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Gear
Feb 22, 2023
7 min read

How to Choose the
Right Camera Lens

Just Basl Productions
By Jarrod Sumpter  —  Director & DP, Just Basl Productions

The camera body gets all the attention. The lens makes the image.

I’ve shot on almost every major cinema camera body over the past 15 years. The images that I’m proudest of — the ones that made clients tear up or send me messages months later about how a piece of footage still moves them — were almost always made with exceptional glass. The camera was the delivery mechanism. The lens was the artist.

Primes vs. Zooms

The core choice in building a lens kit is primes versus zooms. Here’s my honest take after years of using both:

Primes give you maximum optical quality, maximum aperture (important for low light and shallow depth of field), and maximum character. A great prime at f/1.4 or f/2 produces an image that a zoom simply can’t match. The tradeoff is that you have to move your feet to change your composition — and on a fast-moving documentary day, that can slow you down.

Zooms give you flexibility. Our DZOFilm 18-35mm and 70-135mm cover an enormous range of situations efficiently, and they’re excellent glass. For run-and-gun work, event coverage, or multi-location days, zooms often make the better creative choice because they let you respond to what’s in front of you without stopping to change glass.

“The camera body gets all the attention. The lens makes the image.”

Understanding Focal Length and Its Effect

Focal length doesn’t just determine how much of the scene you see — it determines the feel of the image. Wide lenses (16-35mm) create a sense of environment and proximity but can distort faces at close distances. Mid-range lenses (50-75mm) approximate how the human eye sees and feel neutral and honest. Long lenses (85-135mm+) compress distance, isolate subjects, and create beautiful background separation.

For interview work, I almost exclusively use 50-85mm. It flatters faces, creates natural separation from the background, and feels intimate without distortion. For environmental B-roll, I’ll use wider lenses to establish context. For detail shots and beauty footage, longer glass compresses and isolates beautifully.

Our Lens Kit and Why

Our primary set is the Cooke SP3 primes — 18, 25, 32, 50, 75, 100mm. These are cinema lenses in the truest sense: consistent color and character across the entire set, beautiful bokeh, a warmth to the image that clients consistently respond to. They’re not cheap, but they’re the reason our footage looks the way it does.

The Sigma ART set covers situations where we need speed (f/1.4 at 35 and 50mm) or versatility. For B-camera or corporate work where the Cooke set would be overkill, the Sigmas deliver excellent quality at a fraction of the cost.

Budget Lenses Worth Considering

If you’re building a kit from scratch, the Sigma ART series offers genuinely excellent optical quality at prices that don’t require financing. The DZOFilm zooms have surprised me repeatedly with their quality-to-cost ratio. You don’t need to spend Cooke money to make great images — but you do need to invest in glass that was designed with image quality as the priority.

Buy the best glass you can afford and protect it.

Ready to work together?

“Curious about what glass would work best for your project? Let’s have that conversation.”

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Written by

Jarrod Sumpter
Director & DP

15+ years in production across Colorado and the United States. Cinematic storytelling, live broadcasts, and strategic asset libraries for brands that want to move people.

Filed under

GearCinematographyLenses

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