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RICOH THETA Z1 51GB Black 360° camera, two 1.0-inch back-illuminated CMOS sensors, increased 51GB internal memory, 23MP images, 4K video with image stabilization, HDR, High-speed wireless transfer Camera only
4.2
Based on 187 reviewsReal-World Testing
30 days of real-world testing
Recently Updated
Updated Nov 25, 2025
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About the Author
Expert analysis by Tomás Velarde
Tomás Velarde
Expert ReviewerStaff Writer
From Lima, Tomás reviews trekking packs and travel layers for Review Atlas. He prioritizes breathable fabrics, useful pockets, and fit across body types. His field tests run from coastal humidity to high‑altitude chill.
Sports OutdoorsLuggage Travel Gear
View Full ProfileHow We Tested This Product
Our rigorous, independent testing process
Testing Period
30 days
Tested By
Tomás Velarde
Our Testing Process
- We purchase all products at full retail price to ensure unbiased testing
- Products are tested in real-world conditions matching everyday use
- Our experts conduct both objective measurements and subjective evaluations
- Reviews are regularly updated as new products enter the market
- Tested according to our Sports & Action Video Cameras testing methodology
Last updated: November 25, 2025
|Independently tested and reviewed