The Sigma 45mm f/2.8 DG DN C is a standard lens for FF and APS-C, manufactured from 2019. The focus is done by Stepper Motor, it does not have image stabilization. The average price, when it has been added to the JuzaPhoto database, is 518 €;
7 users have given it an average vote of 9.3 out of 10.
This lens is available with the following mounts:
Sony E: this lens is compatible with mirrorless fullframe and APS-C Sony.
L-Mount: this lens is compatible with mirrorless fullframe and APS-C L-Mount.
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The following opinions have been automatically translated with Google Translate.
Pros:Exceptional construction, metal lampshade and diaphragms' diaphragms' diaphragms
Opinion:Very strange objective, a real sigma art from f4 up, beautiful bokeh, then from f4 to f2.8 the focus part looks like a lens from 1979, there is in fact a spherical aberration that blurs the contours. On portraits it's not bad, actually. Another great feature is the focus distance, so close that it's almost a macro. A lens that I recommend but be careful of the listed features. The Sigma Art are huge but magnificent and superluminous, it would have been the top a 45 f2 as crisp as an art and even a little bigger than this.
Pros:Compactness, construction, dials, resistant weather, general yield, blurred, absence of chromatic aberrations, macro 1:4, all metal (including paraluce), made in Japan
Opinion:Dr. Jeckyll and Mr. Hyde! An analogue-flavored lens with sharpness and corrections from the latest digital generation. The yield is particular: at full opening it is already very sharp (unlike some reviews on the net that would give it little sharp) even on the 36mp of the Sony A7R, it is the contrast to be low and there is a very light veil as in the old lenses that at full opening often suffered from spherical aberration: not really a defect for me, useful for example in the occasional portraits. Add to that a gorgeous bokeh, from "Art Series". Closing the diaphragm, the "personality" changes, increases the contrast and perception of greater sharpness, becoming excellent throughout the frame to the intermediate diaphragms, therefore useful in the use of landscape or street (considering also the construction of first order and the discreet resistance to the weather) and maintaining a bokeh of the highest quality. The compactness, the low weight and the quality materials make it a lens to carry always with you, without much fear of scrambling it. On the Sony A7R the focus is relatively fast and is precise (I only use the af single). The list of Pros closes the native absence of chromatic aberrations, the pleasure of the use of the dials that move fluidly but with the maximum precision and macro capacity with factor 1:4 that can come in handy (to be used however to intermediate diaphragms). Too bad just for the opening, an f/2 would have made it a perfect goal.
Pros:Compact, light, made very good. Perfect construction.
Cons:Nothing but the design features.
Opinion:Particular optics. Made very good all over the frame already from TA. It improves further by closing the iris as logical to expect. It gets a little soft especially at TA at close range, let's say under the meter. But I don't think it's a flaw. Where it excels is in the blurry that makes the yield of this lens unique. Creamy as few gives materiality to images. They've corrected the spherical aberration per project. Not high contrast. Hard to get him out of the car! Too pleasant. UPDATE AFTER THOROUGH USE. Spectacular. I confirm what was said earlier, perhaps more emphatically. Optics that deserve a body of its own, if possible. If necessary, the softness under the meter can be corrected by Elpro 3 lens or similar. This gives the lens superior clarity.
Pros:Compact, manual diaphragms diaphragms dial, manual AF selector, weight
Cons:Price, only 2.8, spherical aberration even to the most closed diaphragms, impression of constant softness
Opinion:I had the chance to take a ride with my A7 II. The manual diaphragms ring (which can still be set automatically with machine adjustment) is a nice throw back to the past and speeds up use. For me a welcome return to the old days of film. The yield seems to me discreet, purple chromatic aberration absent even if in some cases you feel the green one. Seemingly a little soft, however it returns a certain feeling of plasticity. Perhaps a brighter thread could do it... July 2020 update - I finally bought it. I must say that some aspects of this lens at the time had escaped me, starting with the behavior to the most open diaphragms: the blurry becomes evanescent and gives a flou effect as in the images of the old boxes of chocolates. To the most closed diaphragms this effect disappears. Overall, this objective appears a little softer than the competition, but it may be an initial impression. August 2020 Update - The impression remains of a softness to all diaphragm openings, accompanied by a certain spherical aberration that makes you feel that there is always something wrong at the edges of the frame. And yet, somehow that I can't explain, this glass is forgiven.
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