Summary: When using such the shallow depth of field that an f/1.4 lens offers, a manual-focus-only lens is a good reminder of just how useful autofocus is. Even a skilled photographer will find that there are numerous occasions when the manual focus is ‘off' in everyday images.
Excerpt: This lens is available to fit many different types of cameras, including Canon, Nikon, Pentax, Sony and Four Thirds SLRs as well as Samsung NX mirrorless cameras. Nikon users have a choice between the basic model, which has no electronic coupling and the AE model, that has electronic contacts for...
Pros: Very good value for the price, Excellent sharpness when stopped down, Good build, Good sharpness in the centre stopped down to f/2 or beyond
Cons: A little soft at f/1.4, Pronounced falloff at f/1.4
Samyang 24mm f/1.4 ED AS UMC (EOS) - Full Format Review
2 July 2012
Conclusion: It may be a bit embarrassing for the original manufacturers but the Samyang 24mm f/1.4 ED AS UMC manages to produce a quality similar to its roughly double priced counterparts. Admittedly, the 24mm f/1.4 suffers from slightly lower contrast at large apertures but the resolution is already pretty...