Radioactive Lenses - Why does Radiation make Beautiful pictures?
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- Опубликовано: 12 июл 2019
- Radioactive lenses and how using Thorium in the glass and how it effects refraction and dispersion to create amazing images. A look at the optics and physics of photography for showing how leaded glass and thoriated glass affect light. If you're interested in learning the science behind photography, this is for you!
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In this video I cover the topic of radioactive lenses and are radiactive lenses dangerous. Short answer is that they are not that dangerous but I discuss how the refraction of light is affected by thorium dioxide which is baked into the camera lens. Dispersion of light is also affected and in this video I showcase the Asahi Pentax Super Takumar 50mm 1.4. I also own the Pentax Super Takumar 55mm 1.8 which is similar to the f2.
These days lenses use lanthanum glass and Niobium instead of thorium oxide. There is a nice radioactive lens list online. Here it is:
Aesthetic photography videos about anime, cyberpunk, infrared and rain photography from Seoul, South Korea.
한국 서울에서 찍은 애니메이션, 사이버펑크, 인퍼레드, 비오는날 사진 촬영 비디오.
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실사와 튜토리얼로 배우는 사진
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모든 컨텐츠가 무료. 책장비, 작업장, 프리셋 광고 없음
I'm a street photographer in Seoul, South Korea.
서울 대한민국의 사진 작가입니다. 서울사진가.
My photography videos are mostly about street photography, cyberpunk photography, and night photography in Seoul, South Korea.
내 비디오는 한국에서의 사진과 나의 삶에 관한 것이다. 사진찍기좋은곳.
#photography #radioactivelenses #radioactive #thorium #physics 
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I bought a GMC 320+ Geiger Counter. I own these lenses:
Asahi Super-Multi-Coated Takumar 55mm f1.8 Radioactive
Asahi Super-Multi-Coated Takumar 35mm f2
Asahi Super-Multi-Coated Takumar 28mm f3.5
Asahi Super Takumar 50mm f1.4
Takumar Super multi coated 135mm f3.5
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FUJINON EBC SW 28mm f3.5
FUJINON 55mm f1.8
FUJINON 55mm f2.2
I have 3 vintage Takumar lenses that are radioactive.
Three of my Takumar lenses are radioactive.
One is 1550 CPM and the other 760 CPM. All on the back lens.
My Asahi Super Takumar 50mm f1.4 reads 2250 CPM on the back lens.
The rest of my vintage Takumar and FUJINON lenses have no CPM activity.
I bought these because they were radioactive. They are classic vintage lenses.
The CPMs really drop off fast as you move away from the lens.
At 2 inches with the cap off the back lens, the reading in around 165 CPM.
With the lens caps on and in an Olympus camera case I get about 100 CPM.
very nice colletion!
Certainly a new and interesting subject for a video! Good work!
I am glad you enjoyed it! I like making these strange topic videos that no one else covers : )
Brillant simplicity! Thank you
You're welcome!
Did not know anything about this topic, thanks for sharing :)
Sure thing! I like making vids about things that interest me and this is one of them : )
Excellent explanation Noealz, thank you
hope it comes of great use!
Love how you educate and teach people!! Very clear and no nonsense! Learned a lot through this video... and I feel bad that I had no idea what radioactive lenses were .. Such an interesting concept :)
haha no worries, I will make a video about two radioactive lenses that I have : )
Great explanation. Thank you sensei!
Sure thing! I aim to edify : )
Great explanation thank you!
Glad it was helpful!
Been following your twitter for a while (I love neon and your work is amazzzzing) but this is the first time on your channel. Will be going back and watching your vids!
Oh thanks for enjoying my work and videos : )
Very nice, I totally didn't know about radioactive lenses. Very clear explanation. Thanks
I wanna try one now 😅
You totally should, the images from them are amazing
Congrats on starting your channel! Great video and a BIG LIKE from me! Blessings to you! :)
thank you very much
I had no idea about these lenses, thanks for sharing the knowledge! It would have been nice to see some examples ;)
Sure thing, I am glad I could share some new things with you
excellent knowledge, thank you.
I hope you found it edifying ; )
@@Noealz you instructed me both morally and intellectually! I had to look it up. thank you, i do enjoy learning new words.
This is a really interesting topic, please do a follow up video on recommend len to look for
I believe I will! I love making videos on these topics that are hardly discussed : ) Plus I actually am keen on science related topics, so I wanted to make this one. My vid will be on two lenses that I own (one that I ordered recently once I have enough use with it)
Cracked up sheep bum rushing the lens is THE BEST description of light I've ever heard! 😂
Great video. I never knew anything about radioactive lenses. This really helped me understand them.
I am glad so, there's quite a few of them out there! Some of them render the light really beautifully, might be fun to check em out : )
Thanks for the excellent explanation about this topic. I always wondered, "How the vintage glasses make de colours much rich than modern mid rage glasses?" , and this explanation answer this question.
Glad it was helpful!
I think for the rest of my radioactive lenses I will not use aluminum foil, but use a flat mirror instead. A couple of us used aluminum foil. One of the guys scratched the back of the lens's coating with the foil in several places. I checked it out and i can't see a difference in the photos. Still, it didn't have to happen. Aluminum foil seems to be just a bit risky. A flat mirror would be safer and a better reflector, in my opinion. I feel we have an obligation in owning these vintage lenses to not do any harm.
thats a good idea!
Fantastic video. Very informative. Would have loved to see some actual photo examples or comparisons, in addition to the detailed explanation and infographics. But still great work. I really love the the range your videos have.
More so because it is a complex topic.
no worries friend, some examples coming in my next few videos where I'll cover two of my lenses, the Super takumar 55mm 1.8 and the Super takumar 50mm 1.4 - I made this video first so I could refer to them when I make the future video : )
I wanted to make it as easy as possible to understand
@@Noealz Oh ok, awesome. Looking forward to those.
Sure thing - I don't like gear review videos but these are like old lenses from the 60s I enjoy using. Plus they are around 30 bucks, plus I love them :3
THANKS ! AGAIN..
sure thing :)
Hey do you know if this thorium in the lenses can loosen and therefore distribute through dust and such and make other objects near it radioactive?
Dont think so! Unless you crack it
buen video!
muchas gracias siempre : )
Is the second late version Auto Takumar 55mm f1.8 radioactive? I've seen the list saying that the Auto Takumar 55mm f2.2 and 85mm f1.8 are not radioactive, but i'd like to know about the second late version Auto Takumar 55mm f1.8.
I wish I could tell you but I don't know - there are many version of it and I do know one of them is not radioactive but I am not sure which one it is :(
THANKS ! FOR U RESPONSE ..BY THE WAY WHAT IF IT WAS RADIOACTIVE , ANY COLOR DIFFERENCE WOULD BE INDICATING ?
color is not a good indicator, because some coatings are yellow and usually radioactive lenses are a little yellow. But as far as I know, there aren't any radioactive Russian lenses out there
Amazing description! Sheep and sheep dogs. 😂😂😂😂👏👏
I hope that helps people understand : )
@@Noealz It does.
I had no idea there were such lenses
Me too 😅
there are plenty, if you have some vintage lenses you might have one that is radioactive =p
haha don't worry they aren't dangerous : )
Do you take any precautions when storing your radioactive lenses? I have three
Asahi Super-Multi-Coated Takumar 55mm f1.8 750 CPM
Asahi Super-Multi-Coated Takumar 35mm f2 1850 CPM
My Asahi Super Takumar 50mm f1.4 reads 2250 CPM
A friend of mine started a company that built geiger counters.
She suggested that I take precautions when storing them together.
Oh I just keep them in a locker - nothing to worry about : )
Hi. Can you recommend any 90, 100 or 105mm 1:1 macro which is not radioactive?
Sorry but since I have never owned one of those, I cannot recommend something :/
I own a Takumar 135mm and it is not radioactive. If you are using a crop-frame sensor, then the effect of an 88mm can be achieved with a 55mm lens. It is 1.6 times the actual focal length like 55mm. I don't think the Russian lenses are radioactive. Go look around the Russian eBay sites. Make sure you get a SLR lens. The Jupiter 9 85mm f2 is a great lens.
HEY! SNOWEY!.. I HAVE A ZENIT TTL HELIOS -44 M 2/55 CAMERA , ITS FROM SOVIET ERA , CAN U SUGGEST A WAY TO CHECK IF ITS RADIOACTIVE ANYHOW WITHOUT USING ANY GEIGER COUNTER OR ANY DETECTOR AT HOME - RESPONSE ASAP!
It's not radioactive : )
Do you know anything about mirrorless cameras? I’m buying a Sony a7iii with a tamron lense. To start a side photography career. Any insight?
I don't know anything about the latest and greatest cameras - or modern lenses - but if I can shoot with my phone for 6 months, you can shoot with any camera : )
Noealz Photo hmmm okay. What about an older camera that will help recreate film camera feel?
@@Idek-ft4cy I don't really know well about other cameras. If you want to replicate the film camera feel I would suggest fuji cameras : ) or try an real film camera, they are really cheap and you can probably find a used one in vintage store
Noealz Photo i plan to travel Asia with it so getting stuff developed constantly would be a pain I think. I’ll check out the Fuji film models thanks man. Great content as always. Always leaving you a thumbs up
@@Idek-ft4cy my favorite is the xpro 2- but if you could hold out until the xpro3 - that would be awesome =p
do you know if helios 44-3 is radioactive?
It isnt :)
Radioactive lenses are way better, i will never again buy a lens without Thorium in the glass !!!!!
That's how we roll :3