Current Price: $27.95
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Diagonal (90°/ 90 Degree) Mirror Diagonal (1.25″) for Telescope OZ SHIPPING FEEDBACK

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DELIVERY      

  • Delivery within Australia: Delivery via Australia Post or Courier (when economical)
  • Greased Lightning Handling Time: Order before 2PM AEST, and we ship same day! (Mon-Fri)
  • Fast International Delivery Times : See Item Specific Postage Cost

WHY US

We are an Astronomy Store with a sense of humor and a smile. 

We are the kind of company that gives out delicious ASTROid Jelly Beans and Discount Codes - not just Business Cards - with every order.  We are the kind of company that loves our customers and want you coming back again and again! 

Astro Dog is a registered Australian Business operating out of Brisbane. 

We make every effort to ensure that your delighted.  We take great care when packaging your item so that you get it in perfect condition. 

Something wrong? You are covered by Astro's 30 day Return Policy (see " Return")  We are here to help you!

  GALLERY                      DESCRIPTION These extremely popular 1.25" mirror diagonals impressed with the quality metal build and fine machining.  Don't put up with a terrible diagonal a minute longer!

Why a Mirror Diagonal?:

  • Mirror diagonals are preferred for faster focal ratios – Prisms can introduce false color if used with fast focal ratios (e.g. f/4.5) and also introduce astigmatism.  While mirror diagonals have more scatter than prisms, mirrors tend to be brighter and sharper.  The mirror version also has a longer optical path, meaning that if you can’t rake out the focuser far enough to reach focus, a mirror diagonal may help.

Details:

•1.25″ 90 Degree Mirror Diagonal
•Simple and Effective Design for improved viewing comfort
•Blackened, strong stray light control
•Superb reflectivity (99%+!)
•Enhanced Dielectric Enhanced Aluminium Mirror
•These are also multicoated for superb performance
•Solid, well machined, factory collimated
•These are genuinely shipped from our Brisbane warehouse – delivery within days!

Are these good?

Yes!  These mirror diagonals have had several dielectric coatings are added to both protect the surface, and also increase reflectance of the mirror by several percent over what can be achieved with only a protected SiO or MgF2 overcoat.  These are harder, and have superior reflectivity compared to enhanced silver mirrors.  Our customers love these.  We are confident you will too.

What's unique about your order:

  • We ship from Brisbane - Not China

  • Quality Control - Every item is checked.  Everything is working, complete, in perfect condition before we send it. 

  • We securely pack it - you will not get this item delivered in a flimsy post bag like our competitors.  It comes in a strong box, has void filling and will arrive in perfect condition (well unless Australia Post messes up completely, which has never happened yet!)

 

Astro Has Lots of Other Astronomy Accessories Your Looking For - See Our Best Sellers Below

With Fast Shipping On Every Item, Free Jelly Beans and 30 day returns, Why Not?

Payment Return PAY YOUR WAY

We accept PayPal and all Major Credit Cards.  Immediate Payment is Required.

  30 Day Returns

Customers are eligible for 30 day returns on all products except Telescopes.  You must return the item in its original packaging and in the same condition as when you received the item.  If you don't follow eBay's item condition policy for returns, you may not receive a full refund. 

You are protected by Australian Consumer Law - You will obtain a full refund if the goods purchased are faulty, not fit for purpose, or do not match our description.

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ABOUT ASTRO DOG

Established in 2018, Astro Dog is Australia's Online Astronomy Store.  

FAST AUSTRALIAN AND INTERNATIONAL DELIVERY

Usually just 10 Days to USA, THAILAND, GERMANY and JAPAN and more

PACKED, CRUSH RESISTANT PACKING

Do you have questions? Contact Us

THE ASTRO DOG DIFFERENCE

  • No Stuffing Around - We get your item posted quicksmart!
  • Tracking Number Issued for Each Item
  • Accurate Item Descriptions - You get what you see.
  • ASTROid Jelly Beans and Discount Codes with every order!

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© ASTRO DOG ABN : 99 627 185 499

Filed under: Eyepieces & Accessories