Which focal lengths earn their place in a commercial kit, what each is genuinely for, and why the expensive zoom is not always the right answer.
Gear discussions usually skip the only question that matters commercially: what does this lens let me deliver that I could not deliver otherwise?
The three that do most of the work
35mm. Environmental shots — a product in its context, a team in their workspace, a venue with room around the subject to explain where it is. Wide enough to include the setting, long enough not to distort it.
50mm. The closest thing to how a person sees. The safe choice for lifestyle work and for anything where the viewer should not notice the lens at all.
85mm. Portraits and detail. Compression flatters faces, and the working distance is far enough that a subject stops performing for the camera.
If a studio owns nothing else, these three cover perhaps eighty per cent of commercial briefs.
The specialist that pays for itself
A 90mm or 100mm macro. Not optional if you shoot products. Fabric weave, stitching, machining marks, the finish on a coating — these answer the buyer's real question, which is what is the quality actually like. No amount of sensor resolution substitutes for a lens that focuses close.
We often shoot the catalogue hero on the macro too, because the flat field keeps straight edges straight.
Zoom versus prime, honestly
A 24-70mm f/2.8 is one lens covering three of the focal lengths above, and on a location shoot where you cannot walk backwards it will save the day. It is also heavier, a stop slower, and a little softer wide open than any prime it replaces.
Our rule: primes in the studio where we control the distance, the zoom on location where we do not.
Tilt-shift, and when it is genuinely needed
Architecture and interiors. Point a normal wide lens up at a building and the verticals converge, which reads as amateur to anyone selling property. A tilt-shift lens keeps them parallel in camera.
Software can correct convergence, and for a social post nobody will notice. For a property brochure at print size, the in-camera version holds up and the corrected one does not.
If you are commissioning rather than shooting
You do not need to know any of this. But if a studio quotes for a product catalogue and there is no macro in the kit list, ask how they plan to shoot detail. If they are shooting your building on a 16mm with no plan for the verticals, ask to see a similar job first.
The lens is not the point. Knowing which one the job needs is.
- lenses
- commercial photography
- equipment
- technique
