[Tweeters] Digiscope attachment- Phoneskope

Chazz Hesselein chazz at hesselein.com
Fri Nov 10 16:19:03 PST 2023


Dear Martha and All,

I have owned a couple of phoneskopes for my Zeiss Diascope 85 t* fl
20-60x85 (purchased in 2005). The first one I bought worked very well, I
had no major complaints. The second one I bought fit the phone perfectly
but the eyepiece fitting did not fit very well on my my zoom eyepiece.
It would not seat flush with the top of the eyepiece and, once, when
removing the eyepiece after snugging it down for a "better" fit, I
removed the eye relief cup of the scope's eyepiece and had to send the
scope back to Ziess for repair. I tried to get another eyepiece fitting
providing Phoneskope precise measurements for both the diameter of the
top of the eyepiece and the maximum diameter where the eyepiece flared
due to the eye-relief cup. I believe the fit of the second eyepiece was
worse than the first. At that point I gave up on my Phoneskope as hand
holding my phone worked about as well, or poorly, as the Phoneskope. I
assume the problem is that Phoneskope no longer stocks eyepieces that
fit on my older scope.

Chazz Hesselein
Port Orchard, WA



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