.99 USD

    Availability: usually ships within 10-14 days
    (0)
  8. ES-510364

    Explore Scientific 2'' ADAPTER FOR FFFR507X-00 [ES-510364]

    $69.99 USD

    Availability: usually ships within 10-14 days
    (0)
  9. 2 in stock
    ES-HRCC02-00

    Explore Scientific 2'' HIGH Resolution Coma Corrector For Newtonians [ES-HRCC02-00]

    $259.99 USD

    IN STOCK, usually ships within 48h or less directly from our warehouse
    (0)
  10. 1 in stock
    ES-FE02-125

    Explore Scientific 2x 1.25" Focal Extender [ES-FE02-125]

    $119.99 USD

    IN STOCK, usually ships within 48h or less directly from our warehouse
    (0)
  11. 1 in stock
    ES-FE03-125

    Explore Scientific 3x 1.25" Focal Extender [ES-FE03-125]

    $119.99 USD

    IN STOCK, usually ships within 48h or less directly from our warehouse
    (0)
  12. 1 in stock
    ES-FE05-125

    Explore Scientific 5x 1.25" Focal Extender [ES-FE05-125]

    $174.99 USD

    IN STOCK, usually ships within 48h or less directly from our warehouse
    (0)
  13. 1 in stock
    ES-FE02-020

    Explore Scientific 2x 2" Focal Extender [ES-FE02-020]

    $214.99 USD

    IN STOCK, usually ships within 48h or less directly from our warehouse
    (0)
  14. ES-FE03-020

    Explore Scientific 3x 2" Focal Extender [ES-FE03-020]

    $244.99 USD

    Availability: usually ships within 10-14 days
    (0)
  15. TK-TKA00594

    Takahashi Extender-C2x [TK-TKA00594]

    $142.00 USD

    Availability: usually ships within 10-14 days
    (0)
  16. TK-TKA00595

    Takahashi Extender-Q 1.6X [TK-TKA00595]

    $530.00 USD

    Availability: usually ships within 10-14 days
    (0)
  17. TK-TKA36595

    Takahashi Extender Q 1.6X (2 Inch) [TK-TKA36595]

    $570.00 USD

    Availability: usually ships within 10-14 days
    (0)
  18. TK-TKA31595

    Takahashi Extender-TOA 1.6X [TK-TKA31595]

    $530.00 USD

    Availability: usually ships within 10-14 days
    (0)
  19. 1 in stock
    TK-TKA37595

    Takahashi Extender-ED 1.5X [TK-TKA37595]

    $530.00 USD

    IN STOCK, usually ships within 48h or less directly from our warehouse
    (0)
  20. TK-TKA82595

    Takahashi Extender-CR 1.5X [TK-TKA82595]

    $530.00 USD

    Availability: usually ships within 10-14 days
    (0)
  21. TK-TKA28595

    Takahashi FOA-60 Extender 1.7XR [TK-TKA28595]

    $580.00 USD

    Availability: usually ships within 10-14 days
    (0)
  22. TK-TKA20595

    Takahashi Extender-CQ 1.7X (FS-60CB) [TK-TKA20595]

    $407.00 USD

    Availability: usually ships within 10-14 days
    (0)
  23. TK-TKA20582

    Takahashi FS-60C F/6.2 Flattener [TK-TKA20582]

    $156.00 USD

    Availability: usually ships within 10-14 days
    (0)
  24. 1 in stock
    TK-TKA31582

    Takahashi TOA-35 Flattener [TK-TKA31582]

    $530.00 USD

    IN STOCK, usually ships within 48h or less directly from our warehouse
    (0)
  25. TK-TKA31583S

    Takahashi 67 Flattener (TOA-130F) [TK-TKA31583S]

    $1,010.00 USD

    Availability: usually ships within 10-14 days
    (0)
  26. TK-TKA32583S

    Takahashi 67 Flattener (TOA-150) [TK-TKA32583S]

    $1,010.00 USD

    Availability: usually ships within 10-14 days
    (0)
  27. TK-TKA18582

    Takahashi FC-76D Flattener [TK-TKA18582]

    $224.00 USD

    Availability: usually ships within 10-14 days
    (0)
  28. TK-TKA28582

    Takahashi FOA-60 0.93X Flattener [TK-TKA28582]

    $359.00 USD

    Availability: usually ships within 10-14 days
    (0)
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