ReeXpose is uniquely focused on RAW long exposure photography, producing a single full 12-bit DNG file, for broader dynamic range, enhanced editing capabilities and best image quality.

Reeflex Pro Camera instead provides two capture modes: the classic "still" photography mode (in compressed JPG, HEIF, TIFF formats and RAW) and the Slow Shutter modes, meaning the long exposure photography mode (only in compressed formats = JPG, TIFF, HEIF).

ReeXpose is mostly suited for experienced photographers looking to set the bar higher with their long exposure photography, being able to work on RAW files (DNG), which means higher dynamic range and enhanced editing capabilities necessarily requiring post-processing after the photo is captured.

Reeflex Pro Camera has a broad scope and versatility, offering both "still" photography and LE photography in compressed formats. Reeflex is aimed to best serve a broader audience of photographers, more or less experienced (and beginners).


Due to a well-known internal bug of the iOS system, which is common across all third-party camera apps, one can at times experience a failure in having photos being saved when shooting in RAW and ProRAW formats.

This issue is caused by the other apps which one has running in the background, that create conflicts in terms of the available device memory, which is highly impacted when shooting in RAW and ProRAW, as those formats require an extremely intense amount of data processing when captured.

Currently the only available solution to this is to close all apps in the background to free up the device’s memory.

However we do also provide a “BACKUP function” within the app, which will allow you to save a copy of each photo in the files library and make them available in the Files app. This backup feature is already avaialble in the Settings within the "Capture Options".

To learn more, have a look at our ReeXpose Tutorial: https://reeflexstore.com/pages/reexpose-tutorial

Reeflex Pro Camera and ReeXpose apps utilize Reeflex-designed algorithms to produce computational long exposure photography. This works very differently than how long exposure photography is usually produced with a regular DSLR camera, and provide incredible results with ease and without needing ND filters. The apps in fact take multiple pictures and stacks them together for creating a long exposure photo, a process often called Frame Averaging.

In the app, the shutter speed (SS) is related to the sensor and is translatable to the shutter speed in a DSLR. While the capture duration is the total time during which the app keeps acquiring frames which are then merged together.

As an example, if you would set a SS of 1s and a capture duration of 10s, the app will acquire 10 separate photos (each acquired with 1s shutter speed) and will stack them to produce the final result.

RAW and ProRAW photos captured on an iPhone use the industry standard digital negative (DNG) file format.

DNG is a lossless format equivalent to RAW. Originally DNG is an Adobe's proprietary image standard that was created to store image data in a generic, highly compatible format. DNG is the file used for all RAW photos on an iPhone.

You can open both type of files with the majority of the editing apps out there - like Lightroom, Darkroom, etc - which are compatible with DNG files.

You can share the original unedited RAW or ProRAW photo, which has the .DNG file extension. And if you edit the photo in the Photos app, you can also share the edited version, which has the .JPG file extension when shared.

More info on the official apple support: https://support.apple.com/en-sa/HT211965

Please follow these instructions to download the DNG from iCloud:


The solution is to download the file as original. The same applies if you try to import the file from your local computer. If you have a mac, here is what you do:

1. Connect your iPhone and open the Photos app.
2. Import the file
3. Select the RAW file from the imported ones.

Click "File" -> "Export" -> "Export" unmodified original. You will find the DNG in the location you chose for saving.




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