The 21 in the TSA gives you 43x and the 17 ethos gives you 53x. The exit pupils are 2.8 vs. 2.3. I ...
I don't have the Ethos to compare, but am very happy with the Astronomics 100 degree 20 and 13. They don't have as much eye relief as say the ...
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The 21 mm Ethos is one of my favorites. I bought one then thought I could replace it with a 31 mm Nagler so I sold the 21E. After about 6 months ...
For eyepieces it's better to use a geometrical series. ... Not even sure what a new 21mm Ethos goes for now a days, 1k? ... time. Did have a 13mm ...
I am just looking for advice, I am thinking of buying a 21mm Ethos eyepiece for my 10 inch f4.7 dobsonian telescope. Just wondering will the ...
I am a beginner at this hobby, less then 6 months in but I am having a great time learning and trying out new eyepieces and ideas generally.
I've been kicking around the idea of getting a 21mm Ethos EP for a couple of years. ... For me also, the 13 Ethos is my favorite and most used ...
The 21 mm Ethos is one of my favorites. I bought one then thought I could replace it with a 31 mm Nagler so I sold the 21E.
21 mm Ethos: 42% greater magnification. 30 mm APM: Extended objects are 2x brighter. Most of the time the Ethos is probably more effective but ...
Can I use the whole reach from the Ethos 21mm in a 1.25" diagonal? ... Anyone know how long ... In a peculiar sense, I almost hope they go off sale, ...