Quote:
Originally Posted by N1
Bill, while I quite like your review and would consider it valuable to anyone considering these EPs, I respectfully disagree with your chair/stool analogy. I can't see how ER and AFOV could possibly be of the same importance as optical performance. Rather, I'd class the latter as the legs and seat of the chair, with eye relief and apparent field of view corresponding to things like armrests, padding, heating coils in the seat, social media connectivity of the seat and so on - you get the idea. Omit optical performance and the whole thing is all but useless. The same is not true for the other two things.
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Not that I want to get into any debates but I tend to agree with this metaphor as a better depiction of the differing variables relevance. Additionally, factors such as AFOV and ER are not purely related to eyepieces. Barlows improve ER on some EPS and fov is also dependent on the fl of your instrument. The Takahashi FS-60 and Televue-TV60 give fantastic widefield views with simple plossls due to their short focal lengths