These are the very first generation of Celestron Silvertops. All silver, orange engraved lettering and marked "Fully Coated". By contrast the second generation silvertops were all-silver with engraved orange lettering and marked "Multi-Coated"; and the third generation were silver bodies with black tops and red silkscreened lettering.
Some interesting tidbits about this collection:
- The 45mm and 36mm both have a round green JTII sticker. I estimate that this style of JTII sticker was only used in 1980 and 1981.
- The 36mm pill bottle is larger that the pill bottle used for all of the other silvertop eyepieces.
- The 45mm doesn't come with a pill bottle. None ever did.
- The 2x Deluxe Barlow is also marked "Fully Coated". I do not know if these were shipped with or without caps.
The Christmas Holidays have been consistently productive for adding to this set. The 36mm and 45mm were acquired last Christmas (thanks Steve, for my ghosts of Christmas past). The 26mm was acquired in July (thanks Ron, for Christmas in July). The Deluxe Barlow was this year's find (thanks Dave, for my Ghost of Christmas Present).
I'm still searching for the 17mm and 10mm versions. As best I can tell, Celestron only offered the 45mm, 36mm, 26mm, 17mm and 10mm in the very first run, most likely in 1981. Perhaps the 10mm and 17mm will be my Ghosts of Christmas Future!