Hi Geof
I suppose the difference is subjective, I can tell very slight differences between the two when I use them on diffuse objects, mind you, I do use the same TV eyepieces on both diagonals. I get, no light scatter with the TV, the Bintel has the slightest bit of light scatter, not enough to bother you but it is there all the same. The BinTel gives nice pin point stars across the FOV, the TV also does the same although I suspect the star colours are more evident. Looking at the moon, I detect a very slight amount of reflected light, I suspect this is because of slightly inferior blackening.
But, saying what I said above, I would doubt very much, that people would really be able to tell the difference unless they did a side by side test, the BinTel is, in my opinion, good value for the money, the TeleVue is just that slight amount better, my opinion only.
Cheers
JohnG
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