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Sigma 35mm F1.4 DG DN Overview


The Sigma 35mm F1.4 DG DN is a quick, average wide-angle prime lens for Sony Alpha full-frame and APS-C E-mount mirrorless cameras, the place it supplies a 52.5mm equal focal size. It is also accessible for Leica / Panasonic / Sigma L-mount cameras.

It options 15 parts in 11 teams, with two Particular Low Dispersion (SLD) parts, an Extraordinary Low Dispersion (ELD) ingredient, an ‘F’ Low Dispersion (FLD) ingredient and two aspherical parts.

There is a Tremendous Multi-Layer Coating to attenuate inside reflections in order that flare and ghosting don’t happen and a water and oil repellent coating on the entrance ingredient.

This lens boasts a dust- and splash-proof construction and has a minimal focusing distance of 30cm with a most magnification of 0.19x.

It has a rounded 11-blade diaphragm which creates a horny blur to out-of-focus areas of the picture and an inside focusing mechanism which implies the lens barrel would not transfer.

There’s a stepping motor for quick, quiet and exact auto-focusing, whereas the focusing ring supplies advantageous guide focus management.

A conventional aperture ring runs from f/1.4 to f/16 in third-stop increments with an Auto setting additionally accessible for camera-based aperture choice.

The Sigma 35mm F1.4 DG DN lens is on the market now priced at £749 / $899 within the UK and USA, respectively.

Ease of Use

Sigma 35mm F1.4 DG DN

Weighing in at 640g, the aluminium and Thermally Steady Composite (TSC) bodied Sigma 35mm F1.4 DG DN is comparatively gentle for such a quick, premium full-frame lens.

It is a little bit heavier than the comparable Sony FE 35mm F1.4, although, which at 524g is 106g lighter than this new Sigma different. The Sony lens equally makes use of a hybrid metallic and engineering plastic bodied building.

It’s a lot, lot cheaper than its foremost Sony rival, although, to the tune of round £750 within the UK and $500 within the US.

Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN

Its total measurement is well-suited to a digicam just like the Sony A7R IV that we examined it with, as proven within the product pictures. Even with the equipped hood connected, it’s nonetheless pretty discrete for such a quick 35mm lens.

It measures 75.5mm × 109.5mm, making it a little bit longer than the Sony FE 35mm F1.8, which measures 76 x 96mm.

Construct high quality is solely excellent, far exceeding what you may count on from such a keenly priced lens.

Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN

It incorporates a brass bayonet mount that is supposedly extra sturdy than a traditional metallic mount.

A rubber seal is integrated into the lens mount’s design to make it dust- and splash-resistant.

The Sigma 35mm F1.4 DG DN lens has a metallic lens mount and it accepts 67mm filters through metallic threads on the entrance of the lens.

Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN

The lens would not characteristic built-in optical picture stabilisation, relying as a substitute on the digicam physique’s stabilisation system.

The Sigma 35mm F1.4 DG DN lens has a really generously sized, ridged motor-assisted focus ring that’s properly damped. Guide focusing is feasible by utilizing the main focus mode change to toggle between AF and MF.

There are not any onerous stops at both finish of the vary, making it a little bit harder to set focus at infinity. Polariser customers must be happy that the 67mm filter thread would not rotate on focus.

Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN

The Sigma 35mm F1.4 DG DN lens utilises a stepping motor which produces silent and easy focusing, making it well-suited to taking pictures each stills and video, with the general lens size remaining fixed throughout focusing.

Relating to auto-focusing, it proved to be a fast performer on the Sony A7R IV digicam that we examined it with, actually as responsive because the Sony FE 35mm F1.4 lens.

We did not expertise very a lot “looking”, both in good or unhealthy gentle, with the lens precisely focusing nearly the entire time.

This lens has an Auto Focus Lock (AFL) button on the facet which as its title suggests might be held down together with your left thumb to lock the lens on the present focus level. Alternatively, this customizable button might be re-configured to regulate different key digicam settings.

Sony’s close to flawless Eye AF works completely with this lens, rapidly locking onto and monitoring the topic’s eye regardless of the wide-angle view, and it totally helps Sony’s DMF and AF+MF taking pictures modes.

Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN

The Sigma 35mm F1.4 DG DN lens options an aperture ring that has 1/3EV stops starting from f/1.4 to f/16 and an Auto setting for those who choose to set the aperture through the digicam physique.

There’s additionally a devoted change for locking the aperture dial when it is set to Auto to forestall it from being inadvertently moved , or to forestall it from being set to Auto when the aperture ring is turned ON to any place aside from A, successfully locking the vary between the utmost to minimal apertures.

Fortunately there’s additionally a Click on change on the lens barrel that allows you to de-click the aperture ring for silent operation throughout film recording or depart it on for stills images.

The Sigma 35mm F1.4 DG DN lens is not equipped with a lens case, but it surely does include an excellent high quality, hybrid plastic and metallic, petal-shaped lens hood (LH728-01).

This hood has a slender part that continues the ribbed texture of the lens barrel and a rubberized grip for simpler dealing with and a devoted lock button that retains it connected securely to the lens.

Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN

Focal Vary

The 35mm focal size supplies an angle of view of 63.4 levels on a full-frame digicam.

Sigma 35mm F1.4 DG HSM

Chromatic Aberrations

Chromatic aberrations, usually seen as blue or purple fringes alongside contrasty edges, have been readily obvious in our take a look at pictures significantly when taking pictures wide-open at f/1.4, showing in excessive distinction areas. The instance under present the worst-case state of affairs.

Sigma 35mm F1.4 DG DN

Gentle Fall-off

With the lens set to its most aperture of f/1.4, there’s apparent gentle fall-off within the corners, requiring you to cease down by not less than 2 f-stops to utterly stop it.

Sigma 35mm F1.4 DG DN


There’s some barrel distortion evident in each the JPEG and RAW information – the Sony Alpha A7R IV would not robotically apply any corrections to the JPEG information.

Sigma 35mm F1.4 DG DN


The Sigma 35mm F1.4 DG DN is able to producing very good sunstars when stopped-down to f/16, as proven under.

The lens is a little bit vulnerable to flare when taking pictures instantly into the solar, although, even with the equipped lens hood fitted.

Sigma 35mm F1.4 DG DN


The Sigma 35mm F1.4 DG DN is not claimed to be a macro lens, but it surely does usefully provide a minimal focusing distance of 30cm / 11.8in. and a most magnification of 0.19x. The next examples exhibit how shut you may get to your topic.

Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN


Bokeh is a phrase used for the out-of-focus areas of {a photograph}, and is normally described in qualitative phrases, similar to easy / creamy / harsh and so forth.

Within the 35mm F1.4 DG DN lens, Sigma have employed an iris diaphragm with 11 round blades, which has resulted in very interesting bokeh for a moderate-wide-angle lens.

We do realise, nevertheless, that bokeh analysis is subjective, so we have included a number of examples under on your perusal, all shot wide-open at f/1.4.

Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN
Sigma 35mm F1.4 DG DN


In an effort to present you the way sharp this lens is, we’re offering 100% crops on the next web page.

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