Nikon's own websites have started leaking listings for the unannounced Z5IIC, giving photo retailers and working shooters an unusually early look at the specifications of a camera the company plans to announce on September 24.

The listings, captured in screenshots now circulating, corroborate a cluster of rumors that have accumulated over the past several weeks. Taken together, the leaks sketch a clear product strategy: Nikon wants a piece of the compact full-frame segment that Sony built with the a7C series.

Here is what the leaked material and updated rumors indicate about the Z5IIC:

• Direct competitor to the Sony a7C series. Nikon has not had a compact, rangefinder-style full-frame body in the Z mount lineup until now.
• 24 MP full-frame sensor, carried over in resolution terms from the existing Z5II.
• In-body image stabilization (IBIS).
• Based on the existing Nikon Z5II, which currently sells at B&H as the company's entry-level full-frame body.
• No electronic viewfinder. This is the defining omission for working photographers who shoot events, weddings, or anything in bright ambient light where rear-screen-only framing is a liability.
• A new autofocus recognition mode labeled "Fish."
• New video features, though the leaks do not specify what they are.
• Silver and black editions, with only the top plate finished in silver.

A September 24 announcement fits a documented timeline

The September 24 date does not come from a single anonymous claim. It lines up with a series of verifiable Nikon activities that Nikon Rumors has tracked this month:

Nikon scheduled an "exclusive product presentation" for September 25 in the UK, promoted with the language "Discover the latest product highlights and insights." The company's ambassadors have seen their schedules align with a late-September window. Nikon also ran server maintenance on September 15 — a routine step manufacturers take before website updates tied to product launches. Separately, Nikon registered a new camera, coded N2528, in China, bringing the total of known upcoming Nikon camera registrations to three.

What this means for buyers

For professionals and advanced hobbyists, the Z5IIC's value proposition hinges on price and handling. The Z5II base camera already delivers a 24 MP stabilized full-frame sensor at an entry-level price point. Removing the EVF and reformatting the body into a compact a7C-style shell suggests Nikon is targeting the travel, street, and content-creation market rather than its core professional base — the "Fish" AF recognition mode reads as an attempt to court underwater and aquarium shooters, or fishing-focused content creators.

The absence of a viewfinder will disqualify it for many working photographers who need an eyepoint in sunlight. But as a second body, a lightweight travel option, or a video-oriented B-cam within the Z ecosystem, the rumored spec sheet is coherent. Silver-and-black two-tone styling signals a consumer-leaning product, not a pro workhorse.

The usual caveats apply. These are leaks and rumors, not manufacturer confirmations — although the fact that the listings appeared on Nikon's own websites makes this among the harder categories of leak to dismiss. Specs such as the video features and the exact sensor implementation remain unverified, and pricing and availability dates have not leaked at all.

With the official announcement expected September 24 and the UK product presentation the following day, photographers weighing an a7C-series purchase may want to hold off for a week to see final pricing and independent test results before committing.