Elegoo has been producing MSLA resin 3D printers since 2017, offering compact and mid‑range systems for users requiring predictable curing behavior, stable optical performance and broad resin compatibility. The Mars‑series has evolved through multiple generations, introducing improvements in LCD resolution, optical uniformity, mechanical rigidity and workflow efficiency. This page provides a technical overview of the complete Elegoo Mars‑lineup and outlines how each model fits within resin‑based workflows.
Generational evolution of the Elegoo Mars‑series
The Mars‑series has progressed through several key hardware generations:
- – Early generation: RGB‑LCD systems with limited irradiance and slower exposure behavior.
- – Second generation: 2K monochrome LCDs with faster curing, improved stability and longer LCD lifetime.
- – Third generation: 4K monochrome LCDs with finer pixel density and improved optical uniformity.
- – High‑resolution generation: 9K and 12K LCDs with collimated optical engines and enhanced mechanical rigidity.
- – Large‑format variants: extended build volumes with reinforced Z‑axis assemblies and optimized optical paths.
Each generation introduced measurable improvements in pixel size, irradiance uniformity, mechanical stability and overall MSLA workflow performance.
Elegoo Mars‑series comparison table
The table below summarizes the core hardware specifications across the Mars‑series. These parameters highlight differences in LCD resolution, pixel size, build volume, optical systems and mechanical design that influence curing behavior and print performance.
| Model | LCD type | Resolution class | Pixel size | Build volume (mm) | Optical system | Z‑axis | Notes |
|---|---|---|---|---|---|---|---|
| Mars (Original) | RGB LCD | ~2K class | ~47–50 µm | 120 × 68 × 155 | Standard MSLA LEDs | Single rail | Entry‑level RGB system |
| Mars 2 | 2K Mono | 2K | ~50 µm | 129 × 80 × 160 | COB LED array | Single rail | Faster curing than RGB |
| Mars 2 Pro | 2K Mono | 2K | ~50 µm | 129 × 80 × 160 | COB LED array | Single rail | Improved stability |
| Mars 3 | 4K Mono | 4K | 35 µm | 143 × 89 × 175 | COB + Fresnel | Single rail | Higher resolution |
| Mars 4 | 4K Mono | 4K | ~35 µm | 153 × 77 × 165 | Standard MSLA optical system | Single rail | Affordable 4K system |
| Mars 4 Max | 4K Mono | 4K | ~34–36 µm | 195 × 122 × 200 | Standard MSLA optical system | Dual rails | Large‑format 4K |
| Mars 4 Ultra 9K | 9K Mono | 9K | ~18–20 µm | 153 × 77 × 165 | Collimated optical engine | Dual rails | High‑resolution MSLA |
| Mars 4 DLP | DLP | DLP | N/A | Compact | DLP projection | Single rail | Alternative optical path |
| Mars 5 | 6K Mono | 6K | ~20–22 µm | Mid‑range | Enhanced MSLA system | Dual rails | Next‑generation MSLA |
| Mars 5 Ultra | 12K Mono | 12K | ~16–19 µm | Mid‑range | Collimated optical engine | Dual rails | High‑precision MSLA |
Model‑specific positioning within the Mars‑series
The overview below outlines how each Elegoo Mars model fits within the series, highlighting differences in resolution class, optical systems and mechanical design relevant for resin‑based workflows.
Entry‑level systems
Designed for basic resin workflows and general‑purpose photopolymers.
- – Elegoo Mars (Original)
- – Elegoo Mars 2
Improved second‑generation systems
Faster curing, improved stability and broader resin compatibility.
- – Elegoo Mars 2 Pro
Mid‑range 4K systems
Higher resolution and improved optical uniformity.
- – Elegoo Mars 3
- – Elegoo Mars 4
- – Elegoo Mars 5
Large‑format 4K systems
Extended build volume with reinforced mechanics.
- – Elegoo Mars 4 Max
High‑resolution MSLA systems
Fine pixel density, collimated optical engines and enhanced mechanical rigidity.
- – Elegoo Mars 4 Ultra 9K
- – Elegoo Mars 5 Ultra
Alternative optical architecture
DLP‑based projection for specific use cases.
- – Elegoo Mars 4 DLP
Workflow characteristics across the Mars‑series
Across all generations, the Mars‑series is designed for:
- – predictable curing behavior
- – stable optical output
- – broad compatibility with 405 nm photopolymers
- – short to moderate exposure times
- – minimal maintenance requirements
Higher‑resolution models introduce:
- – finer XY detail
- – improved irradiance uniformity
- – reduced edge‑area variation
- – enhanced dimensional accuracy
When to choose a specific Elegoo Mars model
- – Choose Mars / Mars 2 / Mars 2 Pro for entry‑level workflows and general‑purpose resins.
- – Choose Mars 3 / Mars 4 for improved resolution and stable 4K performance.
- – Choose Mars 4 Max for larger parts requiring consistent 4K output.
- – Choose Mars 4 Ultra 9K / Mars 5 Ultra for high‑resolution applications requiring fine pixel detail and predictable curing behavior.
- – Choose Mars 4 DLP for workflows benefiting from DLP projection characteristics.
Related technical resources
- – Elegoo Mars‑Series resin 3D‑printer cluster
- – Elegoo Mars resin settings database
- – Elegoo Mars exposure tuning overview
- – Elegoo Mars 2 resin settings & Elegoo Mars 2 Pro resin settings
- – Elegoo Mars 3 resin settings
- – Elegoo Mars 4 resin settings
- – Elegoo Mars 4 Ultra 9K resin settings
- – Elegoo Mars 4 DLP resin settings
- – Elegoo Mars 4 Max settings
- – Elegoo Mars 5 resin settings
- – Elegoo Mars 5 Ultra resin settings
Support and workflow optimization
For detailed exposure parameters, resin compatibility and workflow guidance, visit the resin setting database or contact engineering support for model‑specific recommendations.
Support
Do you need any help with 3D printing our SLA, DLP or LCD resins? We can help you! Just look for the question you have below. If you can’t find it, let us know by contacting us!
