4 dragonfly, its a manual focus lens for digital slr cameras coming in canon ef, nikon, f and Pentax k flavors it costs 675 us dollars or about 680 pounds in the uk, so its priced as being a premium lens, although other such lenses often cost even more id like to thank irix for loaning me this lens for a couple of weeks for testing, although, As usual, as you all know, by now, this is a totally independent review. Ive tested a truly ridiculous amount of camera lenses by now, but i believe this is the first full frame. 30 millimeter model ive ever come across and on a full frame camera. That is a useful angle of view. Itll get you a fairly wide angle picture without any kind of stretching in the corners and with just a small emphasis on your subject, its a focal length that isnt wide enough to really add much excitement to your image. It gives you a fairly neutral, looking picture where your subject does all the talking. The maximum aperture of f 1.4 is fantastic, though offering you nicely autofocus backgrounds for such a wide angle lens, not to mention aiding in shooting in darker situations. The lens itself certainly has a bold design, aesthetic, as you can see, with a kind of space age design to it. The next thing you notice is how gigantic it is as well, not to mention heavy weighing 860 grams or a little under two pounds.

It reminds me of the sigma art lenses that were being released a few years ago that just seemed to get progressively bigger and bigger. The lens is dust and splash resistant with plenty of weather, sealing on the inside and a large weather ceiling gasket around the lens mount. The lenss aperture is controlled by your camera, but, as i mentioned, its a manual focus only lens and its only real control point is that giant rubberized focus ring on my copy of the lens. It was a little stiff and didnt work terribly smoothly. Some good news, though, is that the lens exhibits very little in a way of focus breathing, as you can see here at the top of the lens theres, a control ring that lets you lock the focus ring in place, which could occasionally be useful for certain kinds Of photography, the lens does not have its own image. Stabilization and its filter size is a very large, 86 millimeters, so filters will be expensive for you. It does come with a nice deep hood, though, and a good quality hard case for protection overall. This is one big, tough and pretty simple lens. It works. Fine, although i do wish the focus ring turned just a little more smoothly. All right lets look at image quality. Now, im testing it on my canon eos r5, with its 45 megapixel full frame sensor in camera. Corrections were not available with this lens and so are turned off at f 1.

4. The lens is impressively sharp in the middle, with good contrast and no purple fringing. Although its just a knife surge away from being razor sharp lets, look in the corners, they are really dark at f 1.4, but thankfully we do still see some excellent sharpness here with no visible color. Fringing stop down to f2 and the corners look brighter. But just as sharp back in the middle, we see a tiny boost to contrast and resolution, and the picture quality now looks perfect, heres, f, 2.8 in the middle and the corners look brighter and punchier. Now, at f4, the corner image quality sees just another tiny little boost in sharpness. Looking brilliant, the image stays this sharp down to f11. However, f16 starts to look a bit softer, of course, due to the effect of diffraction overall, its a pretty fantastic performance for this irix lens. It offers great sharpness across the image frame straight from f 1.4, and you only need to stop down to f2. For some of the most striking image quality available today, this image quality actually reminds me very strongly of the two expensive zeiss otis lenses, which ive tested in the past, which performed almost exactly the same here in terms of sharpness. All right lets take a look at distortion and vignetting the lens projects, only a very small amount of barrel distortion here you will typically never notice it in your images, as weve already seen, though, at f 1.

4, the image corners are very dark. Indeed, they progressively brighten up from f2, f, 2.8 and f4. So youll want to correct that vignetting with whatever editing software youre using unless you want to keep it in just for effect. The lenses minimum focus distance is a little under 34 centimeters thats about average. For a wide angle, lens at f, 1.4 close up image quality remains pretty sharp, but we see a lot more purple, fringing stop down to f2 and that fringing goes away and at f 2.8 sharpness gets a little extra boost as well. Now lets see how the lens performs against bright lights, its just an average performance here, perhaps exacerbated by the lenses gigantic glass elements we are exposed to quite clear, flaring and glaring when bright lights are in or near the image frame, but also ive certainly seen a Lot worse than this before, while were working in a dark lets, take a quick look at coma levels. At f 1.4, only a very small amount of coma smearing can be seen on bright points of light in the image corners stop down to f2 and its still there, but at f 2.8, its completely gone when it comes to the quality of this lenss bokeh. In all my tests, its out of focus backgrounds, looked nice and smooth in virtually all scenarios. I presented it with ive seen slightly smoother bokeh than this before, but not by much and finally related to bokeh comes longitudinal, chromatic aberration so lets take a look at f.

1.4, its quite strong, as you can see here at f2, those colors are reduced a little, but stop down to see them go away completely overall, well in tasking their designers to make an ultra high quality digital slr lens, with no apparent limitation on physical size, ivex Seemed to be replicating sigmas marketing strategy from about four years ago. Sigma has since gone on to start reducing the size of their lenses and focusing on the mirrorless market. It remains to be seen if theres enough demand in the world of premium digital slr lenses for imix to pick up where sigma have left off, but anyway, this isnt electron marketing strategies. The lens itself is one that doesnt handle all that nicely in use its bulky, and its focus ring is slightly on the stiff side, but if you do work with it, itll reward your efforts with excellent images. I previously compared this lenses image quality to that of zeisss, hideously, expensive, four thousand dollar, otis lenses and actually id say it really is almost that good, even if i cause a few zeiss fanboy meltdowns and saying so. The fact is that the excellent image quality is certainly there, but for a much lower price. So if you are happy to handle this manual focus 30 millimeter monster, then its images will make it worth your while put a smile on your face, and so the lens comes recommended something else i can think of that doesnt cost as much as a thousand dollar Zeiss otus lens is supporting this channel on patreon.

I love making these lens reviews. They are time consuming and a little bit costly as well, though so, if youd like to support the channel and keep them trucking on then take a look in the description below and support us on.