Concave Lens VS Convex - Are the Rumors True? Canon FD 35mm f2

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A rumour (British English), or rumor (American English; see spelling differences; derived from Latin: 'rumorem' - noise), is "a tall tale of explanations of events circulating from person to person and pertaining to an object, event, or issue in public concern
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Concave Lens VS Convex - Are the Rumors True? Canon FD 35mm f2
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[@calahad]

So the concave version was basically a taste of the future, a glimpse into what was was to come quality-wise but ultimately too pricey to keep as a feature in every other fd and nfd lens that followed.

[@janpersson9100]

I bought the Canon 35 f2 concave, black nose, last year. I compared it to two versions of Leica R 35 summicrons, and my conclusion was that the Canon lens was one level above the Leica R in terms of contrast and sharpness, and that was true for aperatures from 2 to 5.6 (the range I tested). The difference was striking. Due to the thorium content of the Canon lens, a heavy wight balance correction is needed (difference ca 1000 K against the Leica R lenses).

[@StephenStrangways]

In the close-up test shots, it looks to me that the convex version has more spherical aberration, not chromatic aberration. Spherical aberration didn't matter as much on film as it does on modern high-resolution digital sensors. It's the "glowy" look that happens right at the focus plane.

[@DuncanDimanche-sreview]

yeah not a fan of that glowy look...

[@djchips]

Close up test shots can also greatly magnify aberrations for non-macro lenses. At normal (further) differences both lenses seemed to perform very similar, at least when viewed at 100%. I'm sure the pixel peeper could pick the two apart, but given how these lenses degrade over the years due to their construction, comparison tests might not be entirely representative of their true potential.

[@pioni2]

I have both and bought the concave only a couple of months ago, after owning the convex for almost a decade. I'm glad I bought it as it is my favourite 35mm SLR lens.

[@morpheus6330]

I bought a canon concave lens ysterday for 30 bucks from a thrift store and tried to find a video like this. Thaaaaank you i love you

[@mauriceschoenen]

Wow!

[@simoneaves9941]

now THAT is a bargain, well done!

[@lmckay8881]

As always, informative and fun! Thanks Mathieu!

[@campbells0ups]

how does it compare to the EF 35 F/2? the old one. that lens is on my wish list

[@abbycasanova1380]

i have a nikkor s 35mm f2.8 still sharp until now. please try to compare this to canon fd 35mm concave lens. let's see the difference.

[@themanfromoregon6047]

Very curious. I was talking to someone else with these exact same copies and he said his SSC F/22 was sharper wide open...

[@samwood7806]

Glad you liked my lens!

[@MathieuStern]

Yes Thanks a lot San for your help !

[@wandiloch]

I have a couple of lenses with a concave front element, the canon m 22mm and the zeiss milvus 50mm ze. They are both excellent and sharp lenses. Also the famous zeiss ultron 50mm has a concave front element. I think the concave front element can suck in flares, but I'm not sure.

[@samsen3965]

Good to have you, Dear Mathieu. VERY VERY GOOD.🙏👌

[@antontaranenko8824]

Both lenses are nice looking for cinematic use. But for stills I personally would go for sharper one, as 35mm would be mostly for landscapes ;)

[@herrreinsch]

one does not buy a vintage lens and care about sharpness, we want "that feel" in the image.:)

[@themanfromoregon6047]

Except that the price for the concaves has shot up dramatically...

[@Jeff-zc6rr]

I'm sorry,, which one is the concave vs the convex. How do you tell?

[@VideoCameron]

Thanks for making this Mathieu, I own both and I agree. There's very similar and the Convex is good enough for me. I have a concave for sale on ebay if anything is after one!

[@mhaustria]

Great video! It would be interesting to see the difference to th two newer 35mm 1.4 versions.

[@MrShanePhoto]

Beautiful lenses. Great video as usual. Media Division are fantastic too. Love gheir videos

[@hwood310]

I agree. I have both and they are virtually impossible to tell apart. The 28mm f2 ssc is just the same, and identical close-focus though the lens mafia in Japan is as always pumping up the price on this wider version of the 35mm. Anyone want an FD 24mm 1.4 asph? Will list on ebay shortly... Great vid as always...H

[@hwood310]

I posted a lengthy reply to you about the Japanese- parts/lens switching crooks but youtube censored it. Lol. Wtf. I'll reply again later lol; did you get the actual reply?

[@julianrodriguez661]

I have this lens. I use it with my nex-6 sony. I have sold most all my equipment and bought other camera stuff but will never let this lens go.

[@vangstr]

After watching the video I am still wondering which is convex and which is concave???? Clearly there’s a difference in images but what about aesthetically?? Thanks

[@slr7075]

Pretty soon theses lenses are going up in prices. For example, the FD 28mm F2 SSC is going for HUGE money now!

[@rogerb5615]

The concave (some folks in Japan call it the "Type O") has been priced at about 3X the price of the convex for many months already. The convex has a mystique and some of that might be due simply to the uncommon-ness of the design.

[@gurhanpekuz1813]

May be the legend is about the imperfections and as a result the old cinematic look ?

[@cesarporrello164]

I bought my convex for $20 2 years ago, a bit ugly looking but I cleaned it up and removed a stuck filter and now it is my favorite lens I think, at f2 it has a kind of built-in Black Pro Mist xD

[@CocoKoi321]

huh??

[@stephanerobert7321]

Bonjour Mathieu, Si j'ai bien compris la version concave est aussi nommée " Chrome nose " ?

[@MathieuStern]

Oui c’est bien ça mais surtout il faut vérifier si c’est un f16 maximum

[@stephanerobert7321]

@@MathieuStern merci beaucoup de ta réponse. Je tenais à te féliciter pour ton travail. C'est un contenu relativement rare. On peut sentir ta passion pour la photographie... "Ressusciter" des optiques anciennes, c'est un peu comme remonter le temps avec toute la poésie présente à chaque époque. Ce sont plus que des objets. Je les perçois plus comme des témoins d'un temps dont chaque parti pris est un révélateur de l'état d'esprit de la société qui les a fait naître.

[@zerlionngo395]

How does this compare to the Konica 35 f2 Mathieu? Thank you

[@MathieuStern]

the Konica is a lil less sharp wide open, the Concave FD is sharper for sure

[@zerlionngo395]

@@MathieuStern thank you so much!

[@Joshwaa_s]

I already have a chrome nose - watched this just to feel better about my choice 😂 Got my eyes on a 20mm 2.8 next.. (both mainly for film photo use!)

[@SteveWB]

So amazing and such an amazing lens! I have a G9 and still struggle lol trying to get that cinematic look

[@robetus]

The lenses and your grades remind me of the old 35mm slides, beautifully unsharp and colored.

[@flamy111]

Very informative video! I have Canon nFD 28mm f/2.8, which works out as a very nice 40mm on M43 with a speedbooster, but I'm annoyed by the amount of chromatic aberration of this lens produces when shooting at night. How good 35mm f/2 in that regard?

[@hwood310]

Just get the 35f2 already....

[@mrotaveria]

both are a bit "glowy" right? not that I am against it, it gives an organic character to the image

[@luanrobertoroberto7182]

Sensacional…excelente vídeo

[@CommentRodent]

Hey, I'm here early. Lol. I love the Canon FD lenses, I've always wanted a good one but I'm broke. XD

[@rc-wingman5719]

What do you think about the biotar 75mm f1.5?

[@pablo.basulto]

Excelente video 👍

[@jordanthomasmitchell]

I think the Convex nFD lens looks better overall and it's not because of the glass - it's the coating. The coatings on the nFD series have a more modern, high-contrast punch and I find that this is true over the entire line of FD lenses. There are definitely older bayonet-mount lens designs and builds which contain better elements, but the coatings are much of what determine the color reproduction of a lens. The nFD L lenses no doubt have the best coatings.

[@nicholastaylor8061]

The NFD and the FD s.s.c. have the exact same coating.

[@AlbertKarhuFilms]

thats what ive heard too..

[@DJBastor]

thx for the explanation :)

[@bobovsqii]

Love canon FD, I have one FD 28 2.8

[@szymondzieciuchowicz3774]

Aaand prices skyrocket again

[@CenturyOfCid]

Starting to smell like price fixing tbh

[@Sup90210]

You can still get the optically identical chrome nose version at good prices.

[@giordanostramare]

Yes for 99% will be no difference but you know it and that orange color on the front element is going to make you take better picture for sure.

[@wh0tube]

c'est un mythe et improuvable mon ami 😁👍

[@Martin_Siegel]

La netteté est un concept bourgeois quand même 😉

[@AmebaFilms]

Nice :)

[@rogerb5615]

Remarkable bokeh for a 35mm focal length lens.

[@fakenodata1548]

Concave is sharper, but convex has a smoother bokeh.

[@csongorawot6428]

I like cheese

[@gangadharmukherjee8362]

उततम

[@stefoboss998]

Yesterday at a thrift store, I found a Canon FD 35mm f2.0 SSC (1973) for $10 US. Really looking forward to it, and it's worrying radiation. 🥲