src="http://www.mirrorlessons.com/wp-content/themes/mirrorlessons The Voigtlaender Nokton 25mm f/0.95 Hands-On Review: a unique lens for your MFT camera! - MirrorLessons - The Best Mirrorless Camera Reviews
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Date: 07/06/2013 | By: Mathieu

The Voigtlaender Nokton 25mm f/0.95 Hands-On Review: a unique lens for your MFT camera!

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The Voigtlaender Nokton 25mm f/0.95 Hands-On Review: a unique lens for your MFT camera!

The Nokton 25mm f/0.95 is either a lens you love or hate. It gives your photographs a unique look and produces a very soft and pleasant bokeh, but the lens doesn’t come without its faults.

As always, the question is: is it worth adding to your collection? I’d say ‘yes’ if you are willing to invest in a product knowing that it isn’t perfect … but first things first!



The Voigtlaender Nokton 25mm f/0.95 Main Specs
  • Focal Length: 25mm (35mm Equivalent Focal Length is 50mm)
  • Lens Construction: 11 Elements in 8 Groups
  • Angle of View: 47,3 Degree
  • AF System: No (manual focus only)
  • Closest Focusing Distance: 0.17m
  • Number of Blades: 10
  • Maximum Aperture: f0.95
  • Minimum Aperture: f16
  • Filter Size Diameter: 52mm
  • Dimensions Diameter: 70 x 58,4mm
  • Weight: 410g

Introduction

X20, 1/320, f/ 28/10, ISO 100
The Voigtlaender Nokton 25mm f/0.95

Voigtlaender is a very old german optical company famous for old film cameras such as the Bessa line, as well as for its lenses made for the Leica M mount. In 2010, they released their first MFT mount lens, the fastest lens ever made for the system with an aperture of f/0.95! There aren’t a lot of lenses on the market with that kind of aperture. The only other lens that comes to my mind is the Leica 50mm Noctilux, which is very different as it is build for full frame cameras and costs nine times the price of the Nokton!

Like any other Voigtlaender lens, it is manual focus only: there isn’t an AF motor inside, nor a chip to read metadata. This can be limiting as it is not easy to focus with this lens, especially at its fastest aperture.

In 2012 Voigtlaender released its second f/0.95 lens, the 17,5mm (35mm equivalent on full frame sensor) and is planning to release a third lens this summer, the 42,5mm which, as its focal length suggests, will be ideal for portraits.


f/0.95: its most attractive aspect is also its weak point…

f/0.95: fast but soft
f/0.95: fast but soft

When you buy a lens that fast, you buy it for one reason: to take advantage of the fast aperture to isolate your subject from the background with a wonderful bokeh. The Nokton produces a very nice result and gives some of that full frame sensor look to MFT cameras, also adding a touch of film look when it comes to colour and contrast reproduction.

E-M5, 1/50, f/2 , ISO 500Voigtländer 25mm f/0.95
E-M5, 1/50, f/2 , ISO 500
Voigtländer 25mm f/0.95

This is really nice but the main problem is that the lens is too soft at f/0.95. You will need to stop down to f/2 minimum to get enough sharpness, which is two stops down from the main reason you are buying this lens. Disappointing? Yes, it is – even though you can achieve some gorgeous images at f/2 and up, you’re always aware that you’re working with a lens that could be much better than it actually is. It is a little bit frustrating at times. Plus, I don’t know if I want to spend almost $1000 on this lens, knowing that I won’t be able to use it for the reason that attracted me to it in the first place!

A good example of the softness at f/0.95 is shown below: the details on my cat Marigold are limited and you can also slughtly notice some sort of “glow” around the edges.

E-M5, 1/320, f/0.95 , ISO 200
E-M5, 1/320, f/0.95 , ISO 200

Below a direct comparison between four different aperture values:


Build quality

The lens is entirely made of metal, so it feels very solid. The focus ring is very smooth and nice to use. The aperture ring turns by 1/steps but it is a little bit weak and you can end up changing your aperture inadvertently. It doesn’t weigh too much and it is well balanced with my Panasonic GH3 or the Olympus OM-D E-M5. The lens hood is attached directly to the lens and cannot be pulled out, which isn’t a bad thing and gives enough protection to the front of the lens.

The Nokton 25mm f/0.95 on the OM-D E-M5
The Nokton 25mm f/0.95 on the OM-D E-M5
The metal lens hood
The metal lens hood

The lens lets you focus relatively close (around 17cm) which is really nice for macro shots if your object isn’t too small.

E-M5, 1/100, f/0.95 , ISO 400
E-M5, 1/100, f/0.95 , ISO 400

Manual Focusing

As I mentioned before, it isn’t easy to focus manually with this lens, especially if you stop down close to f/0.95. Forget relying only on the sharpness of your EVF or even your LCD screen, the best method I found on my OM-D is to assign the magnify option to the Fn2 button, press it, adjust the focus and take the picture right away to avoid your subject or yourself shifting position. This process will slow you down as you also have to change the position of your focus area so that you can focus without having to adjust your composition after.

E-M5, 1/100, f/1.4 , ISO 800
E-M5, 1/100, f/1.4 , ISO 800

For this reason, you should forget about shooting fast-moving subjects or fleeting moments. This lens is better suited for photo sessions where you have a subject willing to pose for you, or for static objects. With a little bit of practice, you can achieve very nice results if you are willing to be patient and accept that, at first, lots of seemingly in-focus pictures will be blurry when you see them on your computer.


Low-light performance

E-M5, 1/50, f/4 , ISO 3200
E-M5, 1/50, f/4 , ISO 3200

The lens, being really fast, also gives you some extra light in low-light environments, but the same limit applies here as well: you will have to stop at f/2 or F72.8 to have sharp pictures, and since it doesn’t have autofocus, you will need some extra patience. After some reflection, I think that a fast prime lens with AF such as the Leica 25mm f/1.4 for example) is a better solution for low light photography.


And for video…?

The lens takes on a new personality when it comes to video. Its soft aperture is less noticeable, probably because the size and resolution of video is less demanding than a 16mp still image. Its soft contrast and colour reproduction make this lens an excellent companion for a Panasonic GH2 or GH3 and will give you a look closer to the one you find on HDSLRs. For focusing, a proper follow focus is recommended though.

Below you can watch a mini documentary shot with the GH3. The widest shot for the interview and the hand-held shots while Deborah is painting have been shot with the Nokton.


Additional pictures


Conclusion

As I stated before, it is a real shame that this lens isn’t sharper at f/0.95 and 1.4 but with a little bit of practice, it can give you a lot of satisfaction, especially since the look this lens provides is hard to find elsewhere on MFT lenses. Apparently, the 17,5mm version is sharper, and if the announced 42,5mm stays on the same path, Voigtlaender would be under pressure to release a second sharper version of the 25mm, proposing one of the pretigious MFT lens series available on the market. Let’s cross our fingers!


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About the author: Mathieu Gasquet

Mathieu Gasquet is a professional photographer with French and Italian origins. Besides running his own video and photography studio 3Dit Lab, he is also the official photographer for the National Cinema Museum in Turin. You can follow him on Google+, Twitter or Facebook!

  • http://www.bestmirrorlesscamerareviews.com/ Mathieu

    It is true that most lenses are softer at their fastest aperture but generally not that much.

  • Joshua Sage Son

    Couldnt disagree with you more. While it isnt the sharpest at its maximum aperture most glass isnt. Most full frame glass is unusable at max aperture. The look of the voigtlander at max aperture is very similar to classic leica glass. And from 1.4 onwards its sharpness is equal and greater than the panasonic 25mm 1.4

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