Canon EOS R100 Mirrorless Camera w/RF-S 18-45mm f/4.5-6.3 STM Lens + Wide Angle & Telephoto Lenses + 64GB Memory + 3pc Filter Kit + Case + Flash + Tripod vs Canon EOS R6 Mark III Body

Price and Value Comparison

The Canon EOS R100 is about 78% cheaper than the EOS R6 Mark III, priced at $599.00 versus $2,799.00. This massive price difference reflects a fundamental divergence in target markets: the R100 is designed as an entry-level bundle with accessories, while the R6 Mark III is a high-end professional body. The R100’s value proposition lies in its all-in-one package—lens, memory card, filters, tripod, flash, and case—making it ideal for beginners seeking immediate usability. In contrast, the R6 Mark III’s higher cost is justified by its advanced sensor and processing capabilities, but buyers must source additional accessories separately. Despite the R100’s lower bestseller rank (1,360) compared to the R6 Mark III (10,303), this may reflect broader market reach rather than performance or demand.

Sensor and Image Quality

The Canon EOS R6 Mark III features a 32.5MP full-frame CMOS sensor, significantly larger than the R100’s 24.2MP APS-C CMOS sensor. This full-frame advantage translates to superior dynamic range, low-light performance, and shallower depth of field. The R6 Mark III also uses the DIGIC X image processor, which supports higher-resolution output and faster data handling compared to the R100’s DIGIC 8 processor. While both cameras offer high-quality stills, the R6 Mark III’s sensor size and processing power make it better suited for professional photography requiring detailed, high-resolution images with rich tonal gradations.

Video Capabilities

The Canon EOS R6 Mark III offers far more advanced video features than the R100. It supports 4K 120p slow-motion recording, 7K RAW at 60p, and 7K30p Open Gate recording—options absent in the R100’s specs. The R100 only records 4K 24p with crop and Full HD 60p, limiting its flexibility for cinematic work. Additionally, the R6 Mark III includes Canon Log 2 color grading support, essential for post-production control. These capabilities position the R6 Mark III as a hybrid camera built for filmmakers and content creators needing maximum creative freedom. The R100 lacks these professional-grade video tools, making it less suitable for serious video production.

Autofocus and Performance

The Canon EOS R6 Mark III boasts Dual Pixel CMOS AF II with advanced subject detection for people, animals, and vehicles, along with Register People Priority. This system enables precise tracking in fast-paced environments. The R100 uses Dual Pixel CMOS AF with 143 AF zones, which is capable but less sophisticated. More notably, the R6 Mark III can shoot up to 40 fps with 20 frames of pre-continuous shooting, a feature not mentioned in the R100’s specifications. This burst capability allows photographers to capture fleeting moments with greater confidence. The R100’s 6.5 fps electronic shutter is adequate for casual use but falls short in action photography.

Image Stabilization

The Canon EOS R6 Mark III includes in-body image stabilization (IBIS) that provides up to 8.5 stops of shake correction at the center and 7.5 stops at the periphery through Coordinated Control IS. This level of stabilization enhances handheld shooting in low light and during video capture. The R100 does not mention IBIS in its features, relying instead on lens-based stabilization via the RF-S 18-45mm f/4.5-6.3 STM lens. Without in-body stabilization, the R100 may struggle with motion blur in challenging lighting conditions, especially when using longer focal lengths or slower shutter speeds.

Build and Accessories

The Canon EOS R100 comes bundled with a comprehensive set of accessories: a 64GB SD card, three filters (UV, CPL, FLD), a tripod, flash, lens attachments, and a gadget bag. This makes it a ready-to-use kit for beginners. The R6 Mark III is sold as a body only, meaning users must purchase lenses, memory cards, batteries, and other gear separately. While this increases upfront cost, it also allows professionals to customize their setup precisely. The R100’s inclusion of a full-size tripod and flash adds significant value, whereas the R6 Mark III’s lack of included accessories underscores its role as a modular platform for experienced users.

Which should you buy?

Choose the Canon EOS R100 if you're a beginner or enthusiast seeking a complete, affordable starter kit with immediate usability. At $599.00, it’s about 78% cheaper than the R6 Mark III and includes everything needed to start shooting photos and videos right away. Its APS-C sensor and 24.2MP resolution are sufficient for most everyday use. Opt for the Canon EOS R6 Mark III if you need professional-grade image quality, advanced video features like 4K 120p and 7K RAW, and high-speed continuous shooting up to 40 fps. Despite costing $2,799.00—over four times more—the R6 Mark III delivers a full-frame sensor, in-body stabilization, and robust autofocus tailored for demanding photography and filmmaking.