OSI

620 products

    620 products
    Sold Out
    LF3085.jpg (6795767775385)
    Lumicon 1.25 Inch Night Sky Hydrogen-α Filter
    $67.10
    Farpoint Eyepiece Extension Tube - 2.25 Inch (6795789533337)
    FAV Family 1_25 extension tubes 600pix captioned (6795789533337)
    Farpoint Eyepiece Extension Tube - 2.25 Inch
    $18.70
    Sale
    Farpoint 14 Inch Metric Universal Dovetail Plate (6831691464857)
    Farpoint 14 Inch Metric Universal Dovetail Plate (6831691464857)
    Farpoint 14 Inch Metric Universal Dovetail Plate
    Sale price $72.60 Regular price $96.80 Save $24.20
    Lumicon 2 Inch Thread-in Extension Tube - 2 Inch Eyepiece Push Back (6795790254233)
    Lumicon 2 Inch Thread-in Extension Tube - 2 Inch Eyepiece Push Back
    $24.20
    Lumicon Laser Pointer Bracket - Refractor (6795745394841)
    LS2055-6 (6795745394841)
    Lumicon Laser Pointer Bracket - Refractor
    $60.50
    Sold Out
    JMI MotoFocus+ Celestron NexStar 6SE (6795782488217)
    JMI MotoFocus+ Celestron NexStar 6SE
    $240.90
    Sale
    Dew-Inside-1.jpg (6795752439961)
    Farpoint Notched Dew Shield - Celestron 9.25 Inch SCT
    Sale price $44.00 Regular price $63.00 Save $19
    Sold Out
    lg2015 (6795804803225)
    LG1015_easyguider (6795804803225)
    Lumicon 2 Inch Easy Guider for ZWO cameras
    $361.90
    Sold Out
    LA1030 Product Shot (6795790287001)
    Lumicon 2 Inch Drop In Extension Tube - 1 Inch Eyepiece Push Back
    $27.50
    Sold Out
    Lumicon 2 Inch Neutral Density 25 Filter (6795773575321)
    Lumicon 2 Inch Neutral Density 25 Filter
    $60.50
    5 inch wheels Product Shot 2000x2000 (6795918278809)
    JMI - Astro-Physics Pier Mount Wheeley Bars (6795918278809)
    JMI - Astro-Physics Pier Mount Wheeley Bars
    $615.00
    FAP201-full-res (6795789074585)
    Farpoint 1.25 Inch Nosepiece-to-C/CS Mount Male Adapter
    $24.20
    LA1055 Product Shot (6795790483609)
    LA1055 inside (6795790483609)
    Lumicon 1.25 Inch Male - 2 Inch Female Adapter
    $24.20
    Sold Out
    Lumicon 1.25 Inch Thread-in Extension Tube - 1 Inch Eyepiece Push Back (6795790123161)
    Lumicon 1.25 Inch Thread-in Extension Tube - 1 Inch Eyepiece Push Back
    $12.10
    Farpoint Parfocal Ring - 1.25 Inch Eyepieces (6795789893785)
    Farpoint Parfocal Ring - 1.25 Inch Eyepieces
    $11.00
    Sold Out
    LA1020 (6795790221465)
    Lumicon 1.25 Inch Drop In Extension Tube - 3 Inch Eyepiece Push Back
    $18.70
    Lumicon Low Profile 2 Inch Prime Focus Adapter (6795786977433)
    Lumicon Low Profile 2 Inch Prime Focus Adapter
    $24.20
    Sale
    Farpoint Bahtinov Mask - Celestron 9.25 Classic (6795776065689)
    Farpoint Bahtinov Mask - Celestron 9.25 Classic
    Sale price $19.60 Regular price $28.00 Save $8.40
    Sale
    FVUPS4 2000x2000 (6795760730265)
    FVUPS4 2000x2000 Shot 2 (6795760730265)
    Farpoint 4 Inch Universal Dovetail Plate - Vixen
    Sale price $32.18 Regular price $42.90 Save $10.72
    Farpoint Vixen to Losmandy Dovetail Saddle with Spacer Pucks (6795760238745)
    Head On FVS2D (6795760238745)
    Farpoint Vixen to Losmandy Dovetail Saddle with Spacer Pucks
    $193.60
    Sale
    FP412R Square (6795857461401)
    FP412R Square Slit Image (6795857461401)
    Farpoint Bahtinov Mask for Celestron 11" RASA
    Sale price $21.00 Regular price $30.00 Save $9
    Sale
    Sizes_II.jpg (6795752505497)
    Farpoint Dew Shield - Celestron 11 Inch SCT
    Sale price $49.00 Regular price $71.00 Save $22
    Lumicon Filter Boxes for 2" filters, Set of 5 (6795805098137)
    Lumicon Filter Boxes for 2" filters, Set of 5
    $27.50
    JMI Tow Handle - for Wheeley Bars with 1/2" leveling screws and 5" wheels (6795828691097)
    TPWHANDLE (6795828691097)
    JMI Tow Handle - for Wheeley Bars with 1/2" leveling screws and 5" wheels
    $107.80
    Sold Out
    Farpoint Eyepiece Extension Tube - 1.5 Inch (6795822104729)
    FAV Family 1_25 extension tubes 600pix captioned (6795822104729)
    Farpoint Eyepiece Extension Tube - 1.5 Inch (Scratch and Dent Discount)
    $16.50
    Sale
    Farpoint Carey Focus Mask - 3.5 Inch to 6.5 Inch Telescopes (6795776622745)
    Grommet-Screw.jpg (6795776622745)
    Farpoint Carey Focus Mask - 3.5 Inch to 6.5 Inch Telescopes
    Sale price $16.10 Regular price $23.00 Save $6.90
    Sale
    Farpoint Vixen Dovetail Plate - Celestron 11 Inch SCT (6795759124633)
    Farpoint Vixen Dovetail Plate - Celestron 11 Inch SCT (6795759124633)
    Farpoint Vixen Dovetail Plate - Celestron 11 Inch SCT
    Sale price $72.60 Regular price $96.80 Save $24.20
    JMI Wheeley Bars - 8 Inch Lightbridge (6795791171737)
    LB8-3 (6795791171737)
    JMI Wheeley Bars - 8 Inch Lightbridge
    $398.20
    Sold Out
    Lx10-5 Product Shot (6795763843225)
    Front Of Case LX10-5 (6795763843225)
    JMI Telescope Carrying Case - Meade LX 10 Inch
    $850.30
    Sale
    FP404 Square (6862482112665)
    Farpoint Bahtinov Mask - 9.5 Inch to 12.5 Inch OTAs
    Sale price $22.40 Regular price $32.00 Save $9.60
    Sold Out
    Lumicon 2 Inch Neutral Density 50 Filter (6795773608089)
    Lumicon 2 Inch Neutral Density 50 Filter
    $46.19
    Sale
    FMDUPS.jpg (6795758731417)
    Farpoint 7 Inch Metric Universal Dovetail Plate
    Sale price $54.45 Regular price $72.60 Save $18.15
    Lc1035 Product Shot (6795790352537)
    LC1035 inside (6795790352537)
    Lumicon 2 Inch Drop In Extension Tube - 1.5 Inch Eyepiece Push Back
    $30.80
    Sold Out
    JMI MotoFocus+ Meade Cassegrain with Hexagonal Knob (6795782226073)
    MFMH.jpg (6795782226073)
    JMI MotoFocus+ Meade Cassegrain with Hexagonal Knob
    $240.90
    fp 320 (6795749556377)
    knobs-and-springs-full-res-cropped-1.jpg (6795749556377)
    Farpoint Knob/Spring Kit - Meade 16 Inch LightBridge
    $48.40