TTArtisan 50mm 0.95 review

[jaeger]

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8 hours ago, Harpomatic said:

but the rear element is badly scratched!!

oh boy! 

[satijntje]

vor 20 Stunden schrieb Harpomatic:

Thanks for the suggestion! The inside is clean, but the rear element is badly scratched!! And I saw it at first shining the light from the front. I then found that the rear surface of the rear element is all scratched. Sorry for the crappy picture, iPhone and enlarged...

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The inside of the lens barrel is clean for me as well, but the rear element...damn!

Back to China! Seller pays transport! (at least this is what they offered to me)

 

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[carbon_dragon]

On 8/30/2020 at 12:54 AM, XRayGuy said:

What an excellent review.  Thank you for taking the time to make it, and for sharing it with us.

I had the 7Artisans 50mm f/1.1 and it was junk.  Developed a rattle shortly after purchase and seemed to defocus spontaneously after that, and that experience has really soured me on these cheap lenses from China.  I think if one is looking to save money with a non-Leica alternative, Voigtlander is the best value proposition out there (and I enjoyed your VM 35mm review also, on that note).

Mine was good, very pretty, calibrated right on, and an interesting education for me. And that is the problem with Chinese manufacture these days. Same deal with wristwatches. But at $369 for the 50/1.1 I'm prepared to be tolerant. 

[250swb]

On 8/31/2020 at 3:52 PM, Harpomatic said:

Thanks for the suggestion! The inside is clean, but the rear element is badly scratched!! And I saw it at first shining the light from the front. I then found that the rear surface of the rear element is all scratched. Sorry for the crappy picture, iPhone and enlarged...

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The inside of the lens barrel is clean for me as well, but the rear element...damn!

That is bad, particularly as it takes a lot to scratch a modern coated lens. I hope you get it sorted out.

[Harpomatic]

On 9/1/2020 at 12:33 PM, satijntje said:

Back to China! Seller pays transport! (at least this is what they offered to me)

 

19 hours ago, 250swb said:

That is bad, particularly as it takes a lot to scratch a modern coated lens. I hope you get it sorted out.

Already sending it back, thanks. It's pretty impressive what kind of damage there is. I wonder how that happened?

[fotodude]

I purchased on recently and really enjoy the images, especially using it with my M8 set for black and white. I feel like I'm young again with Tri-X. 😉

[john1970]

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I purchased this lens from B&H and have tested it on my Leica M10.  It gives an interesting rendering albeit with some faults as the reviewers points out.  For me the greatest issues are the viewfinder blockage and the weight.  I much prefer the more compact 50 mm summilux for everyday use.  I will still keep the TTArtisans 50 mm f0.95 lens only because it is so inexpensive (relative to Leica lenses).  The other thing this lens taught me is large M mount lenses are not my preference.  

[Cowz]

I quite enjoy using this lens.... Only a few snaps so far, but promising if working within its limits.  Shot on a M10P wide open.  It's a honking big lens, but nothing overly exhausting lol 

 

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[jdlaing]

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[Cowz]

Boudoir noir.... M10P and TTArtisans 50mm f0.95

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[Cayenne]

On 8/29/2020 at 9:53 AM, Harpomatic said:

Ha...I did it again...what an idiot! 😅

https://www.47-degree.com/focus-shift/ttartisan-50mm-095-review

What are your thoughts on shooting this lens purely on a monochrom?

Would the chromatic aberrations be less of a problem since it is purely B&W or would that just result in softer/fuzzier images?

TIA,

cayenne

[Harpomatic]

1 hour ago, Cayenne said:

What are your thoughts on shooting this lens purely on a monochrom?

Would the chromatic aberrations be less of a problem since it is purely B&W or would that just result in softer/fuzzier images?

TIA,

cayenne

I really have no idea, but I would love to have someone knowledgeable on optics giving us a clue! I will look into this.

[Harpomatic]

22 hours ago, Cayenne said:

What are your thoughts on shooting this lens purely on a monochrom?

Would the chromatic aberrations be less of a problem since it is purely B&W or would that just result in softer/fuzzier images?

TIA,

cayenne

Having had a thought about it I would say that even in black and white the image will be degraded: even if you can’t see the different colours in B&W the light rays from a point will anyway not be focused on the same point on the sensor, thus robbing the image of clarity and precise detail. A better corrected lens will yield a much better defined detail in the picture. 

Anybody correct me if I’m wrong please!

[Raymondl]

1 hour ago, Harpomatic said:

Having had a thought about it I would say that even in black and white the image will be degraded: even if you can’t see the different colours in B&W the light rays from a point will anyway not be focused on the same point on the sensor, thus robbing the image of clarity and precise detail. A better corrected lens will yield a much better defined detail in the picture. 

Anybody correct me if I’m wrong please!

I am getting confused by this. 
 

CA - chromatic aberrations also appears on the Leica 50mm 0.95 noc (source -  https://jerrybei.com/reviews/tag/Noctilux)

it also appears on the 50mm summilux APSH (source - https://www.imaging-resource.com/lenses/leica/50mm-f1.4-summilux-m-asph./review/ noting that its minor)

if you want to avoid all forms of chromatic aberrations my suggestion is to use the LEICA 50mm APO  (source - https://www.leicaboutique-ce.com.au/leica-aposummicronm-50mm-f2-asph-lens)

Just for context. IMHO CA is a pain but it’s easily removed in digital, yes there is a drop in resolution but it’s something I can personally live with. 

[Raymondl]

@Cayenne I found this interesting article that discusses the relationship between f stop and aberrations. 
 

additionally it shows an example of 50mm 0.95 CA and monochrome examples, it’s a fairly long read but it’s quite detailed 

https://www.overgaard.dk/leica-50mm-APO-Summicron-M-ASPH-f-20.html

[Harpomatic]

1 hour ago, Raymondl said:

I am getting confused by this. 
 

CA - chromatic aberrations also appears on the Leica 50mm 0.95 noc (source -  https://jerrybei.com/reviews/tag/Noctilux)

it also appears on the 50mm summilux APSH (source - https://www.imaging-resource.com/lenses/leica/50mm-f1.4-summilux-m-asph./review/ noting that its minor)

if you want to avoid all forms of chromatic aberrations my suggestion is to use the LEICA 50mm APO  (source - https://www.leicaboutique-ce.com.au/leica-aposummicronm-50mm-f2-asph-lens)

Just for context. IMHO CA is a pain but it’s easily removed in digital, yes there is a drop in resolution but it’s something I can personally live with. 

Chromatic aberrations cannot be fully eliminated. Period. A perfect lens doesn’t exist. Apochromatic correction brings the aberrations to the lowest levels, but they will be there still.

The Summilux-M 50mm ASPH. is an APO design as well, and indeed shows really low chromatic aberrations.

The TTArtisan 50mm 0.95 is a chromatic aberrations festival, both lateral and longitudinal. 

Also, my understanding is that we shouldn’t confuse purple fringing with lateral chromatic aberrations: that is due to the sensor and very high contrast edges. The sharper the lens, the higher the purple fringing. But I might be wrong?

[Raymondl]

2 hours ago, Harpomatic said:

Chromatic aberrations cannot be fully eliminated. Period. A perfect lens doesn’t exist. Apochromatic correction brings the aberrations to the lowest levels, but they will be there still.

The Summilux-M 50mm ASPH. is an APO design as well, and indeed shows really low chromatic aberrations.

The TTArtisan 50mm 0.95 is a chromatic aberrations festival, both lateral and longitudinal. 

Also, my understanding is that we shouldn’t confuse purple fringing with lateral chromatic aberrations: that is due to the sensor and very high contrast edges. The sharper the lens, the higher the purple fringing. But I might be wrong?

I guess this is where it comes down to the price difference and the outcome of different optical tolerance . However to be fair to the TTartisans 50mm 0.95 in this review it provided some examples of different CA and it was considered “average” - https://phillipreeve.net/blog/review-ttartisan-50mm-0-95/#Chromatic_aberration maybe if you used to Leica APO standards it would be considered a “CA festival”.

Additionally it has been a good education/research piece for me ... I found a pretty good summary here of the different fringes 

 

For me personally CA/Purple fringes never really bothered me, I just fix it in post fairly quickly... my Zeiss (sonar, distagon) on my Sony FE has a fair amount of CA when shot wide open.. less so much than my Leica 50mm summicron (type 4) and 35mm summilux (preasph - f2)

Context - the thread was back in 2010 prior to Lightroom 4 release “color fringe correction tool” here it outlines some examples that we all know and love (great example as well) https://blogs.adobe.com/lightroomjournal/2012/04/new-color-fringe-correction-controls.html

[Harpomatic]

9 hours ago, Raymondl said:

maybe if you used to Leica APO standards it would be considered a “CA festival”.

I used a wide array of different lenses on different systems, and now I am spoiled by the general high quality of most recent lenses available for M mount.

The level of lateral chromatic aberrations on the TTArtisan 50mm 0.95 is very high. Far from average. It will show a lot less in wide open images because there is a lot less detail to show it. But if you want a bit more detail and you stop down you can really see it and it damages the image quality. 

I’m no pixel peeper, as I said in the review the images where it is really visible are jarring to my eye even in Lightroom with the full frame visible, tabs on all four sides. That will show in print also.

Purple fringing is a completely different matter. I think, from seeing the discussion in the thread you linked above, the reason why purple fringing is less visible on older lenses is because they are a lot less sharp and contrasty, thus diffusing the harshness of the transition from overexposed highlights to dark. In the case od the 50mm Lux Asph showing less of it compared to the Noctilux 0.95 it’s probably due to a much higher spherical and apochromatic correction wide open that limits the light spill to adjacent pixels somewhat. That is a guess though, I’m no expert.

Point is, in my opinion the TTArtisan 50mm 0.95 is poorly corrected for chromatic aberrations. Worse than average.

[Raymondl]

4 hours ago, Harpomatic said:

It will show a lot less in wide open images because there is a lot less detail to show it. But if you want a bit more detail and you stop down you can really see it and it damages the image quality. 

In my experience it’s always the inverse here. The CA is more prominent with you shoot wide open and usually reduces as you stop down to F8/11... and this what I have been taught anyhow reading online photography aids.

BUT I started looking for lens reviews where they measure CA, and I found a “vintage” lens, where interestingly it shows the centre reduces CA as you stop down (expected), however the  outer edges sees an increase in CA!

Example: https://www.ephotozine.com/article/yashica-auto-yashinon-5-5cm-f-1-8-vintage-lens-review-34311/performance

would be interesting to see the behaviour as you stop down for this lens. 

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[jdlaing]

Well. 
It’s well built. Very smooth in the focus helicoid. The engravings are clean and very well done. The aperture ring has very positive and smooth clicks. The body in general is nicely done. The ability to fine tune it to your individual rangefinder is a plus without having to send it half way around the world. The front lens cap is a work of art. It fits the mount on my camera perfectly and smoothly.

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