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This is one of the top 10 videos I've seen on this website, brilliant

Have you ever seen a person selling just the focusing helicoid (oem) for the Leitz projector lenses?

I have one :)

Up to what size can lenses be used with the Bellow in this way, as in variant 1? So how thin can it be minimum / maximum and how large can it be maximum? The same with the length, how long can a lens go to the back, theoretically the depth of the lens could also be 15cm?

You can explain this wonderfully, have you ever converted an old petzval / brass lens to an M42 lens? I would be very interested, especially with these sometimes huge lenses.

Thank you sir for a wonderful demo. I learnt something new and interesting today 😊

Hello there. I have a quick question about adapting lenses. It is a little of topic but would appreciate any suggestions. I am looking to buy an EF lens. but the Sony E version of the same one cost 200 dollars less. The only difference between them is that the Sony one has that barrel on the end, it is not a native Sony lens (Laowa 100mm f2.8) So would I be able to somehow remove that barrel piece and put a canon EF mount on the lens?

Excellent video-thank you very much! Managed to snag the lens mount and lens together for only $36. Was able to buy the adapters on Amazon and carefully hot glue the two together.

Great video! 🎉 Do you know the model name(s) of the old style projectors? Here in Sweden we have a lot of Leitz prado 150 projectors that look slightly similar to the one in your video but I have so far never seen the lens on those.

Please, I'm going crazy. I have searched for the Nikon k2 ring in my country. But the prices are prohibitive. Is there an equivalent clone ring that doesn't cost me an arm and a leg? I have the lens and the adapter for my mount but I don't know where to find a cheap one. :(

came to see the one in forum 😍

Check government surplus. Loads of cameras, lenses, projectors. I know it was our Money that paid for that stuff originally.

Thank you very much. I used an additional way and printed a 3D printed Adaptor for Pentax PK. I can focus to infinity. It does not work with M 42. You showed this.

So much great information! Thanks

does anyone know the image circle for a colorplan or super-colorplan lens? I'm wondering if these can be adapted for use in medium format projectors. I have a 6x6 liesegang fantax 600a projector I'd like to upgrade the lens to.

thank you

Very informative! Exactly what I needed to go ahead with my Diaplan purchase. Thanks for this upload.

Is it possible to add a new mount to a Vivitar 28mm Nikon 1 mount lens to an EF or EOS RF mount camera? The Nikon 1 was discontinued and I believe mirrorless but the Vivitar 28mm close focus 28mm f2.8 was vintage. I thought it just had to be Nikon F but it was not. Thanks.

Thank you ever so much for doing this series. I have inhereited a few C mount lenses, some of which really nice, Angenieux mainly and was scratching my head how I might use these with M4/3 cameras at 1080, especially my BlackMagic Pocket Original cine camera, which as a Super16 sized sensor. This gives me scope to experiment and see what happens.

Hi; I really appreciate your movies and I've learned a lot from you ... What lens on the "Pradovit Color 250" were you looking for ?

Nice bunch of videos on lens adapting. I wonder if the draw (flange distance) changes something for the adapting. Mirrorless cameras brands hawe their own distance but also different adapters, from normal to slim. I have several lenses, including some colorplan ones but I use helicoid for focusing and it's not going very well with Sony. I'm thinking about cutting the last part of the lenses, like you did with the Diaplan, to better manage focusing. The same goes for the 200mm Leitz Wetzelar, if I put only a space and the adapter, I don't have a good focusing even with its original tube. Something doesn't add up to me...

Just bought a Leitz colorplan 90mm today. I didn't know if it was a good buy... now I've only seen RUclips videos. And for the price of 7.50 euros it doesn't seem like a bad bet. I almost threw the projector away. because I don't think I need it anymore, but I'll take out the thing where the lens rotates... Thanks a lot for the info

Great video! Thank you!

Sold me, just purchased a colorplan - thank you for sharing your passion and knowledge.

Thanks for the info and nicely done,...

When I moved on from my Olympus OM-1 film camera to a Canon DSLR I tried adapting the old lenses I had accumulated for the Olympus. The telephoto lenses didn't work very well and I found the Canon DSLR lenses much better. The Olympus 50mm f/1.8 worked very well on the Canon as did a Tokina 28mm f/2.8 lens. Of course you have to go full manual with these but you can set the Canon to auto ISO, which helps quite a lot.

Thank you for letting us in you world, can’t stop watching your videos. Fatah from Paris France.

Another great video chocked full of useful information - thanks for making this!

Great information, thanks for sharing this!

Thank you for a great series, Very helpful and inspiring.

great advise...thanks

:o so much good advice and informaiton! Thank you!

Beautiful. Thank you!!

Hi, thanks a lot! One idea, if you've mounted a lens in reverse (13:30), you can also attach a macro extension tube in order to protect the rear lens element. Best wishes from Germany, Ralf

Very inspiring series of videos! I have one question about the Colorplan: when you disassemble it, how do you go about cleaning the lens elements? I got a slightly hazy specimen (might be fungus) but I am worried about damaging the coating. Did you ever try hydrogen peroxide on Colorplans? I previously had a *mint* newer-version Colorplan but I managed to destroy its coating by what I believe were superglue fumes (PSA...don't make my mistake), so I am quite traumatized already !

Where to buy OEM helicoid in #2? I just bought my 2nd diaplan project lens but with no helicoid. .. can you help? thenks

A lot of worthy, no priceless data here. Thank you & you're the Vintage-lens-Man. 9:24 Only I hope to never buy a lens from you guess it's clear what I'm gonna get for cheap! 😱😆😂🤣 Keep up the good work and needless to say, Thumbs up, you have a new subscriber and more (A new admirer).

Uv light is a good tip for killing fungi

The bokeh is really nice because it does not distort the background as many other lenses do. This makes it very usable. Thank you for the video!

Mr David sorry to bother you but I have a question. I have Samyang prime lenses with a Nikon F mount but I need to convert to PL. I was wondering if they are any options to convert. Thank you in advance 🤝

Very nice video! I was considering doing something similar for use with my recently purchased Kiev 88 focal plane shutter SLR. I have a set each of Kiev 88 and RZ 67 extension tubes and hope to adapt my Mamiya RZ 67 lenses for use with the Kiev 88 camera.

Great video mate, cheers from QLD Australia!

Sir! You are simply great!,, Thank you so much!!!

thanks, great vlog, best regards from Poland

Hi Very interesting, I wonder whether you can, if you’ve got some old lenses, could one actually just remove the mounts from those if lens is beyond repair and therefore you could remove and refit, eg I have a couple of Mamiya Sekor E lenses, that spring to mind and spent hours trying to find adapters, but there are none, not a fantastic fantastic lens but wondering if it may produce a surprise if repurposed. I’m not talking about doing it with them loads, but could you swap them over, is there anything to stop you doing that I’ll be interested on your opinion, again very very good information and I’m sure there’s a lot of people that have never ever heard of it, amazing really, it’s a bit like the chap who invented the windscreen wiper for the car and the British guy that invented the cats eyes in the roads, because he saw a cat one night and developed the Glass and they progressed since then, but it’s very very interesting, really is thank you very much indeed again. DG New Forest U.K. I shoot a lot of manual cameras anyway and have actually just purchased an Exata V Ihagee Dresden 1950 from USA and I’m looking forward to seeing what it’s like as well I have also picked up a couple of lens that need some attention but it all adds to life’s rich Tapestry.

Is the Portugal model inferior? i have found a very cheap one close to me. Also does the Front element have an internal thread? im guessing not. I would like top use one of these with an iscorama 54. i need to mount the colorplan at infinity and then use the iscorama to acheive focus.

Enjoyable once again Dave! Keep them coming.

Thanks for the useful video. I've ordered a Diaplan 80mm f3.5 a few days ago with the original focusing helicoid to adapt it easily to a M39-FX adapter. Did you try this 3.5 version, what do you think about it?

Thanks for the video. I am currently trying to print a mount with the 3d printer. I really like the solution with the helicoid adapter. Thank you for showing me.

Good info. At 08:15 you mention adapting a lens with step-up rings etc. by gluing fittings, but you don't explain how the lens attaches to your camera. It seems to lock perfectly in place when you turn it.