5x Focal Extender 1.25-inch Barrel 4 Elements Compression ring
All parts covered while Focal Extender is under warranty
Most Helpful Customer Reviews
Solid construction and nice optics (I'm no expert, but I can see the Cassini division clearly enough). This Barlow lens does everything and more than i expected of it. It has been a great addition for planetary viewing, particularly for Saturn and Jupiter. I use it mostly with my 25mm Plossl (on an Orion 130ST EQ) which gives me good eye relief and magnfication equl to my 10mm plossl with the 2x Barlow. If I want to get even closer, I stack the 2x Barlow and 5x Barlow with the 25mm Plossl giving me about 260x magnificaiton. Nice crisp view of the moon's craters and deep star clusters too. Well worth the price. I'd buy from this company again.
I knew that 5x would dim the view , but I am desperate for maximum power for my short focal telescope which max out at 46x with 10mm EP. I am not disappointed with it as I use it chiefly to view planets and bright stars with around 3 magnitude or brighter which are bright enough to get thru. I forgot to mention our Moon as well as I have yet to test it and see if it can double up as a moon filter itself at same time give me much closer view. I wonder about how good the focus will be on the moon with my 102mm doublet refractor . It is kind of fun hopping from crater to crater with 230x !!
If I would have known about this brand, before I bought my Telescope I would have bought all the collection lenses I have now, but in their brand! The quality of lense is superb, very clear, well made. I like the detail of it. from now on, this is the only bran name lenses i will buy!
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