Frederik0711
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 p.3 #5 · How Do I Select The Best Light/Small 24mm/25mm Travel Lens | |
All of the mentioned lenses are great to excellent, but keep in mind that the original poster priorities lightness and compactness in absolute terms. In relative terms, all of the mentioned lenses are light and compact, though.
The Samyang AF 24mm f/2.8 would come to mind, being in its own class in terms of size and weight, then Sony 24mm f/2.8 G, Sigma 24mm f/3.5 DN in "second" class, Samyang AF 24mm f/1.8 in "third" class, being similiar in terms of weight compared to the 24 f/3.5 DN, though less compact, Sigma 24mm f/2 DN, Zeiss Batis 25mm f/2 and Zeiss Loxia 25mm f/2.4, being in "fourth" class, and at last, Sony 24mm f/1.4 GM, being in the "fifth" class. I would skip the Sigma 24mm f/1.4 DN altogether, as it isn't light or compact in comparison.
For most, there will of course be other priorities as well. If one uses the first generation a7C, I think the 24 f/2.8 AF is fine, but I would opt for the 24 f/2.8 G or 24 f/3.5 DN for the a7C II and a7C R. They will resolve most of the potential resolution, while still having the features of bigger lenses, as the aperture ring, switches and some or "full" weather sealing. If faster apertures are needed, then 24 f/1.8 AF or 24 f/2 DN, but they don't necessarily resolve any perceptible difference.
If one uses the larger Sony full-frame camera bodies, I think the 24 f/2 DN, 24 f/1.8 AF, 25 f/2 Batis and 25mm f/2.4 Loxia are more fitting. Once moving to the bigger camera bodies, I don't think the 100-150 grams spared from lenses justify "losing" 1-1,5 stops of light. At least I wouldn't use such camera bodies, if all I opted for was the lightest and most compact primes and vice versa, but they do make sense with a mixture of lenses in different classes of size and weight.
I would only get the 25mm f/2.4 Loxia, if you want to continue your series of Loxia lenses, due to rendering (colour and sunstars), haptics, et cetera. Other than that, you will get similiar performance at "landscape apertures", and might as well go for the much lighter and more compact 24mm f/2.8 G and 24mm f/3.5 DN lenses. One can definitely notice the size and weight difference on the a7C cameras.
I use the a7C R, and I either stop down, or just don't need anything faster for architecture and landscape, but that's specifically for my usage. If I did some low light, I would get the 24mm f/1.8 AF or 24mm f/2 DN, if I did some astro or portraits, I would get the 24mm f/1.4 GM, and if I had a stronger desire for manual focus and "Cosina rendering", I would get the 25mm f/2.4 Loxia. Simple as that.
If lightness and compactness aren't of utmost priority, the 24 f/1.4 GM will be the gold standard, of course. Again, the GM is by no means large, but it's all relative.
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