I'm back after a long absence and have a question. I have browsed back through the posts and haven't seen much discussion about this lens. Anyone use this lens and find that the focus shift is a problem? I shoot mainly at f8, full frame and shoot railroad trains at speed. I'm curious what people thing about this lens.
Focus shift would have to be absolutely monumental to be detectable at railroad distances, and especially so at f/8. Even at f/1.8 at a mere 20 feet distance, focus would have to shift by almost 50% to really change much of the content of the frame. I think most of us would call such a lens "broken" rather than "focus shift."
In general the opinions of this lens are quite favorable, although you probably don't see lots of them around yet as it is only a few months old.
_____ Brian... a bicoastal Nikonian and Team Member
My gallery is online. Comments and critique welcomed any time!
I don't know why you are worried about focus shift with this lens. It has none. It is even mentioned in the Photozone test report that it has none, unlike some other fast wide angle lenses. Check it here. It's in the 3rd paragraph under Bokeh Fringing.
I am very happy with the results I am getting with this lens. I tried the AFS 35 1.8 and the AFS 50 1.8 and was not satisfied with the results. I sold both and bought the 28. I am planning on adding the 85 1.8 to it.
I haven't found any focus shift problem with my copy of the 28 1.8. I remember reading that it was caused by a bad copy of the lens in at least one review. I'm quite happy with it. Just like the 50 1.8 and 85 1.8. They're all good lenses at bargain prices.
I got my copy when they first came out last year. It's one of my favourite lenses (alongside it's 85mm brother). I've not noticed a back focus issue on my copy. It's the only one of the 1.8's to have nano coating too which is nice.
My new lens showed up Wednesday so I went out Friday and Saturday and shot a lot of railroad photos with it. So far I am very pleased with the color, sharpness edge to edge and minimal distortion. It's a winner and thank you to everyone who advised me to buy it!
I shot about 250 shots yesterday on the 28 1.8 mostly at f/1.8-f/2.2 on my D600 and had no issues. It was spot on everytime. I was not using a tripod, just handheld. It's a great lens, and fits well with the 85mm 1.8G.