DermLite DL5 vs DL4: Which Dermatoscope is Right for You?

For over a decade, the DermLite DL4 has been the gold standard in dermoscopy. It is the device found in the pockets of thousands of Australian GPs and skin cancer specialists, trusted for its reliability and compact design. However, the release of the DermLite DL5 has introduced a new benchmark for diagnostic precision.

With significant upgrades in optics, lighting, and workflow, the DL5 is more than just a sequel—it is a leap forward. But does that mean you need to upgrade? This guide compares the two models side-by-side to help you decide which tool belongs in your practice.

At a Glance: The Key Differences

While both devices are hybrid dermatoscopes (offering both polarised and non-polarised modes), the DL5 offers tangible improvements in three critical areas: field of view, lighting versatility, and workflow efficiency.

1. Optics and Field of View

The first thing you will notice when picking up the DL5 is the visual immersion. It features a 32mm lens system, which is significantly larger than the 30mm lens on the DL4. While 2mm sounds minor on paper, in practice, it provides a much wider field of view, allowing you to see the entire lesion and the surrounding skin context without moving the device.

Furthermore, the DL5’s lens design offers exceptional edge-to-edge clarity. While the DL4 is excellent, the DL5 ensures that structures at the very periphery of your view remain almost as sharp as those in the centre, reducing the need to constantly reposition your eye.

2. Variable Polarisation: The Game Changer

This is the most significant clinical upgrade. The DermLite DL4 allows you to toggle between cross-polarised (to see deeper structures) and non-polarised light (to see features like milia cysts and the blue-white veil).

The DermLite DL5 takes this further with Variable Polarisation. Instead of a simple on/off switch, the DL5 lets you scroll through the entire polarisation spectrum from Cross-Polarised through Non-Polarised and to Linear Polarised. This allows you to fine-tune the glare and contrast, revealing subtle surface structures that might be hidden under full cross-polarisation. For difficult lesions, this granular control can make the difference in a confident diagnosis.

3. UV Mode and PigmentBoost™

The DL5 is the first dermatoscope to introduce a dedicated 365nm UV mode. This is particularly useful for assessing fluorescence in specific conditions (such as fungal infections or erythrasma) without needing a separate Wood’s lamp, all under 10x magnification.

Both models feature PigmentBoost™, a lighting setting that enhances the contrast of pigmented structures. However, the DL5’s implementation is more refined, providing you the ability to control the amount of Pigment Boost used.

4. Workflow and Usability

DermLite has clearly listened to user feedback when designing the DL5.

• Charging: The DL5 moves to USB-C, the modern standard. No more hunting for old micro-USB cables and being unsure which way to insert them.

• Ruler: The DL5 comes with a magnetic, 100mm steel ruler. It snaps onto the device handle, ensuring you always have a measuring tool ready for documenting lesion size and for estimating Biopsy Punch sizing.

• IceCap® System: Both models use the disposable IceCap® infection control system, ensuring they fit seamlessly into your existing hygiene protocols. These are particularly useful for open lesions or mucosal surfaces.

Which One Should You Buy?

Choose the DermLite DL4 if:

• Portability is your priority. It is slightly smaller and lighter, making it effortless to carry in a scrub pocket all day.

• You want a proven workhorse. It remains an exceptional diagnostic tool that exceeds the needs of most general practitioners.

• Budget is a factor. It offers professional-grade dermoscopy at a lower price point.

Choose the DermLite DL5 if:

• You want the best optics available. The 32mm lens and edge-to-edge clarity are unmatched.

• You manage complex skin cancer cases. The variable polarisation and UV mode give you more diagnostic data for difficult lesions.

• You prefer modern tech. USB-C charging and the included magnetic ruler make daily clinic life smoother.

Conclusion

Both the DL4 and DL5 are world-class instruments that will serve you well for years. If you are buying your first serious dermatoscope, the DermLite DL5 is the superior investment for its versatility and optical power. However, the DermLite DL4 remains a fantastic, compact choice for doctors who value portability above all else.

Ready to upgrade? View the full specifications and pricing for the DermLite DL5 and DermLite DL4 on our online store. As DermLite’s Australian importer, all DocStock dermatoscopes come with official 5 year warranties and fast shipping nationwide.