We are adding many refractors from Takahashi and Borg to our website daily. If you don’t see what you want here, call OSI for availability.
RefractorsJanuary 21, 2018
Showing 1–12 of 35 results
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Refractors over 139mm (6)
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Refractors 127-138mm (5)
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Refractors under 127mm (20)
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APM 140mm Doublet APO Telescope 3.7 Inch Focuser Bundle
$3,290.00APM 140mm Doublet APO Telescope 3.7 Inch Focuser BundleJanuary 21, 2018 -
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Tele Vue-NP101is 101mm, f/5.4 APO (Nagler-Petzval) Refractor, Imaging/Visual
$3,995.00Tele Vue-NP101is 101mm, f/5.4 APO (Nagler-Petzval) Refractor, Imaging/VisualAugust 19, 2020 -
Tele Vue-NP127fli 127mm, f/5.3 APO (Nagler-Petzval) Astrograph Refractor
$6,995.00Tele Vue-NP127fli 127mm, f/5.3 APO (Nagler-Petzval) Astrograph RefractorAugust 19, 2020 -
Borg 107FL F3.9ED Astrograph 107mm Fluorite
$4,595.00Borg 107FL F3.9ED Astrograph 107mm FluoriteSeptember 22, 2020 -
Borg 107FL F6 Astrograph Set FTF-M57 Focuser, 107mm Fluorite
$3,299.00Borg 107FL F6 Astrograph Set FTF-M57 Focuser, 107mm FluoriteAugust 18, 2020 -
Borg 107FL FTF-3235 Visual Set w/ Feather Touch Focuser, 107mm Fluorite
$3,895.00Borg 107FL FTF-3235 Visual Set w/ Feather Touch Focuser, 107mm FluoriteSeptember 22, 2020 -
Borg 107FL OTA Set CR, Carbon Fiber Tube + Rack & Pinion Focuser, 107mm Fluorite
$3,395.00Borg 107FL OTA Set CR, Carbon Fiber Tube + Rack & Pinion Focuser, 107mm FluoriteAugust 7, 2020 -
Borg 55FL F3.6 Astrograph Set A, 55mm Fluorite
$1,299.00Borg 55FL F3.6 Astrograph Set A, 55mm FluoriteSeptember 10, 2020 -
Borg 55FL F3.6 Astrograph Set B, 55mm Fluorite, w/ helical focuser
$1,575.00Borg 55FL F3.6 Astrograph Set B, 55mm Fluorite, w/ helical focuserSeptember 22, 2020 -
Borg 55FL Telephoto Lens Set, 55mm Fluorite
$895.00Borg 55FL Telephoto Lens Set, 55mm FluoriteSeptember 22, 2020 -
Borg B90FTF4 F4 Astrograph Set w/ Feather Touch Focuser, 90mm Fluorite
$2,999.00Borg B90FTF4 F4 Astrograph Set w/ Feather Touch Focuser, 90mm FluoriteSeptember 22, 2020
