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About the scoresThe scores are calculated mechanically by applying the criteria table at the end of the page to figures published on the manufacturers' official pages and manuals (and on retail or comparison pages where an official figure was not available). We call it the "Spec Score".
Spec Score #2Clamp-mounted
Best for work where how colors look matters
3.15★★★☆☆Spec Score (out of 5)
See on Amazon¥13,980See on Rakuten¥14,524Price as of 2026-09-02 · affiliate link · Opens the shop's site
Score Breakdown
Specs
| Mounting | Clamp (top-tightening clamp) |
|---|---|
| Light source / power | LED, 11.9 W |
| Luminous flux | 1055 lm (over 2000 lx directly below) |
| Color temperature / rendering | 5000K, Ra94 |
| Brightness control | Continuous (stepless) dimming |
| Extra features | Last-setting memory, soft start, double-click to return to 100% |
| Clamp thickness | Up to 45 mm |
| Power | Dedicated AC adapter included (PSE certified) |
| Cord length | 1.5 m |
| Weight | 1.4 kg |
🙂 Good points
- Bright: 1055 lm and over 2000 lx directly below
- Color rendering of Ra94 (as listed by the maker)
- Continuous dimming, and it remembers the last brightness
🙁 Things to note
- Color temperature is a single 5000K and cannot be changed
- At 11.9 W it draws the most of the four products
Sources
Yamada Lighting official product page (Z-10R)
Scores are calculated only from specs published on official and retail pages.