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Date: 01/11/2016 | By: Heather

Voigtlander Super Wide Heliar 15mm f/4.5 Aspherical III Review for Sony E-mount

voigtlander 15mm f/4.5 sony e-mount

Voigtlander Super Wide Heliar 15mm f/4.5 Aspherical III Review for Sony E-mount

The second lens in the Voigtlander trio is also the narrowest of the three – if you can call 15mm narrow! This wide-angle lens, originally designed for the Leica M-mount and later updated for native use on Sony E-mount cameras, shares quite a few characteristics with the 10mm I reviewed last week, so don’t be alarmed if you begin to experience some deja-vu. 😉

Voigtlander 15mm f/4.5 Super Wide Heliar – Technical Specifications
  • Focal Length: 15mm
  • Maximum Aperture: F4.5
  • Minimum Aperture: F22
  • Lens Construction: 9 groups, 11 elements
  • Angle of View: 110°
  • Aperture Blades: 10
  • Minimum Focus Distance: 0.3m
  • Diameter: φ 66.4mm
  • Length: 62.3mm
  • Filter thread: 58mm
  • Weight: 294g
  • Lens Hood: Integrated lens hood

Ethics statement: Flaghead Photographic Ltd. kindly provided us with a sample of the Voigtlander 15mm f/4.5 to test for two weeks on our Sony A7r II. We were not asked to write anything about the lens in exchange for the opportunity and were not provided any other compensation of any kind. All opinions we express regarding the 15mm are our own. Within the article, there are affiliate links. If you buy something after clicking the link, we will receive a small commission that helps support the site. Don’t worry – prices remain the same for you. To know more about our ethics, you can visit our full disclosure page. Thank you!


Design and Ease of Use

Were it not for the barrel markings, it would be somewhat difficult to tell the 15mm apart from the two other Voigtlanders. However, a side-by-side comparison quickly reveals that it is the smallest of the three at 62.3mm in height (but only the second lightest after the 12mm). Like its siblings, it is the perfect size and weight for any of Sony’s E-mount cameras, both full-frame and APS-C.

The 15mm is the smallest and lightest of the three Voigtlander E-mount lenses
The 15mm is the smallest and lightest of the three Voigtlander E-mount lenses

All three have a solid black all-metal barrel with a smooth focusing ring, distance scale, depth of field scale, and an aperture ring that de-clicks when you push the aperture control ring forward and turn it 180 degrees.

While the distance / depth of field scales of this lens give you a rough idea of your focus distance, I always find it best to enrol the help of Sony’s magnification assist to achieve perfect focus.

Also common to all three is the built-in petal-shaped lens hood. It does an excellent job of mitigating flare but isn’t large enough to protect the front element from objects smashing into it.

voigtlander-sony-emount-12
The built-in petal-shaped lens hood

As for the differences, the 15mm clearly has a flatter front element than either the 10mm or 12mm and as such, can benefit from a filter thread. (Neither the 10mm nor the 12mm has a filter thread because of the convex front element.) Since the hood isn’t detachable, your only option is to use circular filters that attach directly to the thread.

The flat front element and filter thread
The flat front element and filter thread

The 15mm is also the only lens of the three to come with a clip cap instead of a pressure fit cap for the same reason mentioned above.

Finally, it is the lens with the fastest maximum aperture: f/4.5 rather than f/5.6. This means you can achieve a little more shallow depth of field when focusing at their common minimum focus distance of 30cm and work in slightly poorer light conditions.

The fastest aperture is 4.5
The 15mm f/4.5

None of the lenses are weather-sealed but thanks to their electronic contacts, all three can communicate EXIF, focus distance, 5-axis stabilisation, manual focus, and lens correction information to E-mount cameras.


 


Through the lens – Optical quality

For someone who is unfamiliar with wide-angle lenses, the 15mm is probably the easiest to use of the three since its field of view, while extreme, doesn’t exaggerate perspective quite as much as the 10mm or 12mm.

A7r II, 1/320, f/5.6, ISO 200
A7r II, 1/400, f/8, ISO 200

Looking at a set of 100% crops taken from the centre, we can see that sharpness is consistently good from the fastest aperture of f/4.5 up to f/11 with the best performance occurring at around f/5.6.

Reference Image
Reference Image – Note that the lens profile was not applied to the following crops.

The corners are softer than the centre. The best performance can be found at f/8, though f/4.5, f/5.6 and f/11 aren’t far behind.

In both the corners and at the centre, f/22 should be avoided due to diffraction while f/16 remains useable in a pinch.

Distortion is also normal for a wide-angle lens such as this. The stretched appearance of the corners is the result of perspective distortion, which becomes more exaggerated if you tilt the lens up or down. The very minor barrel distortion can be corrected by applying the dedicated lens profile in Lightroom.

A7r II, 1/100, f/8, ISO 200

The only reason to talk about flare is to reference its almost complete absence. In all my sample images, some of which were taken into bright sources of light, I only encountered a few very minor examples. The same can be said about the 10mm and 12mm as well.

Some flare close to the street lamp. (The large spot to the right of the lamp was likely caused by dust on the lens.)

However, where flare is missing, vignetting is abound regardless of the aperture you use. The good news is that it can easily be fixed by applying the dedicated lens profile in Lightroom which recently became available.

 

Happily, I didn’t come across many relevant examples of chromatic aberration except for some minor purple fringing in backlit situations, so it appears that resistance is very good. Below you can see the worst example I came across during my testing period.

Some mild purple fringing along the castle turrets

The lens also produces very beautiful sunstar flares, which is a characteristic all three lenses share.

A7r II, 1/60, f/8, ISO 200

Finally, of all the Voigtlander lenses, the 15mm is the one with which you can get the most shallow depth of field by focusing at its minimum focus distance of 30cm. However, as you can see in the shot below, the depth of field is still very deep.

A7r II, 1/125, f/4.5, ISO 200

For astrophotography

Luckily, I was also able to try out the lens for astrophotography on a very dark night here in Wales. Though the focal length is ideal for this genre, the fastest aperture of f/4.5 is a little slow, so I had to use an ISO value of 6400 and a shutter speed of around 10s to obtain decent results. Looking at the edges and corners, there is some coma at f/4.5 but it isn’t too bad.

A7r II – Blend of two exposures – 10s / ISO 6400 for the sky, 30s / ISO 3200 for the bridge

Using the 15mm on the a6300

On the evening before sending the lenses back to Flaghead, I was able to briefly use try out the 15mm on our Sony a6300. Due to the crop factor, the 15mm gives you the same field of view as a 22.5mm on a full-frame camera, which is still a fairly wide lens for landscapes and architecture.

As with the 10mm, the biggest advantage of using the 15mm on the a6300 is that it crops out some of the softness and vignetting in the corners.

a6300, 1/640, f/8, ISO 200

Conclusion

While I enjoyed using the extreme angles of view afforded by the 10mm and 12mm, I have to say that I found the 15mm the easiest to use as an all-in-one solution for landscape, architectural, cityscape and street photography. Its focal length is far more forgiving and the slightly faster aperture can come in handy in less-than-ideal light conditions.

Also advantageous for landscape photographers in particular is the fact that it accepts filters directly via a filter thread, whereas with the 10mm and 12mm, a third-party filter adapter is required.

Even though I adore the wild perspective of the 10mm and 12mm, were I actually faced with the decision to buy one of these lenses, logic would push me in the direction of the 15mm because I know I’d get much more use out of it.


thumb-up What I like about the Voigtlander 15mm f/5.6 Hyper Wide Heliar

  • the perfect fit for E-mount cameras
  • small and light with excellent build quality
  • accepts circular filters directly via a 58mm filter thread
  • communicates EXIF data to E-mount cameras via electronic contacts
  • selective aperture control system is handy if you shoot both stills and video
  • great sharpness at the centre and the apertures that matter most
  • excellent flare resistance and minimal chromatic aberration
  • beautiful sunstars

thumb-down What I don’t like about the Voigtlander 15mm f/5.6 Hyper Wide Heliar

  • the depth of field / distance scale isn’t as precise as I had hoped
  • sharpness in the corners is softer than at the centre
  • very noticeable vignetting (but it can be easily removed in post-production)

Check price of the Voigtlander 15mm f/4.5 at B&H Photo

Additional reads:

About the author: Heather Broster

Heather Broster was born in Canada, has lived in Japan and Italy but currently calls Wales home. She is a full-time gear tester at MirrorLessons. You can follow her on Google+, Twitter or Facebook!

  • http://www.mirrorlessons.com/ Heather Broster

    Yes, I put the wrong title. Thanks for pointing that out!

  • UnSean

    Heather your likes and dislikes are listed for the 10mm I assume it’s either a mistake or they are the same with the wrong title, nice review though.

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