A new exhibition, Penn & Fashion, sets out to celebrate what its organisers call the era-defining fashion photographs of Irving Penn — the American master whose studio work reshaped how the industry pictured clothing, models and modernity itself.

The show's title signals its intent. This is not a retrospective of Penn's full oeuvre — the ethnographic portraits, the still lifes of cigarette butts or street debris — but a focused look at the fashion imagery that made his name and, in the view of the exhibition's framers, defined his era. The South China Morning Post's coverage presents the exhibition squarely as a celebration: an argument that Penn's fashion work deserves standing alongside his better-known portraiture as some of the most influential commercial image-making of the twentieth century.

That argument is easier to make than most. Penn spent the better part of seven decades shooting for Vogue, where his precise, spare, grey-seamless studio style became one of the magazine's visual signatures. Where fashion photography before him often relied on theatrical staging and elaborate sets, Penn stripped the frame back — a corner, a backdrop, a model, a dress — and let the composition carry the drama. The result was a new grammar of fashion imagery: austere, sculptural, and intensely attentive to the garment as an object of form rather than fantasy.

What the exhibition appears keen to stress is endurance. The phrase "era-defining" is doing deliberate work in the show's presentation. Fashion photography is routinely treated as ephemeral — images made for a season, discarded with the issue. Penn's career is the strongest available counter-case: pictures commissioned for the page that entered the permanent collections of museums and the canon of photographic history. A show devoted to that body of work is, implicitly, an argument for taking fashion imagery seriously as art-historical material.

For audiences in Asia, where the exhibition is being covered by the Post, the show also offers a chance to trace the lineage of contemporary fashion photography back to one of its strictest practitioners. Penn's influence runs through generations of studio photographers who absorbed his lessons: that restraint can outperform spectacle; that a neutral background concentrates attention; that the model is a collaborator in composition rather than a mannequin. Any visitor who has seen a modern campaign shot against seamless grey has, in some sense, already seen Penn.

The celebration framing does raise the usual curatorial question. A show built as a tribute risks flattening the tensions in Penn's work — the coolness of his gaze, the clinical precision that critics have sometimes read as detachement rather than reverence. Penn himself was famously exacting, and his fashion images can feel less like romance than like investigation: every fold, seam and drape examined with the eye of an engineer. Whether the exhibition engages that critical edge, or simply basks in the glamour of the archive, will determine whether it functions as history or as homage.

What is not in question is the material. Even a partial gathering of Penn's fashion photographs constitutes one of the great bodies of work in the medium — images that turned commercial assignment into formal invention, season after season, for the length of an extraordinary career. If the show delivers on its title's promise, visitors will encounter fashion photography at the moment it learned to think like fine art.

For now, Penn & Fashion stands as both exhibition and argument: that the pictures Penn made for the magazine page were never merely of their moment, but of every moment since.