Sigma 45mm f/2.8 DG DN C : Specifications and Opinions

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 546 €;

17 users have given it an average vote of 9.2 out of 10.

MOUNT

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.

Specifications
Focal lenght	45 mm
Angle of view	51.3°
Format	FF, APS-C
Max. aperture	f/2.8
Aperture blades	7
Lenses/Groups	8 elements in 7 groups
Min. focus distance	0.24 meters
Reproduction ratio	0.25x
Features
Stabilization	No
Focus	Stepper Motor
Internal Focus	Yes
Built and notes
Tripod ring	No
Extenders	No
Filters	55 mm
Lens hood	Yes, supplied
Weather sealing	Yes
Weight	215 g
Dimensions	64 x 46 mm
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Reviews

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The following opinions have been automatically translated with Google Translate.

Mrderelict

sent on 19 Febbraio 2026

Pros: Construction, aperture ring, size, optical quality.

Cons: A little soft blurred it, but just to say a negative thing.

Opinion: My first L-Mount lens, tested on S5 and Sigma Fp. As a kit lens I would say excellent, sharp and quite bright. Compact size and great materials. On the Fp, after trying various lenses, even of greater value, I saw a good, if not excellent autofocus. All in all, for what it costs, I'd say it's a great lens. Vote 8 and 1/2.

Thealby87

sent on 29 Luglio 2022

Pros: Sharpness, versatility, build quality.

Cons: Nothing

Opinion: One of my favorite lenses, many of my best photos I took with this one. Lightweight, versatile, great for both landscapes and portraits. Solid, top build quality. Inevitable in my outings. The fact that at full aperture presents decrease in contrast, but I maintain an excellent blurred for me is definitely a merit, it gives a vintage touch to the photos.

user96437

sent on 04 Maggio 2022

Pros: Construction, compact and lightweight. Special features

Cons: Price, particular objective, difficult to find a place of use.

Opinion: For once the reviews agree. From f4 onwards it is a great goal, I dwell on the "different" part. At f2.8 there are vintage style aberrations (halos) but there is still a part of detail that in vintage there is not really a TA in principle. The blurred benefits, the effect and the more marked the closer we get. Especially in the highlights and the whites. You may or may not like it but it is certainly a lens that goes beyond the norm. Knowing how to tame and exploit it can give excellent satisfaction. Difficult to place it in a kit, it can not replace a classic 50mm or 35mm. Let's say it's a plus. However, I consider the price excessive for a 45mm f2.8. At close ranges, aberrations undermine Panasonic's AF in special circumstances. Offering it in kits was not a great idea. There are many used and the price becomes more congruous. I see it better on Sony or Sigma FP bodies, it was the first lens called the I series (compact and light) and I think it was born precisely for the FP. I recommend it for lovers of vintage and blurred particular. Those looking for a small and light "normal" focal length, otherwise it is better to go on a classic.

Fabrizio Batisti

sent on 16 Maggio 2020

Pros: Exceptional construction, metal lampshade and diaphragms' diaphragms' diaphragms

Cons: Ta Behavior

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.

DomenicoZauber

sent on 22 Ottobre 2019

Pros: Compactness, construction, dials, resistant weather, general yield, blurred, absence of chromatic aberrations, macro 1:4, all metal (including paraluce), made in Japan

Cons: F/2.8 only

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.

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Sigma 45mm f/2.8 DG DN C : Specifications and Opinions

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Reviews

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Photos taken with Sigma 45mm f/2.8 DG DN C