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Voigtlander 75mm f/1.9 Ultron Review

  
 
Fred Miranda
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p.6 #1 · p.6 #1 · Voigtlander 75mm f/1.9 Ultron Review


mark1958 wrote:
I am sorry Prism was the wrong word. What I mean-- the light coming into the rangefinder focus mirror mechanism is separate from the sensor. So if the light from the lens comes through the viewfinder --how would only a single lens mis-focus? I would think if one lens mis-focuses, the others would as well. I am just asking because i really do not know.


Hi Mark,
It can be perplexing, but it's crucial to account for two variables: RF misalignment and lens misalignment. In the case of the Voigtlander 75mm f/1.9 Ultron, a high precision lens, optimal resolution and contrast are achievable only when the camera and lens are perfectly aligned. Assuming the camera's rangefinder is correctly adjusted both horizontally and vertically, it's simple to check whether the lens is well-aligned by first focusing with the rangefinder and then with liveview (sensor). If the results are consistent, then the lens is well-adjusted.



Apr 10, 2023 at 08:51 PM
mark1958
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p.6 #2 · p.6 #2 · Voigtlander 75mm f/1.9 Ultron Review


ok good to know.. even if I do not totally understand mechanistically how this might happen.

Fred Miranda wrote:
Hi Mark,
It can be perplexing, but it's crucial to account for two variables: RF misalignment and lens misalignment. In the case of the Voigtlander 75mm f/1.9 Ultron, a high precision lens, optimal resolution and contrast are achievable only when the camera and lens are perfectly aligned. Assuming the camera's rangefinder is correctly adjusted both horizontally and vertically, it's simple to check whether the lens is well-aligned by first focusing with the rangefinder and then with liveview (sensor). If the results are consistent, then the lens is well-adjusted.





Apr 11, 2023 at 12:07 AM
highdesertmesa
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p.6 #3 · p.6 #3 · Voigtlander 75mm f/1.9 Ultron Review


mark1958 wrote:
I am sorry Prism was the wrong word. What I mean-- the light coming into the rangefinder focus mirror mechanism is separate from the sensor. So if the light from the lens comes through the viewfinder --how would only a single lens mis-focus? I would think if one lens mis-focuses, the others would as well. I am just asking because i really do not know.


Because the two lenses in your situation are not the same. There are physical differences between them. One is incorrectly calibrated for use on the rangefinder, the other is not.



Apr 11, 2023 at 08:06 AM
akashyap
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p.6 #4 · p.6 #4 · Voigtlander 75mm f/1.9 Ultron Review


How do we think this lens compares to the ZM 85 or Loxia 85 as a high resolving, landscape specialist? I feel like it doesn’t have to be as high resolving as the ZM or Loxia to be considered an attractive option because of it’s size and maximum aperture, and it’s current sample images and sharpness already seem to be “good enough” for a lightweight f1.9 option.

Is there any reason to grab a ZM 85 or 85 Loxia over this 75/1.9 CV, other than Zeiss colors and contrast and maybe absolute sharpness (in the case of the Loxia)



Apr 11, 2023 at 04:20 PM
highdesertmesa
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p.6 #5 · p.6 #5 · Voigtlander 75mm f/1.9 Ultron Review


akashyap wrote:
How do we think this lens compares to the ZM 85 or Loxia 85 as a high resolving, landscape specialist? I feel like it doesn’t have to be as high resolving as the ZM or Loxia to be considered an attractive option because of it’s size and maximum aperture, and it’s current sample images and sharpness already seem to be “good enough” for a lightweight f1.9 option.

Is there any reason to grab a ZM 85 or 85 Loxia over this 75/1.9 CV, other than Zeiss colors and contrast and maybe absolute sharpness (in the case of the Loxia)


Someone else can comment on "versus ZM and Loxia 85s", but as far as sharpness and resolving power at infinity, I was extremely impressed how sharp the corners were by f/4 on the M11. I wouldn't hesitate to use it alongside the highest performing M lenses I've used, the CV 35 and 50 APO.



Apr 11, 2023 at 04:50 PM
Fred Miranda
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p.6 #6 · p.6 #6 · Voigtlander 75mm f/1.9 Ultron Review


akashyap wrote:
How do we think this lens compares to the ZM 85 or Loxia 85 as a high resolving, landscape specialist? I feel like it doesn’t have to be as high resolving as the ZM or Loxia to be considered an attractive option because of it’s size and maximum aperture, and it’s current sample images and sharpness already seem to be “good enough” for a lightweight f1.9 option.

Is there any reason to grab a ZM 85 or 85 Loxia over this 75/1.9 CV, other than Zeiss colors and contrast and maybe absolute sharpness (in the case of the Loxia)


The Loxia 85mm f/2.4 and the 85/4 ZM are both excellent compact lenses, with the former being a particularly strong performer. However, when stopped down to f/5.6 or smaller apertures, the 85/4 ZM is not too far behind. On the other hand, the Voigtlander 75/1.9 Ultron performs exceptionally well, with no visible weaknesses at small apertures, although it should be noted that this was tested only on the Leica M sensor. While I have not compared them directly, I would expect the Loxia to still have a slight edge, but the difference would likely be insignificant.



Apr 11, 2023 at 08:17 PM
highdesertmesa
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p.6 #7 · p.6 #7 · Voigtlander 75mm f/1.9 Ultron Review


Both MC and SC versions are back in stock at CameraQuest right now.



Cameraquest: Multi-coated | Single-coated




Apr 11, 2023 at 10:13 PM
Fred Miranda
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p.6 #8 · p.6 #8 · Voigtlander 75mm f/1.9 Ultron Review


highdesertmesa wrote:
Both MC and SC versions are back in stock at CameraQuest right now.



I find it intriguing that the new Voigtlander 75/1.9 lens is not being carried by B&H Photo at present, as this is the first instance of such an occurrence that I have seen.



Apr 12, 2023 at 10:16 AM
highdesertmesa
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p.6 #9 · p.6 #9 · Voigtlander 75mm f/1.9 Ultron Review


Fred Miranda wrote:
I find it intriguing that the new Voigtlander 75/1.9 lens is not being carried by B&H Photo at present, as this is the first instance of such an occurrence that I have seen.


I don't think CameraQuest was sent enough copies to distribute as overflow from their initial demand. Maybe Cosina didn't think this lens would be as appealing as it is.



Apr 12, 2023 at 10:59 AM
mark1958
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p.6 #10 · p.6 #10 · Voigtlander 75mm f/1.9 Ultron Review


Maybe post Passover break--- BH photo will list in stock? I purchased from Cameraquest


Apr 12, 2023 at 12:54 PM
 


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p.6 #11 · p.6 #11 · Voigtlander 75mm f/1.9 Ultron Review


mark1958 wrote:
Maybe post Passover break--- BH photo will list in stock? I purchased from Cameraquest


It is unusual based on their history, but B&H Photo currently does not have the new Voigtlander 75/1.9 lens listed. Adorama, on the other hand, has listed the lens, but it is currently on backorder.

Voigtlander 75mm f/1.9 Ultron at Adorama: Multi-coated | Single-coated



Apr 14, 2023 at 06:02 PM
highdesertmesa
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p.6 #12 · p.6 #12 · Voigtlander 75mm f/1.9 Ultron Review


My replacement 75 1.9 arrived today! Very happy to report that it's a good copy – well-centered, well-calibrated with the rangefinder wide open, and rangefinder alignment at infinity at the hard stop is perfect. Whew.

(I had rolled my first perfect copy off a table onto a tile floor, and my second copy wasn't calibrated well with the rangefinder when shot wide open.)

I really like how this lens pairs up with the 35 1.5. As of today, I believe these are the only two matte black paint Voigtlander lenses in their lineup. Both are lightweight aluminum, compact, and a nice balance between character and high IQ.

I have to give myself a virtual pat on the back from not succumbing to the lure of heavy M lenses this time around. I briefly fell off the wagon with the 50 f/1, but have since recovered

Still on my list to purchase is the 50 Cron Safari to pair with my 28 Cron Safari. That should complete my small M lens set with 28/35/50/75, which can be split into matching 28/50 or 35/75 sets.







Apr 15, 2023 at 12:46 PM
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p.6 #13 · p.6 #13 · Voigtlander 75mm f/1.9 Ultron Review


highdesertmesa wrote:
My replacement 75 1.9 arrived today! Very happy to report that it's a good copy – well-centered, well-calibrated with the rangefinder wide open, and rangefinder alignment at infinity at the hard stop is perfect. Whew.

(I had rolled my first perfect copy off a table onto a tile floor, and my second copy wasn't calibrated well with the rangefinder when shot wide open.)

I really like how this lens pairs up with the 35 1.5. As of today, I believe these are the only two matte black paint Voigtlander lenses in their lineup. Both are lightweight aluminum, compact, and a nice balance between
...Show more

Great to hear you got an optimal copy. Don't drop it!



Apr 15, 2023 at 01:02 PM
highdesertmesa
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p.6 #14 · p.6 #14 · Voigtlander 75mm f/1.9 Ultron Review


Fred Miranda wrote:
Great to hear you got an optimal copy. Don't drop it!


My wife said, "Let's open this one over the carpet."



Apr 15, 2023 at 06:10 PM
stockshas
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p.6 #15 · p.6 #15 · Voigtlander 75mm f/1.9 Ultron Review


Finally got around to importing and looking at some of the pictures with this lens. I believe all of these were shot wide open except the last two. Will post a few more at different apertures.

Edit: Sorry - it took a few tries to get the right way to post from flickr and fix the resolution.


L1002334 by J P, on Flickr

L1002433 by J P, on Flickr

L1002422 by J P, on Flickr

L1002437 by J P, on Flickr

L1002419 by J P, on Flickr

L1002452 by J P, on Flickr

L1002440 by J P, on Flickr

L1002455 by J P, on Flickr



Apr 15, 2023 at 06:54 PM
highdesertmesa
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p.6 #16 · p.6 #16 · Voigtlander 75mm f/1.9 Ultron Review


Few shots around the house this morning, all at f/1.9.




  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/1.4    1/640s    64 ISO    0.0 EV  






  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/1.4    1/200s    64 ISO    0.0 EV  






  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/1.7    1/160s    250 ISO    0.0 EV  







Default vs greatly increased sharpening in C1







infinity hard stop at f/1.9

  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/1.4    1/3200s    64 ISO    -1.3 EV  







f/1.9 at infinity through a screen door -|- minor sharpening in C1




Apr 16, 2023 at 09:39 AM
highdesertmesa
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p.6 #17 · p.6 #17 · Voigtlander 75mm f/1.9 Ultron Review


Testing out close focus at f/1.9. These are from MFD to ~0.7m. The little Santa candle is about 3.25" high and is sitting on an average-sized ceramic drink coaster.

Parallax at 0.7m does not allow accurate composition with the rangefinder, so even though focus was coming out correct, I had to switch to live view. If I had to use the rangefinder with this lens (or any 75mm at 0.7m), I would need to more loosely frame the scene and crop later.

Is anyone else's focus ring on this lens fairly stiff? The 75 1.9 I used to own was extremely fluid/loose focusing, but this lens (or my copy of this lens) is at the other end of the spectrum for stiffness.




  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/2.4    1/360s    64 ISO    0.0 EV  






  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/1.4    1/400s    64 ISO    -0.7 EV  






  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/1.7    1/180s    64 ISO    0.0 EV  







Only cropped for square format, not a magnified image

  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/2.8    1/160s    100 ISO    -0.7 EV  






  LEICA M11    Summilux-M 1:1.4/75 lens    75mm    f/2.4    1/320s    64 ISO    0.0 EV  




Apr 16, 2023 at 12:24 PM
stockshas
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p.6 #18 · p.6 #18 · Voigtlander 75mm f/1.9 Ultron Review


Focus ring on mine is pretty stiff too, compared to my Leica 35 and 50 luxs. I seem to remember my CV Ultron 28 was smooth. Maybe it gets better with use? Does not bother me though. Figured it just takes a little getting used to. Also, in a way the extra stiffness helps getting the focus accurate.


Apr 16, 2023 at 01:07 PM
highdesertmesa
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p.6 #19 · p.6 #19 · Voigtlander 75mm f/1.9 Ultron Review


stockshas wrote:
Focus ring on mine is pretty stiff too, compared to my Leica 35 and 50 luxs. I seem to remember my CV Ultron 28 was smooth. Maybe it gets better with use? Does not bother me though. Figured it just takes a little getting used to. Also, in a way the extra stiffness helps getting the focus accurate.


Thanks. The stiffness does make it easier to focus than the 75 1.5 I used to own, which was too loose considering the short focus throw. I guess I've gotten spoiled with the focus feel of the CV 35 1.5, which is crazy nice.



Apr 16, 2023 at 01:10 PM
highdesertmesa
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p.6 #20 · p.6 #20 · Voigtlander 75mm f/1.9 Ultron Review


Well, the hood on this thing is really thin. Somehow already managed to bump it on something which slightly bent a side a bit flat. Don't even remember hitting anything with it. It's so thin, though, that I was easily able to bend it back to normal. I worked the flat spot against a round broom handle with a cloth over the handle to protect the hood.

My two cents: throw the hood in the box and leave it there. It doesn't help much with flare, and makes the lens longer than it needs to be. + It comes unscrewed too easily, and if it doesn't, it's so tight, the filter will stay attached to it when removing the hood. Too many screwy parts to get all the tension right. Just reminds me why I hate hoods that screw into the lens filter threads.



Apr 16, 2023 at 07:48 PM
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