Super weird, 35mm f1.8 2005 issues

[rob.nyc1]

I had a filter screwed onto this lens. When I went to unscrew the filter, the entire front element (where it says “W-Nikkor 1:1.8”) screwed off with the filter.

I immediately put it back on, should have taken a photo to document what I’m talking about.

Is this normal? Do I need to get the lens re-calibrated or something?

Next time I’ll be careful not to put the filter on too tight...although this seems like bizarre behavior.


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[Huss]

Stuff can unscrew. You screwed it back on so you're good. Next time hold onto the front of the lens as you unscrew the filter so it stays together.
I think my Leica Summicron 50 DR unscrews like that.

 

[rob.nyc1]

Stuff can unscrew. You screwed it back on so you're good. Next time hold onto the front of the lens as you unscrew the filter so it stays together.
I think my Leica Summicron 50 DR unscrews like that.

Yeah unfortunately there’s nothing to hold on to - there’s an outer aperture ring surrounding this part, with a few mm gap between the two.

https://kenrockwell.com/nikon/rangefinder/images/35mm-f18/D3S_7712-1200.jpg



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[B-9]

Totally fine.

My old 35/1.8 did the same thing. Just avoid screwing it all the way out and you will be right as rain when snugged back down.

 

[james.liam]

Wrong thread pitch on the filter?

 

[Erik van Straten]

My lens does it too. Just screw the part of the lens tight inwards so it stays put. Use a piece of rubber (innertube of a bicycle).


Erik.

 

[rob.nyc1]

My lens does it too. Just screw the part of the lens tight inwards so it stays put. Use a piece of rubber (innertube of a bicycle).


Erik.

Thanks to all who replied. Very reassuring.

Erik - how do you use an inner tube to grip it? Do you place it around the circumference, on top?


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[Erik van Straten]

You just cut a small piece of rubber from an old innertube of a bicycle, say 5cm x 5cm. When it is free from grease and talc powder, you can get a good grip with it on small metal parts. This tool is very often used by camera-repairmen to fasten or loosen small metal parts. You'll be surprised what you can do with a small piece of rubber.


In this case I would fold it around the ridge of the part that comes loose to rotate that part firmly back on its place. The rubber gives a good grip where your fingers will slip.



Erik.