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Upgrade a Pentax 65 scope?
A few days ago I found this out with my straight scope PF-65ED II. Delos 10mm compared to Morpheus 12,5mm indoors in a corridor: The loss of sharpness was obvious and MAYBE I could see VERY VERY marginally more details due to the higher magnification. And that at the expense of brightness and... -
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Upgrade a Pentax 65 scope?
I know there are high quality amici prisms, but I have only tried cheap models and they worsened the sharpness significantly compared to cheap 90deg prism. My thought is: if Televue is just slightly better than Baader, that combined with 10% lower magnification(than with Morpheus 9mm, which... -
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Upgrade a Pentax 65 scope?
I think that the correct image prisms used in spottingscopes and binoculars set a limit far before mirror diagonals in astronomical telescopes. But I just ordered a Televue Delos 10mm. I will give my report of my impression when I get it. -
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Upgrade a Pentax 65 scope?
Actually this makes me wanting to find out if I can get a noticeable improvement with a more expensive eyepiece. Televue Delos series has 72deg AFOV and is very similar to Baader Morpheus. 10mm gives 39x and 8mm 49x. Will Televue raise the limit for magnification with remained sharpness? I have... -
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Upgrade a Pentax 65 scope?
I have used PF 65ED for stargazing and it works good at moderate magnifications. The Plejades pretty much exactly fills up the entire FOV with 12,5mm Morpheus at 31x. That's an awesome view! I have tried it with higher power but the result is not so good. Once I tried with 9mm Morpheus(43x) but...