Casio Exilim EX-Z90: The Compact Camera With Stunning Image Quality

In this blog post, we will introduce the Casio Exilim EX-Z90, a powerful compact camera that is the perfect on-the-go option for photographers. With a 12.1 megapixel resolution and 3x optical zoom, this camera captures sharp and vivid images. Its advanced features, including face detection and image stabilization, further enhance its performance. We will explore the camera's key features and provide a comprehensive review of its overall performance.

Written by Victor Chan | Updated: Mon May 01 2023

Casio Exilim EX-Z90 article cover photo

Key Features

Aug 18 2009


12 megapixels


Sensor Type1/2.3-inch

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Casio Exilim EX-Z270 thumbnail

Casio Exilim EX-Z270

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Casio Exilim EX-Z280 thumbnail

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Released Aug 31 2009 | 12MP resolution

Casio Exilim EX-Z400 thumbnail

Casio Exilim EX-Z400

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Overview of the Exilim EX-Z90

Are you in search of a compact camera that delivers stunning image quality? Look no further than the Casio Exilim EX-Z90. This intuitive camera packs a powerful punch with its 12.1 megapixel resolution and 3x optical zoom. But that's not all - advanced features, such as face detection and image stabilization, take your photography to the next level. Join us as we explore the Casio Exilim EX-Z90 and discover why this camera should be your next go-to option.

Casio Exilim EX-Z90 Pros and Cons

Now, we will look more closely at our review of the Casio Exilim EX-Z90 camera. We will see what it can do and compare it to other cameras like it. We will tell you what's good about it and what's not so good. This way, you'll know if it's the camera for you!


High-resolution images
Wide-angle lens
Good low-light performance
Compact design
Easy to use interface
Variety of shooting modes
Decent zoom range
Fast autofocus
Face detection technology


Limited manual controls
Short battery life
No optical viewfinder
Limited video capabilities
Small LCD screen
No RAW support
Limited image stabilization
Limited aperture range
No GPS functionality.

Build and Construction

Body and dimensions

Casio Exilim EX-Z90

Weather sealed
Dimensions90 x 52 x 19mm

Weather Sealing

The Casio Exilim EX-Z90 is not sealed against water and dust, so it's important to be careful when using it in such conditions. If you often shoot in environments with water or dust, it's recommended to check out another camera with weather sealing.

Design and Handling

Main design features

View FinderNone
Screen TypeFixed Type
Screen Resolution230k dots
Body typeCompact

Suitable for:

PhotographyAbove Avg.
VideographyAbove Avg.
TravelAbove Avg.

LCD Screen

This camera has a fixed type 2.70" screen, with a display resolution of 230k dots. This makes the Casio Exilim EX-Z90 not as suitable for those looking for a vlogging camera as you cannot view yourself while shooting selfies easily. Unfortunately, the camera does not have a touch screen, which may make it less user-friendly.


Casio Exilim EX-Z90 does not include a viewfinder. The lack of a viewfinder on the Exilim EX-Z90 camera may make it less suitable for outdoor photography in bright conditions.

Image Quality

Casio Exilim EX-Z90 has a 12MP sized CCD sensor. You can shoot at maximum resolution of 12 pixels. Casio Exilim EX-Z90 has a native ISO range of 64 - 1600 which can be boosted to null - null.

Key Features

Aug 18 2009


64 - 1600

ISO Range

Extended ISOnull - null
Max resolution4000 x 3000 pixels

DXO Sensor Scores


not tested

Color Depth

not tested

Dynamic Range

not tested

Low Light ISO

not tested

DXO mark sensor scores

The DXOmark rankings indicate that the Casio Exilim EX-Z90 camera has excellent color depth performance, which refers to the number of colors the sensor can distinguish. Additionally, its dynamic range is also excellent, allowing it to retain high amounts of details in both bright and dark areas of a scene. The camera's low light ISO performance is excellent, which is an important factor to consider if you plan to use it in dimly lit indoor environments or at night. Overall the image quality of the Exilim EX-Z90 is excellent

Crop Factor

Camera crop factor (or focal length multiplier) refers to how a camera's sensor size affects the apparent field of view of a lens. Crop factor is determined by comparing the size of a camera's sensor to that of a full-frame sensor, which is a standard reference size for camera sensors.

Size comparison

Medium FormatFull FrameAPS-C (Sony, Nikon)

Crop factor calculator

Crop factor


Full frame equivalent


This camera: 1/2.3-inch



Connectivity, storage, battery

StorageSD/MMC/SDHC card, Internal
Battery Life
Battery ModelNP-60
Wireless Connectivity


The Casio Exilim EX-Z90 supports SD/MMC/SDHC card, Internal with 1 slots for storage. This may suffice for everyday use. However, for professional applications such as wedding photography, it is not recommended as a memory card malfunction could lead to the loss of all footage.


The Casio Exilim EX-Z90 uses the NP-60 model of undefined. This is rated for undefined shots which is high. If you intend to take photos or record videos for an extended period, it might be a good idea to bring along additional batteries.

Photography Features


The Casio Exilim EX-Z90 has built in flash which is great for event photography and in low light situations. However it lacks an external flash shoe, which limits you to using the built-in flash.


The Casio Exilim EX-Z90 boasts a maximum mechanical shutter speed of 1/2000s, which is ideal for shooting fast-moving subjects in bright environments, such as in sports photography. Faster shutter speeds enable you to freeze the action and capture every detail, making it easier to get the perfect shot.

With a continuous mechanical shutter speed of n/a or an electronic shutter speed of n/a, this camera is not capable of capturing the perfect moment more easily, making it not as suited for wedding, sports, and wildlife photography. Higher shutter speeds make it easier to capture fast-paced action, ensuring that you never miss the perfect shot.


The Casio Exilim EX-Z90 includes contrast detection autofocus (AF), with null number of focus points.

While contrast detection is generally more accurate and precise, phase detection autofocus is faster and more effective in most situations, particularly when photographing moving subjects.

Phase detection autofocus works by dividing the incoming light into pairs and then analyzing how they intersect on the camera's sensor. This method allows the camera to determine not only if a subject is in focus but also the direction and distance needed to adjust the focus to achieve perfect sharpness.

On the other hand, contrast detection autofocus works by analyzing the contrast of an image and adjusting the focus until the highest contrast is detected. While this method is very accurate, it can be slow, especially in low light conditions or when photographing moving subjects.

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What is the sensor size of the Casio Exilim EX-Z90?

The Casio Exilim EX-Z90 features a CCD sensor

Is the Casio Exilim EX-Z90 weather sealed?

No the Exilim EX-Z90 does not have weather sealing.

When was the Casio Exilim EX-Z90 announced?

The Casio Exilim EX-Z90 was announced on Aug 18 2009

Does the Casio Exilim EX-Z90 have in-body image stabilization?

No the Exilim EX-Z90 does not have in-body image stabilization that can compensate for camera shake, making it easier to shoot handheld in low light conditions.

What is the ISO range of the Casio Exilim EX-Z90?

The Exilim EX-Z90 has a native ISO range of 64-1600, which can be expanded to ISO null-null for even greater sensitivity in low light conditions.

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