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Voigtlander Lenses and Images Post threads showing images from Cosina Voigtlander Leica mount lenses here.

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Old 04-21-2019   #41
johannielscom
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Doug,

The nickel Heliar is only 14 grammes lighter than the (confirmed brass) nickel Summar, as per Leica forum specs. It is a lot heavier than the (confirmed aluminium) Jupiter-8!

The chance of it being brass is a lot bigger than it being aluminium.

Erik, you apparently want the Heliar to look like a Rigid Summar more than it does but to entertain me, can you point me towards a lens that resembles a Rigid Summar more than the Heliar?

Meanwhile, let's not forget that the Heliar and Summar are different optical designs, that the nickel Heliar was the only lens made in nickel since Leica abandoned nickel plating some 75 years earlier, that the Heliars are the bee's knees in lens design since they are 2.0 wide open and that the Heliar might prove to be a future collectible, since it is more rare in numbers than the Rigid Summar... Even if it does have brushed nickel plating instead of a gloss one!
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Old 04-22-2019   #42
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Quote:
Originally Posted by johannielscom View Post
Doug,

The nickel Heliar is only 14 grammes lighter than the (confirmed brass) nickel Summar, as per Leica forum specs. It is a lot heavier than the (confirmed aluminium) Jupiter-8!

The chance of it being brass is a lot bigger than it being aluminium.

Erik, you apparently want the Heliar to look like a Rigid Summar more than it does but to entertain me, can you point me towards a lens that resembles a Rigid Summar more than the Heliar?

Meanwhile, let's not forget that the Heliar and Summar are different optical designs, that the nickel Heliar was the only lens made in nickel since Leica abandoned nickel plating some 75 years earlier, that the Heliars are the bee's knees in lens design since they are 2.0 wide open and that the Heliar might prove to be a future collectible, since it is more rare in numbers than the Rigid Summar... Even if it does have brushed nickel plating instead of a gloss one!
On the picture the worn nickel looks more like paint than like brushed nickel. My nickel Summar weights 179 grammes.

The collapsible black Heliar is almost 100 g heavier.

I am sorry if I've hurt the feelings of people. I only wanted to discuss an interesting phenomenon. Collectible or not.

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Old 04-22-2019   #43
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Voigtlander 50mm f2.0 Collapsible Heliar Classic (Limited Edition) (Silver color) VM lens, Sony A7III camera
Yokohama, Japan - April 2019









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Old 04-22-2019   #44
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I think you have a good point, Erik, about the sadly scuffed appearance of that nickel finish Heliar! Yet I'd be surprised if it's paint given that Cosina calls it nickel...
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Old 04-22-2019   #45
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I find this lens a bit of an enigma. I bought it because I wanted a modern collapsible for walkabout purposes, expecting performance much like my other Voigtlander lenses. Instead what I’ve got, my copy at least, is a lens that behaves much like a 1950s lens but with modern coatings etc. It’s probably the softest overall 50mm that I own, only getting to its best at f8/11, and even there not perfect at the edges. It does however have a lovely “calm” quality about it, probably because it’s not got the modern bite, and mechanically I love it. So I use it far more than I should and won’t be selling it anytime soon.
Could be a symptom of focus shift, most noticeable f/2.8 - f/5.6?
Sean Reid says that if he owned this lens he would not bother to have it 6-bit coded for the M8. It is softer wide open, esp in the corners (likely due to field curvature), than either the Summicron or Planar, and more subject to veiling flare for a "classic" rendition. Improved noticeably at f/2.4, but evidence of a focus shift at mid apertures.

Despite Sean's suggestion about coding, I sent mine to DAG for this, and incidentally to adjust for best focus in his judgement. Coded to 010111 as an earlier Summicron, focus now seems about right-on wide open and I suspect a slightly concave field of focus. Not crisp wide open but pretty good at f/2.8 and up. Maybe a slight tendency to front-focus a bit at f/4. Lovely smooth bokeh with very slight tendency to doubling in near-bokeh so perhaps undercorrected spherical aberration.
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Old 04-22-2019   #46
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I earlier misattributed the following info. Here it is with the correct source...

Herbert Keppler's column in the 12/2006 PopPhoto praises the lens: "The Heliar turned out to be incredibly good, comparable at all apertures to the 50mm f/2 Leica Summicron-M we'd tested in 1996." Cosina did it with "Newly developed super high-index glass (that) reduces all aberrations." This is quite a breakthrough, as the Heliar was historically not suited to small-format use, its qualities not including the necessary acutance or desired speed. As essentially a Tessar with another element cemented-in to make a front doublet, it's amazing it could exceed f/2.8. Fastest Heliar ever made. Having only 6 air-to-glass surfaces, it's extremely flare resistant and contrasty.

Also worth commenting that collapsing the lens does not make it intrude into the camera, stopping about even with the lens mount. Safe, therefore, with cameras that may have trouble with lenses that extend further back into the camera.
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Old 04-22-2019   #47
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Also worth commenting that collapsing the lens does not make it intrude into the camera, stopping about even with the lens mount. Safe, therefore, with cameras that may have trouble with lenses that extend further back into the camera.

I can assure that there are no problems to collapse it into the Leica M5. It is safe.


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Old 04-22-2019   #48
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Quote:
Originally Posted by Doug View Post
Sean Reid says that if he owned this lens he would not bother to have it 6-bit coded for the M8. It is softer wide open, esp in the corners (likely due to field curvature), than either the Summicron or Planar, and more subject to veiling flare for a "classic" rendition.
This one is wide open against the light:

Leica MP, Heliar 50mm f/2 collapsible, 400-2TMY.

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Old 05-16-2019   #49
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Leica MP, Heliar 50mm f/2 collapsible, 400-2TMY.


This is a much smaller file with some sharpening. Works much sharper than a big file with the same amount of sharpening.


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Old 05-17-2019   #50
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Leica MP, Heliar Classic 50mm f/2, 400-2TMY, printed on Adox MCC 110.

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Old 05-17-2019   #51
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Nice one, Erik ^^^^^^^.

I think I still prefer the look of the Skopar 50/2.5.
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Old 05-17-2019   #52
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Nice one, Erik ^^^^^^^.

I think I still prefer the look of the Skopar 50/2.5.

Thank you, Steve. I only have the lens since a few weeks (I could buy it cheap), it is very different from the Skopar 50. Not as handy and not as refined optically, but nice to play with for some time though.


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Old 05-17-2019   #53
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Leica MP, Heliar Classic 50mm f/2, 400-2TMY, printed on Adox MCC 110.


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