Nikkor-H 300mm f/4.5 : Haze removal

Hello friends,
Today we repair a Nikon Nikkor-H which has a bit of haze.
Keywords:
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(below some affiliate links to the tools I used)
Rubber cones: amzn.to/3e1vSOB
Lens spanner: amzn.to/2YTCPgy
Optical cleaning paper: amzn.to/3isIF09
Lens scope converter repair:
• Nikon Lens scope conve...
Nikkor 28 f/2:
• Nikkor 28 : comparison
Lens repair tools:
• Lens repair tools

[@swoolverton]

good use for an iPhone 3

[@diyextravaganza]

lol, I still use it for music too.

[@TR6Telos]

After cleaning point the lens at the sun for a hour or so, or use a UVC light bulb shining for a while down the optics, fungi dont like this, (in a controlled way as UVC will harm you).

[@diyextravaganza]

I disagree, UVC does not penetrate into glass, you're putting yourself in danger for nothing. UV does not penetrate far into glass, it is actually the heat from the sun that kills fungus, which like all yeasts die above 50C. Cheers.

[@kongnadian886]

Very detailed video. I got one of this for ~$35USD with fungus on the real element. Alcohol and lighter fluid have cleaned most of it but not all. What would you suggest to clean the lens with? or I just need to soak it for longer?

[@diyextravaganza]

this is what I use ua-cam.com/video/_pwzAvGSdD0/v-deo.html. Cheers.

[@MattSchulze]

What size screwdriver did you use to take out that tiny screw that holds the optics to the focusing part? Is is a Philips or a tiny slot driver?

[@diyextravaganza]

Hello, slot screwdriver, 1.2mm wide, cheers.

[@toforbiddenshores]

I have this lens but I cant focus beyond 50m ,so no infinity focus, can you give me some advice is there some focus limiter to move , I have tired on 2 body's Nikon D3200 and Fuji XT-1 with adapter AI-FX but its the same

[@diyextravaganza]

Hello, you mean you cannot move physically the focusing ring beyond 50m or you can reach infinity (with the ring) but not optically?

[@toforbiddenshores]

@@diyextravaganza I can move freely focusing ring but it cannot reach infinity optically

[@toforbiddenshores]

I opened the lens but didn't find way how to shorten focal flange to get infinity ,maybe ai to eos-fx adapter will work

[@diyextravaganza]

@@toforbiddenshores what is surprising is that you say it does not work on a nikon camera either. Two options, maybe you're missing a bit on the flange distance, or the focusing part is slightly misaligned. You can probably go to the group lens repair on facebook and ask around too.

[@toforbiddenshores]

​@@diyextravaganza Hello again! I did find what was reason not reaching infinity.. , Misaligned top front element!, Solution was simple I just adjusted the element lightly it not need to be pushed because it can not be easy taken out after, it did take me time to find the reason opening the lens, cleaning elements, playing wit helicoid i even tried with back element reversed and all search on internet and forums ..but after all Success! :))

[@creepyoldhouseexplorersclub]

You have a bell?

[@diyextravaganza]

I don't have a bell. Why do you ask? Best.

[@creepyoldhouseexplorersclub]

@@diyextravaganza listen to the soundtrack

[@diyextravaganza]

ahhhhhhhh that, I live near a church

[@flossam327]

i need some advice on mending this lens but the older version?

[@diyextravaganza]

What do you need to know, I'll help if I can

[@flossam327]

@@diyextravaganza i have taken the whole thing apart and put it all back together after cleaning. after doing this the zoom does not seam to line back up with markings on the side of the lens. i think it could be a grease problem but not sure. everything else is working fine.

[@diyextravaganza]

@@flossam327 do you manage to have focus at infinity?

[@flossam327]

@@diyextravaganza I'm just out on about 30/70

[@diyextravaganza]

@@flossam327 I don't know what that means

[@ashrafkhokhar8834]

You can use a baby's toothbrush with a sucker on the back

[@diyextravaganza]

True, great suggestion.