Design & Construction 

You asked for it and its finally here. The Sony FE 24-105mm f/4 G OSS was a much needed zoom lenses in Sony's continuously-growing lens lineup. Like every other Sony G lenses, build quality is simply top-notch. On the left side, there is (From Top-Bottom): the Focus ring, the G badge, a Focus Hold Button, the zoom ring, the AF | MF switch, and the Optical SteadyShot On/Off Switch. The Focus Hold Button can be set to do a function you prefer such as AF-On, Eye AF or any other function. You will need to customise after attaching the lens to the camera body. The AF | MF switch allows you to change between auto focus and manual focus quickly without flipping through the camera menu. While the Optical SteadyShot Switch allows you to turn on or off the the lens stabilisation should you desire. On the front, the lens accepts 77mm screw-in filters. The total dimensions of the lens are 83.4 x 113.3 mm and weighs in a lightweight 663g. Internally, there are 4 aspherical elements including 2  high-precision AA (advanced aspherical) reduce aberration, while 3 ED (Extra-low Dispersion) glass elements minimize chromatic aberration. A 9-bladed circular aperture helps create smooth bokeh. The lens has a constant F4 aperture throughout the zoom range and is fitted with the latest Direct Drive Super Sonic Motor (DDSSM) auto focus drive system to allow for quick, precise and silent focusing. Nano AR Coatings are also part of the package to help eliminate flare and ghosting. On the lens exterior, fluorine coating is used to prevent contaminants like oils, grime, and water from sticking to the front. It also makes them easier to remove if they do stick to the lens surface. A dust and moisture resistant design tops it off to help ensure that it survives the harshest of weather conditions. A 77mm lens cap, a rear lens cap, a petal type lens hood and a soft carry case are the accessories you will receive in the lens box.

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Image & Video Quality

The FE 24-105mm f/4 G OSS lens has a minimum focus distance of 0.38 meters (1.25ft.) and built-in optical image stabilization further enhance all-around versatility. The lens has a minimum aperture of f/22 and extends out when zoomed, but does not have any zoom creep when carrying around. Regarding optical quality, there isn't any visible pincushion distortion. vignetting, falloff, flares, ghostings, chromatic aberrations, diffractions or colour fringing. Bokeh is rendered with minimal cat's eye and no onion rings. Definitely a very sharp G lens! Shooting pictures wide-open at f/4, the sharpness isn't the best, hence I recommend stopping down to f/8 if possible, The sharpness is best around f/5.6 to f/11. If you need to throw off the background to have the smoothest bokeh, shoot at the maximum zoom, 105mm. Minimum apertures like f/22 are totally usable should you want sunstars or long exposures at night. On the video end, the lens performs flawlessly with minimal focus breathing when shifting focus on various subjects across the frame. The auto-focus works well together with the Sony Alpha bodies and grabs focus everytime.  

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PROS

• Ergonomic Handgrip

• Sharp Picture Quality

• Constant f/4 Aperture

• Usable for Videos

• Useful Zoomn Range

• Weather-Sealed

• Silent Focusing

• AF | MF Switch 

• Advanced Aspherical Optics

• Extra-low Dispersion Glass

• Focus Hold Button

• Lens Stabilisation

• Nano-AR Coating

• Fluorine Coating

• DDSSM Focusing Motor

• Lens Hood

• Soft Carry Case

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CONS​​​

• Lack of Manual Mechanical Focus

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The Bottom Line

The Sony FE 24-105mm f/4 G OSS lens is a versatile all-in-one zoom lens for those doing general photography. It is a great travel lens, covering wide-angles to mid-telephoto ranges. A constant f/4 range ensures that you don't lose light while zooming in to capture a photo. Sony has made history by delivering the best bang for your buck starter lens.