Nihliuz wrote:
Hello! I really cant decide between the Sony 20mm 1.8 or the Voigtländer 21/1,4 or Sigma 14-24/2.8
I mostly shoot landscape photos and architecture and some abandoned houses. Would appreciate if someone could help me :P
First of all, I never had the Sony 20mm and the Sigma 14-24.
The Voigtlander 21mm Nokton is a fantastic lens, but it can be a diva due to the field curvature and focus breathing. As with most Voigtlander lenses, you have to focus very very precisely, even the smallest rotation of the focus ring - sometimes I find it difficult to make such minimal movements - can result in small or large parts of the image not being as sharp as they could be. It is not even possible to assess this on site when taking landscape pictures. You definitely have to try out the best aperture in relation to the best exact focus setting at home in relation to your distance to the landscape to be photographed.
That means if I want to cut out objects, that's not a problem, I focus on the corresponding object. But regarding landscape shots, where I want the perfect sharpness evenly over the whole picture, focussing can be very tricky. After several hours of testing I have found a perfect focus position for the apertures 1.4 - 2.5, 2.8 - 5,6, 5,6-16 and a uniformly sharp image is not always possible at least up to f4.
Otherwise, the Voigtlander has what I think are the most beautiful sun stars of all lenses I've had so far and if everything works well, the Voigtlander is by far the best wide-angle lens I've ever had.
I would prefer the Sigma for architecture because it can be more wide-angle. In addition, in my opinion the Voigtländer is more of a 22mm lens than a 21mm.
The Sigma should be easier to use because of the smaller field curvature.
With the Sigma, it's more complicated to use filters, so it's not an option for me at the moment.
One last thought: autofocus is rather a disadvantage for me with these lenses, at least on a A7RII and a RIII, because I think the autofocus of these cameras is very unreliable against infinity. So I always focus manually for landscape shots and that works better with the manual lenses, of course.
Jul 21, 2020 at 05:56 AM
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Nihliuz wrote:
Hello! I really cant decide between the Sony 20mm 1.8 or the Voigtländer 21/1,4 or Sigma 14-24/2.8
I mostly shoot landscape photos and architecture and some abandoned houses. Would appreciate if someone could help me :P
First of all, I never had the Sony 20mm and the Sigma 14-24.
The Voigtlander 21mm Nokton is a fantastic lens, but it can be a diva due to the field curvature and focus breathing. As with most Voigtlander lenses, you have to focus very very precisely, even the smallest rotation of the focus ring - sometimes I find it difficult to make such minimal movements - can result in small or large parts of the image not being as sharp as they could be. It is not even possible to assess this on site when taking landscape pictures. You definitely have to try out the best aperture in relation to the best exact focus setting at home in relation to your distance to the landscape to be photographed.
That means if I want to cut out objects, that's not a problem, I focus on the corresponding object. But regarding landscape shots, where I want the perfect sharpness evenly over the whole picture, focussing can be very tricky. After several hours of testing I have found a perfect focus position for the apertures 1.4 - 2.8, 2.8 - 4, 4- 8, 8-16 and a uniformly sharp image is not always possible at least up to f4.
Otherwise, the Voigtlander has what I think are the most beautiful sun stars of all lenses I've had so far and if everything works well, the Voigtlander is by far the best wide-angle lens I've ever had.
I would prefer the Sigma for architecture because it can be more wide-angle. In addition, in my opinion the Voigtländer is more of a 22mm lens than a 21mm.
The Sigma should be easier to use because of the smaller field curvature.
With the Sigma, it's more complicated to use filters, so it's not an option for me at the moment.
One last thought: autofocus is rather a disadvantage for me with these lenses, at least on a A7RII and a RIII, because I think the autofocus of these cameras is very unreliable against infinity. So I always focus manually for landscape shots and that works better with the manual lenses, of course.
