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Baader  Classic Ortho 18mm Eyepiece

(HT - High Transmission Multi-Coated) OZ SHIPPING

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• Delivery within Australia: Delivery via Australia Post or Courier (when economical)
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We are a genuine Astronomy Store - not a random ebay seller - with a sense of humor and a smile.

You can call us and talk to us if there's a problem or you need a hand.  You know who your dealing with and we consistently deliver superb service.  We have crazy fast delivery times (check our feedback!). 

We are the kind of company that will have you coming back again and again! 

Astro Dog is a registered Australian Business operating out of Brisbane. ABN: 99 627 185 499.  See our official website for more details.

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

 

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DESCRIPTION

Do YOU Ortho?

What are Abbe Ortho's? 

20 years after Plossl's were invented, Zeiss optical designer Ernst Abbe invented a four element eyepiece with a 42 degree apparent field.  They are harder to manufacture than a Plossl, and are far better suited to doing the detailed, high magnification tasks you crave.  It's also superb at teasing out the fine details other eyepieces just miss. 

How good are Ortho's exactly? 

Many amateur astronomers consider the Abbe Orthoscopic range of eyepieces the very best for planetary observing.  Baader Planetarium in Germany have designed these outstanding modern versions using the classic original Zeiss optical designs, and used the best modern coatings to create an outstanding eyepiece range. 

Baader have opened up the field stop on these to allow a 52 degree field of view to make objects easier to find.  When an object appears, center it in the middle within the 42 degree field to get a spectacular, crisp view. 

We suspect you will want to get the whole set.  You can try one for now (we have the 6mm, 10mm and 18mm ones available) and we think you will be back for the lot.  If your feeling as certain as we are that you want the lot, you can also buy the set (the 6mm, 10mm and 18mm design) and save - not that this eyepiece is expensive in the first place!

I want to know more..

HT-MC-coated

Parfocal eyepieces with a very high transmission, very good contrast and thus a very clear field of view, free of distortions. The multi-coating eliminates almost all internal reflections. The eyepieces provide 50° apparent field (6/10/18mm Ortho), sharp field stops and excellent ergonomics for comfortable observing.

Classic optical design of orthoscopic eyepieces

The lens assembly consists of a triplet-element and one plano-convex eye lens, so there are only four glass-air-surfaces. The interior has been blackened for a very good suppression of stray light. Of course, the hard anodised barrel has got a filter thread.

Looking into the eyepieces, you’ll see the effect of the anti-reflection-coating and the blackened lens edges. The coating is so good that it seems like there are no lenses at all! On our optical bench, we couldn’t find any disadvantages compared to so-called “planetary eyepieces” which cost five times more.

The eyepieces use the same glasses and the same optical design as the old orthoscopic Zeiss Jena eyepieces!

Can I make these more powerful? 

Did you know you can make this eyepiece more powerful later?  You can add the optional Baader QBarlow from our store.  This barlow will provide you with a 1.3x and a 2.25x magnification boost to the three eyepieces.  We've mapped that down for you.  (Lower numbers mean stronger magnification)

	Original Eyepiece (x1)	Q Barlow x1.3	Q Barlow x2.25
	6mm	4.6mm	2.7mm
	10mm	7.7mm	4.4mm
	18mm	13.8mm	8.0mm

 

What's the easiest way to use all of them at the same time? 

Well, you can switch them in and out of your eyepiece, but there is a better way.  These are fully compatible with the QTurret - which means you can put four eyepieces in (These three, plus another, perhaps a nice 32mm widefield Plossl) and rotate the turret to easily switch between desirable magnifications. 

So go ahead!  It all starts with an Abbe Ortho!

Detailed Specifications:

• Baader Classic Ortho 18mm 1¼”  Eyepiece , apparent field of view 52°, incl. winged rubber eyecup
• Parfocal  Eyepiece   series with very high transmission
• 4/2 Lens Elements / Groups
• 52 Degree Field of View (A classic Ortho is 42 degrees, really, this one is as well, but Baader extended the field stop to make finding easier and let you move it into the sharp 42 degree zone)
• 15mm  Eye Relief
• 16.8mm Field Stop
• 55mm in Height
• Just 81 grams!
• This  eyepiece   delivers a pure-white image with outstanding sharpness and contrast
• True High-Transmission- (HT) Multi-Coating (MC) on all glass-air-surfaces offer a brilliant image while showing almost no reflection

 

We are the Baader Exclusive Abbe Ortho Retailer in Australia.  Enjoy your eyepiece!

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?

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30 Day Returns

You are covered by Astro’s 30 day “Cold Feet ” Return Policy .  If you change your mind for any reason (“Cold Feet”), or the product arrives and your not as excited as the day you bought it, you may return it unused and unopened within 30 days of arrival for a full refund or store credit – no questions asked. In this case, products need to be unopened in perfect resalable condition and you look after freight back to us.  

If you want to return something under our “Cold Feet ” Return policy, but you’ve opened it and used it, as long as it is still in perfect resalable condition, you can send it back anyway.  In this case, we’ll just deduct a 15% restocking fee and apply it as a discount to the next customer, who will buy it as a used / discount item.  We won’t take a cent.  Isn’t that nice?

 

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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