Sony launches the FE 100-400mm F5.6-8 OSS, a lightweight, affordable zoom aimed at hobbyists and emerging photographers wanting long reach without the bulk of professional-grade optics.
Sony’s new FE 100-400mm F5.6-8 OSS is aimed squarely at photographers who want long reach without the bulk and expense usually tied to a super-telephoto zoom. According to Digital Camera World, the lens launches at $849 and is intended for hobbyists and developing users who want an affordable way into wildlife, travel and action photography. It is also positioned as a lighter alternative to larger pro-grade optics, with Sony targeting a segment that has often been forced to choose between image quality, portability and cost.
The appeal starts with the physical design. Sony says the lens weighs 654g and measures 78.2 x 164.5mm, making it unusually compact for a full-frame 100-400mm zoom. Digital Camera World reports that the optical formula uses 15 elements in 10 groups, including extra-low dispersion and aspherical elements, plus a nine-blade diaphragm for smoother out-of-focus areas. Close-up performance is respectable for the class, with a minimum focusing distance of 0.86m at the long end and a maximum magnification of 0.41x. Sony also supports teleconverter use, extending the range to 800mm.
Hands-on impressions suggest the lens is designed to be carried and used often rather than kept in a studio bag. In sample testing published by DPReview, the lens was described as easy to pack with a Sony a7R V and comfortable to take on hikes. That same report noted a useful set of controls for the price, including a focus limiter, function button and zoom lock, although lens creep remains an issue when walking with the lens extended. DPReview also said the zoom ring is easy to operate and that the lens feels better in the hand than its price might suggest.
Autofocus is another area where Sony appears to have kept performance central to the design. According to Digital Camera World, dual linear motors provide quick and quiet focusing, which should suit fast-moving subjects and mirrorless bodies such as the Sony A7 V and A9 III. DPReview found the autofocus to be fast and reliable in real-world use, but was less impressed by the manual focus ring, which it said felt stepped and imprecise. That may matter most when subject detection fails, particularly for birding or close work on flowers.
The new model should be seen against Sony’s more expensive telephoto options. Digital Camera World separately reported on the FE 100-400mm f/4.5 GM OSS, a far larger and pricier lens designed for professionals, with internal zoom, internal focus and faster autofocus hardware, but also much greater weight and a much higher asking price. By contrast, the new F5.6-8 OSS looks intended as a practical entry point for users who want real telephoto reach in a body they can reasonably carry every day.
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