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Unbranded Telescope Mirrors and Prisms

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  • Plus: 22% off* with code VALUE22

    Non-members save 15%* with code VALUE15

    Shop nowPlus: 22% off* with code VALUE22 Non-members save 15%* with code VALUE15
    *Off seller's price. Ends 31/8. Max disc & T&Cs apply

    Terms & conditions

    Terms & Conditions

    1. Acceptance. By using or attempting to use the redemption code for this offer, you agree to accept and be bound by these terms and conditions.

    2. Offer Period. This offer is provided by eBay Marketplaces GmbH (“eBay”) and commences at 10:00AM AEST on 25th August 2025 and ends at 11:59PM AEST on 31st August 2025 (“Offer Period”). eBay reserves the right to cancel the offer at any time as set out in the Changes clause below.

    3. Eligibility. This offer is available to eBay Plus members and non-eBay Plus members as set out in clause 4 below.

    4. Conditions. This offer entitles you to:

    * non-eBay Plus members to take 15% off; and

    * eBay Plus members to take an extra 7% off (total 22% off),

    5. the Seller’s Price (excluding postage costs) during the Offer Period, up to a maximum discount of $300 per transaction. Multiple items may be purchased in 5 transactions per person, including cancelled transactions as set out in the Cancellations clause below (up to a maximum of 10 items per transaction).

    6. “Seller’s Price” means the current price that the seller is selling an Eligible Item for, after any seller discounts and/ or coupons, but prior to application of the redemption code for this offer.

    7. “Eligible Items” means items listed on eBay.com.au where a link to these terms and conditions and the coupon redemption code VALUE15 (for non-Plus members) or VALUE22 (for eBay Plus members) is found in the item listing, or the item appears in the following URL:

    * https://www.ebay.com.au/e/coupon-offers/15-22-pwe-2-top-picks-aug25

    * https://www.ebay.com.au/e/coupon-offers/15-22-pwe-2-tech-aug25

    * https://www.ebay.com.au/e/coupon-offers/15-22-pwe-2-h-g-aug25

    * https://www.ebay.com.au/e/coupon-offers/15-22-pwe-2-p-a-aug25

    * https://www.ebay.com.au/e/coupon-offers/15-22-pwe-2-tc-collectables-aug25

    8. Redemption. To redeem this offer during the Offer Period, enter the redemption code VALUE15 (for non-Plus members) or VALUE22 (for eBay Plus members) into the redemption code box during checkout. This code cannot be used in conjunction with any other eBay offer, coupon or voucher, however it may be used in conjunction with a seller coded coupon or offer, subject to any applicable Terms and Conditions. You can only use the redemption code 5 times during the Offer Period. Where a transaction for which a redemption code has been used is cancelled either by you or a seller, the redemption for the cancelled transaction cannot be re-used and will still be considered a redemption as set out in the Cancellations clause below. The code is provided to you as an eBay User and the limitations on its usage apply on that basis even though you may have registered a number of different eBay User IDs.

    9. eBay Plus. For eBay Plus members, the standard eBay Plus Terms and Conditions apply when you accept the offer.

    10. eBay rights. Without limiting other remedies and in addition to eBay's rights under the User Agreement, eBay reserves the right to disallow or reverse a discount or prohibit access to this offer in circumstances where eBay believes:

    * you have provided false information, conspired with others to gain an unfair advantage or have otherwise been involved in any way in manipulating, interfering or tampering with the conduct of this offer

    * a sale or purchase of any item as part of this offer has not been made in good faith, including where eBay considers that the buyer and seller may be related parties (such as family members or parties sharing the same dwelling); or

    * buyers or sellers have engaged in collusive conduct or any other conduct which eBay considers unfair, fraudulent or untoward.

    11. Active. You must be an eBay.com.au registered member with an active account at the time of redemption (not suspended nor made inactive by eBay).

    12. Registered address. Your eBay.com.au account must have an Australian registered address to redeem this offer.

    13. Shipping. Items will only be shipped to addresses within Australia.

    14. Returns. If you return or seek a refund on any item purchased using this discount, the value of the discount will not be refunded to you.

    15. Cancellations. If you redeem this offer and the transaction is subsequently cancelled, the value of the discount will not be refunded to you and the transaction will still be considered a redemption under the Redemption clause above. However, for offers which only have one redemption per user, if you have redeemed the offer on a transaction which has subsequently been cancelled for reasons outside of your control, you may contact us, providing reasons, to request a replacement coupon.

    16. No withdrawal. This offer cannot be withdrawn into your bank account and cannot be transferred.

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    19. Changes. eBay reserves the right, at its reasonable discretion, to vary these terms and conditions, or to cancel or change the offer at any time. eBay will only vary these terms and conditions, or cancel or change the offer where it determines, acting reasonably, that it is necessary to do so to prevent fraud, misuse or abuse of the offer, to correct any error or mistake, or where it is necessary to do so to protect eBay’s legitimate interests. Unless it is necessary to update these terms and conditions to correct a mistake or error, or to urgently cancel or change the offer such as in the case of fraudulent activity, eBay will provide 48 hours’ notice (“Notice Period”) by publishing revised terms on eBay.com.au. If you do not agree to the variation or change to the offer, you must cease participation in the offer during the Notice Period. Notwithstanding the foregoing, any offer which does not have an end date specified at the time of launch or is promoted as a limited time only offer, will not have an indefinite duration and may be ended by eBay at any time. It is your responsibility to check whether an offer is still available before proceeding to purchase.

    20. Monetary amounts. All monetary amounts specified in these terms and conditions are in Australian dollars (AUD).

    21. Jurisdiction. The parties submit to the non-exclusive jurisdiction of the courts of the state of New South Wales.

  • 2PCS Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum 10CM

    2PCS Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum 10CM

    AU $32.99
  • AU 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum

    AU 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum

    AU $18.85
  • 15CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum AU

    15CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum AU

    AU $21.99
  • 3PC x 5CM Optical Glass Triple Triangular Prism Physics Refractor Spectrum

    3PC x 5CM Optical Glass Triple Triangular Prism Physics Refractor Spectrum

    AU $36.99
  • 2PCS 15CM Optical Glass Triple Triangular Prism Refractor Light Spectrum

    2PCS 15CM Optical Glass Triple Triangular Prism Refractor Light Spectrum

    AU $34.99
  • Optical Glass Triple Triangular Prism Refractor Light Spectrum 5/10/15/18CM

    Optical Glass Triple Triangular Prism Refractor Light Spectrum 5/10/15/18CM

    AU $22.99
  • 18CM Optical Glass Triple Triangular Prism Physics Refractor Light

    18CM Optical Glass Triple Triangular Prism Physics Refractor Light

    AU $27.89

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    • 2PCS 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum - image 1 of 4
    • 2PCS 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum - image 2 of 4
    • 2PCS 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum - image 3 of 4
    • 2PCS 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum - image 4 of 4

    New listing2PCS 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum

    Brand new · Unbranded
    AU $29.99
    Free postage
    Click & Collect
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    • 203mm 1600mm  f/8 Newtonian Reflector Telescope with Spherical Mirror Lens - image 1 of 4
    • 203mm 1600mm  f/8 Newtonian Reflector Telescope with Spherical Mirror Lens - image 2 of 4
    • 203mm 1600mm  f/8 Newtonian Reflector Telescope with Spherical Mirror Lens - image 3 of 4
    • 203mm 1600mm  f/8 Newtonian Reflector Telescope with Spherical Mirror Lens - image 4 of 4

    203mm 1600mm f/8 Newtonian Reflector Telescope with Spherical Mirror Lens

    Brand new · Unbranded
    AU $176.00
    or Best Offer
    Free postage
    Click & Collect
    3⁣P⁣ ⁣S⁣N⁣p⁣J⁣o⁣n⁣ ⁣ѕ⁣X⁣O⁣o⁣r⁣e⁣ ⁣d⁣V⁣⁣⁣F⁣⁣⁣ ⁣⁣⁣N⁣
    • 18CM Optical Glass Triple Triangular Prism Physics Refractor Light - image 1 of 4
    • 18CM Optical Glass Triple Triangular Prism Physics Refractor Light - image 2 of 4
    • 18CM Optical Glass Triple Triangular Prism Physics Refractor Light - image 3 of 4
    • 18CM Optical Glass Triple Triangular Prism Physics Refractor Light - image 4 of 4

    18CM Optical Glass Triple Triangular Prism Physics Refractor Light

    Brand new · Unbranded
    AU $27.89
    Free postage
    Click & Collect
    365 sold
    S⁣K⁣S⁣ ⁣р⁣J⁣D⁣ ⁣o⁣V⁣C⁣n⁣ ⁣s⁣o⁣r⁣8⁣M⁣ ⁣3⁣I⁣e⁣d⁣ ⁣⁣A⁣⁣ ⁣
    • D203F1200 Paraboloidal Primary Mirror Newtonian Reflector Astronomical Telescope - image 1 of 4
    • D203F1200 Paraboloidal Primary Mirror Newtonian Reflector Astronomical Telescope - image 2 of 4
    • D203F1200 Paraboloidal Primary Mirror Newtonian Reflector Astronomical Telescope - image 3 of 4
    • D203F1200 Paraboloidal Primary Mirror Newtonian Reflector Astronomical Telescope - image 4 of 4

    D203F1200 Paraboloidal Primary Mirror Newtonian Reflector Astronomical Telescope

    Brand new · Unbranded
    AU $42.08 to AU $359.10
    Free postage
    S⁣Y⁣p⁣W⁣о⁣n⁣ ⁣Z⁣s⁣o⁣r⁣6⁣e⁣ ⁣d⁣⁣2⁣N⁣ ⁣⁣⁣H⁣J⁣⁣ ⁣⁣⁣⁣
  • 2PCS 15CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum - image 1 of 4

    New listing2PCS 15CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum

    Brand new · Unbranded
    AU $31.99
    Free postage
    Click & Collect
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  • Parabolic Primary Mirror 203mm for Newtonian Reflection Telescope Focal 1600mm - image 1 of 4

    Parabolic Primary Mirror 203mm for Newtonian Reflection Telescope Focal 1600mm

    Brand new · Unbranded
    AU $259.96
    Was: AU $279.53was AU $279.53
    or Best Offer
    AU $11.67 postage
    6 watching
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  • 15CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum Gift - image 1 of 4

    New listing15CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum Gift

    Brand new · Unbranded
    AU $20.99
    Free postage
    Click & Collect
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  • Short Axis Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope - image 1 of 4

    Short Axis Secondary Mirror for DIY Newtonian Reflecting Astronomical Telescope

    Brand new · Unbranded
    AU $17.82 to AU $44.07
    Was: AU $45.97was AU $45.97
    AU $5.69 postage
    20 sold
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  • 18CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum AU - image 1 of 4

    New listing18CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum AU

    Brand new · Unbranded
    AU $26.99
    Free postage
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  • 0.965 Inch 90 Degree Erecting Prism Diagonal  for Astronomical Telescope9892 - image 1 of 4

    0.965 Inch 90 Degree Erecting Prism Diagonal for Astronomical Telescope9892

    Brand new · Unbranded
    AU $14.12
    Free postage
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  • Diagonal Eyepiece Clear Imaging Bayonet Type Durable Total Station Diagonal - image 1 of 4

    New listingDiagonal Eyepiece Clear Imaging Bayonet Type Durable Total Station Diagonal

    Brand new · Unbranded
    AU $331.44
    or Best Offer
    Free postage
    Click & Collect
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  • 2X 132/185/228mm Inner Diameter Tube Hoops DIY Reflective Astronomical Telescope - image 1 of 4

    2X 132/185/228mm Inner Diameter Tube Hoops DIY Reflective Astronomical Telescope

    Brand new · Unbranded
    AU $99.29 to AU $164.63
    AU $5.69 postage
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  • 203mm Parabolic Primary Mirror for Newtonian Reflection Telescope Focal 1200mm - image 1 of 4

    203mm Parabolic Primary Mirror for Newtonian Reflection Telescope Focal 1200mm

    Brand new · Unbranded
    AU $557.73
    Was: AU $606.23was AU $606.23
    AU $11.67 postage
    12 watching
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  • Vintage Pyrex Telescope Mirror Blank - 6”x5/8” or 165mm Approx - image 1 of 4

    Vintage Pyrex Telescope Mirror Blank - 6”x5/8” or 165mm Approx

    Pre-owned · Unbranded
    AU $250.00
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  • 2PCS Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum 10CM - image 1 of 4

    2PCS Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum 10CM

    Brand new · Unbranded
    AU $32.99
    Free postage
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  • Newton Reflecting Telescope Parabolic Primary Mirror 130mm Focal Length 650mm - image 1 of 4

    Newton Reflecting Telescope Parabolic Primary Mirror 130mm Focal Length 650mm

    Brand new · Unbranded
    AU $197.88
    AU $33.00 postage
    Click & Collect
    7 watching
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  • 40mmX40mm Ophthalmic Strabismus Correction Rhomboid Wedge Optical Glass Prism - image 1 of 4

    40mmX40mm Ophthalmic Strabismus Correction Rhomboid Wedge Optical Glass Prism

    Brand new · Unbranded
    AU $42.72
    Was: AU $45.45was AU $45.45
    Free postage
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  • Newtonian Reflecting Telescope 150mm Primary Mirror &Secondary Mirror Holder - image 1 of 4

    Newtonian Reflecting Telescope 150mm Primary Mirror &Secondary Mirror Holder

    Brand new · Unbranded
    AU $123.93
    Was: AU $134.70was AU $134.70
    AU $11.67 postage
    17 watching
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  • Telescope Diagonal Mirror 1.25 Inches 0.965 Inches Interface 90 Degree Diagonal - image 1 of 4

    New listingTelescope Diagonal Mirror 1.25 Inches 0.965 Inches Interface 90 Degree Diagonal

    Brand new · Unbranded
    AU $29.74
    or Best Offer
    Free postage
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  • 2pcs Dust Caps, Dust Plugs For 1.25'' / 2'' Mount Focusers Telescope Eyepieces - image 1 of 4

    2pcs Dust Caps, Dust Plugs For 1.25'' / 2'' Mount Focusers Telescope Eyepieces

    Brand new · Unbranded
    AU $2.49 to AU $4.68
    Was: AU $4.36was AU $4.36
    AU $5.69 postage
    32 sold
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  • 130mm Newtonian Reflector Telescope Parabolic Primary Mirror Focal Length 520mm - image 1 of 3

    130mm Newtonian Reflector Telescope Parabolic Primary Mirror Focal Length 520mm

    Brand new · Unbranded
    AU $231.01
    Was: AU $248.39was AU $248.39
    or Best Offer
    AU $36.41 postage
    5 watching
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  • 20/25/35/70mm Newtonian Reflection Telescope Mirror Holder F Secondary Mirror - image 1 of 4

    20/25/35/70mm Newtonian Reflection Telescope Mirror Holder F Secondary Mirror

    Brand new · Unbranded
    AU $39.49 to AU $76.89
    AU $5.69 postage
    9 watching
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  • AU 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum - image 1 of 4

    AU 10CM Optical Glass Triple Triangular Prism Physics Refractor Light Spectrum

    Brand new · Unbranded
    AU $18.85
    Free postage
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    1,251 sold
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  • Newtonian Reflecting Telescope Secondary Flat Mirror Holder 344.5mm Tube Custom - image 1 of 4

    Newtonian Reflecting Telescope Secondary Flat Mirror Holder 344.5mm Tube Custom

    Brand new · Unbranded
    AU $93.97
    Was: AU $101.04was AU $101.04
    AU $5.69 postage
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  • 203mm Spherical Primary Mirror Newtonian reflection astronomical telescope F750 - image 1 of 4

    203mm Spherical Primary Mirror Newtonian reflection astronomical telescope F750

    Brand new · Unbranded
    AU $45.45 to AU $203.75
    AU $5.69 postage
    5 watching
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  • Short Axis 75/95/100mm Secondary Flat Mirror DIY Newtonian Reflecting Telescope - image 1 of 4

    Short Axis 75/95/100mm Secondary Flat Mirror DIY Newtonian Reflecting Telescope

    Brand new · Unbranded
    AU $85.85 to AU $183.10
    Was: AU $196.88was AU $196.88
    AU $5.69 postage
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  • Diagonal Eyepiece Total Station Diagonal Eyepiece Quick Installation High - image 1 of 4

    New listingDiagonal Eyepiece Total Station Diagonal Eyepiece Quick Installation High

    Brand new · Unbranded
    AU $123.69
    or Best Offer
    Free postage
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  • Raw Glass Blank Mirror DIY Newtonian Reflection Telescope K9 Glass 305/356/410mm - image 1 of 4

    Raw Glass Blank Mirror DIY Newtonian Reflection Telescope K9 Glass 305/356/410mm

    Brand new · Unbranded
    AU $145.57 to AU $481.63
    Was: AU $740.97was AU $740.97
    AU $107.78 postage
    28 watching
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  • DIY Newtonian Reflection Telescope Parabolic Primary Mirror 100mm Focal 400mm - image 1 of 4

    DIY Newtonian Reflection Telescope Parabolic Primary Mirror 100mm Focal 400mm

    Brand new · Unbranded
    AU $166.09
    Free postage
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  • Parabolic Primary Mirror Newtonian Reflection Telescope Mirror 203mm Focal 800mm - image 1 of 4

    Parabolic Primary Mirror Newtonian Reflection Telescope Mirror 203mm Focal 800mm

    Brand new · Unbranded
    AU $403.90
    Was: AU $425.15was AU $425.15
    Free postage
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  • Prism 10 Degree 40mm Wedge Optical Glass Block Right-Angle Physics Teaching Tool - image 1 of 4

    Prism 10 Degree 40mm Wedge Optical Glass Block Right-Angle Physics Teaching Tool

    Brand new · Unbranded
    AU $114.86
    AU $5.49 postage
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  • 203F1600mm Parabolic Primary Mirror Newtonian Reflection Astronomical Telescope  - image 1 of 4

    203F1600mm Parabolic Primary Mirror Newtonian Reflection Astronomical Telescope

    Brand new · Unbranded
    AU $336.60
    Free postage
    13 watching
    S⁣J⁣р⁣o⁣U⁣n⁣ ⁣N⁣s⁣4⁣ ⁣Q⁣o⁣M⁣r⁣ ⁣N⁣e⁣d⁣A⁣ ⁣Y⁣S⁣⁣⁣ ⁣⁣⁣
  • 5pcs Dust Caps & Dust Plugs For 1.25'' Mount Eyepieces Telescope & Focusers - image 1 of 4

    5pcs Dust Caps & Dust Plugs For 1.25'' Mount Eyepieces Telescope & Focusers

    Brand new · Unbranded
    AU $12.38
    Was: AU $13.46was AU $13.46
    AU $5.69 postage
    20 sold
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  • 28mm Short Axis Secondary Mirror DIY Newtonian Reflecting Astronomical Telescope - image 1 of 4

    28mm Short Axis Secondary Mirror DIY Newtonian Reflecting Astronomical Telescope

    Brand new · Unbranded
    AU $26.93
    or Best Offer
    AU $5.69 postage
    4 watching
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    AU $152.61
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    7 watching
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    Was: AU $70.73was AU $70.73
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    10 watching
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    AU $387.31
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    3 watching
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    203mm Spherical Mirror Lens f Newtonian Reflection Astronomical Telescope F1600

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    Newton Reflecting Telescope Parabolic Primary Mirror 130mm Focal Length 650mm

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    AU $220.59
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    Newtonian Reflection Astronomical Telescope Spherical Mirror 102mm Focal 700mm

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    AU $59.02
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    15 sold
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    Mirror Blank for Telescope 4.5”Dia. -1/2”Thick

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    Newtonian Reflecting Telescope Primary Mirror Holder Mirror Base

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    2 watching
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  • 76-203mm 3D Newtonian Reflecting Telescope Primary Mirror Sub Mirror Holder - image 1 of 4

    76-203mm 3D Newtonian Reflecting Telescope Primary Mirror Sub Mirror Holder

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