Sony E PZ 18-105mm f/4 G OSS Lens

The Sony E PZ 18-105mm f/4 G OSS is a versatile mid-range standard zoom lens designed for Sony’s APS-C E-mount mirrorless cameras, fitting into Sony’s higher-end G-series lineup. It’s aimed at photographers and especially videographers who want a single lens covering wide-angle through short-telephoto framing with consistent aperture performance across the entire zoom range.

Optically, the lens covers an 18-105mm focal range, delivering a 27-157.5mm full-frame-equivalent field of view on Sony’s APS-C sensor, with a constant f/4 maximum aperture maintained throughout the zoom. The 16-element, 10-group optical design includes two ED (Extra-low Dispersion) glass elements and three aspherical elements, combating chromatic and other aberrations for crisp, clean images, while a 7-blade diaphragm contributes to smooth background rendering.

A standout feature of this lens is its power zoom mechanism, using Handycam technology borrowed from Sony’s camcorders to provide smooth, quiet, floating-axis zooming well suited to video work. Photographers can zoom via a side-mounted lever with adjustable speed control, or using the manually rotatable zoom ring, and because an independent focus ring is provided, the zoom ring can be used for power zoom control even while manually focusing. Autofocus is handled by a stepping motor, offering full-time manual focus override, and the lens maintains the same physical length whether at its widest or most telephoto setting (rotary internal zoom design). Built-in Optical SteadyShot (OSS) image stabilization helps reduce blur from camera shake.

Build quality is typical of Sony’s premium E-mount lenses, with a robust aluminum outer barrel and a metal lens mount, though it is not weather-sealed. The non-rotating front accepts 72mm filters, making polarizer use straightforward. Minimum focus distance varies across the zoom range, from 0.45m at 18mm to 0.95m at 105mm, yielding a maximum magnification of 0.11x. The lens measures approximately 78 x 110mm and weighs approximately 427-482g (reported weights vary slightly by source).

As an APS-C-specific lens, the Sony E PZ 18-105mm f/4 G OSS is designed exclusively for Sony’s APS-C E-mount mirrorless cameras and does not cover a full-frame image circle.

Key Features
– 18-105mm constant f/4 standard zoom for Sony APS-C E-mount
– Approximately 27-157.5mm full-frame-equivalent field of view
– 16 elements in 10 groups, including 2 ED elements and 3 aspherical elements
– Power zoom lever with Handycam-derived floating-axis technology
– Stepper motor autofocus with full-time manual focus override
– Built-in Optical SteadyShot (OSS) image stabilization
– 7-blade diaphragm
– Rotary internal zoom design (constant length)
– Robust aluminum barrel with metal mount; not weather-sealed
– Minimum focus distance of 0.45m (wide) to 0.95m (tele); 0.11x maximum magnification
– 72mm filter thread
– Approximate weight: 427-482g
– Designed exclusively for Sony APS-C E-mount mirrorless cameras