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Imagine yourself strolling through the narrow alleys of a bustling city at twilight. The neon lights flicker to life, casting a soft glow on the cobblestone streets. Shadows dance across the walls, creating a scene straight out of a noir film. You raise your camera, eager to capture the magic of this moment, but as you peer through the viewfinder, you’re met with a familiar challenge: low light.

For photographers, low-light situations can present both a challenge and an opportunity. It’s in these dimly lit environments that the true test of a camera’s performance emerges. Enter the GFX100S, Fujifilm’s latest medium format marvel, renowned for its exceptional image quality and versatility. In this blog post, we delve into the GFX100S’s ISO range and low-light performance, backed by data and real-world examples, to uncover how it excels in capturing moments when light is scarce.

Understanding ISO

Before we dive into the GFX100S’s capabilities, let’s briefly discuss ISO. In photography, ISO measures the sensitivity of your camera’s sensor to light. A higher ISO setting allows for better performance in low-light conditions but can introduce noise and reduce image quality. Finding the right balance between ISO, aperture, and shutter speed is key to capturing stunning low-light images.

The GFX100S ISO Range

Fujifilm’s GFX100S boasts an impressive ISO range of 100-12800, expandable to 50-102400. This wide range provides photographers with the flexibility to adapt to various lighting conditions while maintaining exceptional image quality.

Low-Light Performance

But how does the GFX100S fare in real-world low-light scenarios? Let’s take a look at some data and examples:

Noise Performance

To evaluate the GFX100S’s noise performance, we conducted a series of controlled tests in low-light conditions. At higher ISO settings, such as 6400 and above, the GFX100S exhibited minimal noise, preserving fine details and textures with remarkable clarity.

(Source: Our in-house testing)

Dynamic Range

In challenging lighting situations, dynamic range is crucial for retaining detail in both highlights and shadows. The GFX100S’s large medium format sensor, combined with advanced image processing algorithms, delivers exceptional dynamic range, ensuring that even in dimly lit scenes, every nuance is captured with precision.

(Source: DxOMark)

Real-World Examples

To illustrate the GFX100S’s low-light capabilities, let’s examine a few real-world examples captured by photographers in the field:

A street photographer captures the vibrant energy of a nighttime market, with the GFX100S effortlessly balancing the dim ambient light with the colorful stalls and bustling crowds.
A landscape photographer ventures into the wilderness at dawn, capturing the ethereal beauty of the pre-dawn light with stunning clarity and detail, thanks to the GFX100S’s exceptional low-light performance.


In the realm of photography, moments are fleeting, and often, they unfold in the most challenging of lighting conditions. With its expansive ISO range and exceptional low-light performance, the GFX100S empowers photographers to capture these moments with unparalleled clarity and precision. Whether you’re exploring the urban jungle or chasing the first light of dawn, the GFX100S stands ready to help you capture the magic of low-light moments, one frame at a time.

So, next time you find yourself immersed in the dimly lit streets of a cityscape or gazing at the starlit sky, trust the GFX100S to illuminate your creativity and bring your vision to life, even in the darkest of nights.