The Apple iPhone 15 Pro Max (2023) is the first iPhone with a 5× periscope telephoto and the first with a titanium frame. It has no mechanical shutter — the image counter stored in each ProRAW DNG file records total electronic captures. Drop a ProRAW file to read it instantly.
Check Image Counter →The iPhone 15 Pro Max is powered by Apple’s A17 Pro chip (3 nm, first 3 nm chip in a smartphone, 6-core GPU, hardware ray tracing) and features the first iPhone titanium frame (Grade 5, lighter and stronger than stainless steel). The triple-camera system: a 48 MP main Fusion sensor (f/1.78, second-generation sensor-shift OIS, 24 mm equiv), a 12 MP ultrawide (f/2.2, 120°, fixed focus), and the landmark 12 MP 5× Tetra Prism telephoto (f/2.8, 120 mm equiv, OIS — exclusive to the 15 Pro Max; the 15 Pro had a 3× telephoto).
Like all iPhones, the 15 Pro Max uses CMOS electronic readout only. There is no mechanical focal-plane shutter. Every ProRAW capture — regardless of which lens — increments the persistent image counter embedded in the DNG MakerNote.
| Model | Release | Main Sensor | Telephoto | Shutter Type |
|---|---|---|---|---|
| iPhone 15 Pro Max | 2023 | 48 MP CMOS (f/1.78) | 5× 120 mm Tetra Prism | Electronic only |
| iPhone 15 Pro | 2023 | 48 MP CMOS (f/1.78) | 3× 77 mm | Electronic only |
| iPhone 16 Pro | 2024 | 48 MP CMOS (f/1.78) | 5× 120 mm | Electronic only |
| Canon EOS R5 II | 2024 | 45 MP FF CMOS | — | Mechanical + Electronic |
.dng extension.exiftool -ImageNumber yourfile.DNG to read the counter directly.The image counter is a useful indicator of how intensively the device was used. Key hardware factors to evaluate on a used 15 Pro Max:
| What to Check | How |
|---|---|
| Battery health | Settings → Battery → Battery Health & Charging. Apple recommends replacement below 80% maximum capacity |
| Display condition | Inspect the 6.7-inch Super Retina XDR OLED ProMotion for burn-in (check on grey background), dead pixels, or edge separation |
| Titanium frame | Inspect Grade 5 titanium edges for dents or cracks; titanium is very hard but not immune to impact damage |
| Camera lenses | Check all three lenses for scratches or fogging; specifically test the Tetra Prism 5× telephoto for autofocus accuracy at distance |
| USB-C port | Inspect the USB-C connector for lint or pin damage; test USB 3 transfer speeds with a compatible cable to verify full-speed operation |
| Action Button | Press and hold the Action Button to verify functionality and haptic feedback |
| Image counter | High count (>50,000) indicates intensive use — useful context, not a hardware failure indicator |
Apple ProRAW on the 15 Pro Max uses multi-frame RAW fusion: it combines multiple raw sensor frames with Deep Fusion, Smart HDR 4, and (where applicable) Night Mode processing into a single DNG. The result is a partially-computational RAW file with outstanding editing flexibility, compatible with Lightroom, Capture One, darktable, and any DNG-capable editor.
The image counter is stored in the DNG EXIF metadata under the ImageNumber field within Apple’s MakerNote IFD. This persistent hardware counter increments with every capture across all camera modes — Photo, Portrait, Action, Cinematic, Panorama — and cannot be reset by factory restore or iOS reinstall.
The iPhone 15 Pro Max supports ProRAW at two resolutions: standard 12 MP and ProRAW MAX at 48 MP (enabled via the 48MP toggle in Camera settings). ProRAW MAX files are larger (~75–100 MB) but offer maximum detail from the 48 MP main sensor. The image counter is embedded identically in both resolutions.
No. All iPhones use CMOS electronic readout. There is no focal-plane shutter mechanism and no rated mechanical lifespan. The Action Button is a programmable switch, not a mechanical shutter release.
Yes, within the iPhone 15 generation. The 15 Pro had a 3× telephoto; only the 15 Pro Max received the 5× Tetra Prism design. Starting with the iPhone 16 Pro, both Pro and Pro Max share the 5× telephoto.
No. The image counter is stored in persistent hardware memory and cannot be reset by a factory reset, iOS update, or any user action. It is a reliable indicator of total device usage history.
Casual users accumulate roughly 5,000–20,000 captures per year; active photographers or content creators may exceed 50,000 per year. There is no mechanical wear threshold — battery health and physical condition are the primary used-device metrics.
The 16 Pro Max adds the Camera Control button, a larger 6.9-inch display (vs 6.7-inch), an A18 Pro chip (vs A17 Pro), a 48 MP ultrawide with autofocus (vs fixed-focus 12 MP on 15 Pro Max), and improved 4K/120fps video. The 5× telephoto lens design is similar; ProRAW and the image counter mechanism are the same on both.