L-558(R)
DualMaster
Technical Specifications
| Type: | Digital exposure meter for ambient and flash light |
|---|---|
| Light receiving method: | Incident light and reflected light |
| Incident light: | Convertible to flat diffuser (Lumisphere in down position) |
| Reflected light: | 1° spot with display in finder |
| Reflected metering distance: | ~ 3.3’ to infinity (~1m to infinity) |
| Light receptor element: | 2-Silicon photo diodes (incident and reflected) |
Metering modes
| Ambient light: | Aperture priority metering Shutter priority metering EV metering |
|---|---|
| Flash: | With synchro cord (cumulative and non-cumulative) Without synchro cord (cumulative and non-cumulative) Measurement with built-in wireless flash triggering radio triggering system (cumulative and non-cumulative) |
Radio Triggering
| Radio technology: | Complex 16/24 bit digitally coded |
|---|---|
| Range: | Up to 100 feet from transmitter to receiver or transceiver |
| Channels: | 1 to 16 channels standard, 17 to 32 "Selective Quad Triggering" |
Radio wave frequency | |
| USA & Canada (FCC & IC) | CH1-CH16 344.00MHz CH17-CH32 346.50 ~ 354.00MHz |
| Europe (EU) | CH1-CH16 433.62MHz CH17-CH32 434.22MHz |
Measuring Range (ISO 100)
| Ambient light: | Incident light: EV-2 to EV 22.9 Reflected light: EV 1 to EV 24.4 with 1° spot viewfinder | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Flash: | Incident light: f/0.5 to f/161.2 (approx. f/175) Reflected light: f/2.0 to f/161.2 (approx. f/175) with 1° spot viewfinder | |||||||||
| Repeat Accuracy: | +/- 0.1 EV or less | |||||||||
| Calibration Constant |
|
Display Range
| Film speed: | ISO 3 to 8000 (in 1/3 steps) |
|---|---|
| Shutter Speeds: | Ambient light: 30 minutes to 1/8000 seconds (in 1, 1/2 or 1/3 stop) plus 1/200, 1/400 Cine speeds: 2, 3, 4, 6, 8, 12, 16, 18, 24, 25, 30, 32, 36, 40, 48, 50, 60, 64, 72, 96, 120, 128, 150, 200, 240, 256, 300, 360 frames per second (at a 180° shutter angle) Flash: 30 minutes to 1/1000 second (in 1, 1/2 or 1/3 stop) plus 1/75, 1/80, 1/90, 1/100, 1/200, 1/400 |
| Aperture: | f/0.5 to f/161.2 (in 1, 1/2 or 1/3 stop) |
| EV: | EV -9.9 to EV 46.6 (in 1/10 stop) |
| Analog scale: | Aperture: f/1.0 to f/128 (in 1/2 stop) Shutter speed: 4 seconds to 1/4000 second (in 1/2 stop) |
| Filter compensation: | +/- 5.0 EV (in 1/10 stop) |
Other features
| All-weather feature: | JIS standard water resistance class 4, splash-proof type |
|---|---|
| Memory function: | 9 readings on analog scale (f/stop and shutter speed) with memory recall and clear feature |
| Multiple Flash function: | Unlimited flash readings (only one digit is displayed when the cumulative number is ten or more) |
| Average function: | Up to 9 readings can be averaged |
| Brightness Difference function: | +/- 9.9 EV (in 1/10 stop) |
| Flash analyzing function: | 0 to 100% in 10% increments |
| Exposure Out of Range: | U (underexposure) or O (overexposure) indication |
| Exposure compensation: | +/- 9.9 EV (in 1/10 stop) |
| Calibration compensation: | +/- 1.0 EV (in 1/10 stop) |
| Battery Power Indicator display: | With 3 level status icon |
| Auto Power Off: | 20 minutes after last use |
| Auto illumination: | EV 6 and under (custom setting function) |
| 1/4" Tripod socket: | For placing meter in subject area for cordless flash measuring |
| Second ISO film speed setting: | ISO 3 to 8000 (in 1/3 stop) |
| Diopter adjustment: | -2.5 to 1.0d |
| Battery: | One CR123A battery (3V Lithium dry cell); 60 hours |
| Operating temperature range: | 14° to 122° F (-10° to 50° C) |
| Storage temperature range: | -4° to 140° F (-20° to 60° C) |
| Dimensions: | 3.5"W x 6.7"H x 1.9"D (90mmW x 170mmH x 48mmD) |
| Weight: | 9.5oz (268gm) with battery |
Accessories
| Standard accessories supplied: | Soft Case, Strap, Lens Cap, Synchro Terminal Cap, CR123A Lithium Battery, Custom Settings Chart (sticker) |
|---|---|
| Optional accessories: | Lens Hood, Synchro Cord (3-way, 5 meter long - connect camera, light meter and flash), Folding Stand-Up Gray Card |