Len Lens Reflector
Len Lens Reflector
Which barlow lens should I buy?
I’m stuck between the Orion Shorty 2x, Shorty Plus 2x and the Celestron Deluxe 2x (#93507).
Is there any real difference between any of those 3? I’m using a Starblast 4.5 reflector.
I can’t find the Celestron Deluxe 2x (#93507) on their web site; the only Barlows they show are #93326 Omni 2x and #93506 Ultima 2x. These are probably identical to the Orion Shorty 2x and Orion Shorty Plus 2x respectively. The Ultima and Shorty Plus have excellent reputations as 3-element apochromatic Barlows; the Omni/Shorty are inexpensive 2-element Barlows of intermediate quantity. As I said in another answer, a long Barlow, if you can find one, would probably give better results in a Newtonian like yours. My second choice would be the Ultima/Shorty Plus. I have an Ultima myself and it is excellent. Third choice would be the Omni/Shorty: not first class, but similar in quality to the eyepieces which came with your scope.
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