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open and cleaning the Planar 2/50
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PostPosted: Fri May 15, 2020 2:32 pm    Post subject: open and cleaning the Planar 2/50 Reply with quote

my Zeiss contarex planar need to be open for cleaning its glasses: the procedure was
1) unscrew the outer black ring (red arrow on fig 1 and 2), then the DOF ring can be removed (blue arrow on fig 1 and 2).

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2) unscrew the inner alloy ring (green arrow on fig 2) to separate the whole optics block from the focus helicoid (fig 3_a).

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3) remove the Zeiss planar ring to clean the outer optic element (fig 4 and 5).


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4) if necessary you can unscrew the inner ring to access the entire optics elements for cleaning.
5) remount the optic element and then this to the helicoid aligning the diaphragm lever in the right position
(red arrows on fig 6)

#6


Last edited by gi0rgi0ba on Fri May 15, 2020 7:12 pm; edited 1 time in total


PostPosted: Fri May 15, 2020 4:42 pm    Post subject: Reply with quote

Thank you for sharing. It is so refreshing to see a modern lens produced with traditional mechanics, rather than some of the monstrosities of modern manufacturing that some autofocus lenses are. Nice and simple! No unnecessary glues or special screws or fittings, all just made to be assembled by hand. Like 1 small

Last edited by Teemō on Fri May 15, 2020 9:08 pm; edited 1 time in total


PostPosted: Fri May 15, 2020 8:30 pm    Post subject: Reply with quote

Like 1 Like 1 Thank you! Whoo Turtle


PostPosted: Thu May 16, 2024 2:50 pm    Post subject: Re: open and cleaning the Planar 2/50 Reply with quote

[quote="gi0rgi0ba"]my Zeiss contarex planar need to be open for cleaning its glasses: the procedure was
1) unscrew the outer black ring (red arrow on fig 1 and 2), then the DOF ring can be removed (blue arrow on fig 1 and 2).

#1

]

How did you unscrew the outer black ring ... I have a 50 f2 that i opened from behind and could not put them back. I need to open that retainer black ring that you showed here.