Sekonic L-358 Flash Master
Product Code: 1001396

Sekonic L-358 Flash Master

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The Sekonic L-358 Flash Master has the perfect blend of advanced features, user-friendly functions and affordability combined in one light meter. It is both an ambient meter and a flash meter joined together in rugged, compact, all-weather housing. It features flash and ambient analysing, so you can select the right amount of either ambient or flash exposure. It also offers a built-in, ...

The Sekonic L-358 Flash Master has the perfect blend of advanced features, user-friendly functions and affordability combined in one light meter. It is both an ambient meter and a flash meter joined together in rugged, compact, all-weather housing. It features flash and ambient analysing, so you can select the right amount of either ambient or flash exposure. It also offers a built-in, retractable, incident Lumisphere, for quick comparisons of wide to narrow angle incident measurements. The Sekonic L-358 offers simplicity in the most demanding shooting situations. It's also the world's first affordable meter with Digital Wireless Freedom: With an optional digital radio flash triggering module, you now can simultaneously trigger your remote camera and/or electronic flash units and measure the flash output wirelessly without troublesome PC-synch cords. An optional, parallax-free spot finder extends the versatility of the meter with a choice of 1°, 5° or 10° viewfinders. 5 Year Warranty.

Sekonic L-358 Flash Master

Sekonic L-358 Quick Start Guide Video Part 1

Sekonic L-358 Quick Start Guide Video Part 2 - Ambient Metering

Sekonic L-358 Quick Start Guide Video Part 3 - Metering Strobe

Sekonic L-358 Quick Start Guide Video Part 4 - Metering Tricks

The optional Sekonic RT-32 Radio Transmitter Module installs easily, enabling wireless, Selective Quad Triggering of PocketWizard-enabled electronic flash units up to 100ft away.

All Sekonic meters are now supplied with a 3 year warranty (for purchases from 01.01.11),

Incident Light Metering

Unlike in-camera metering, handheld, incident light metersdon’t require multi-patterned readings, complex exposurecontrol systems, or +/- exposure correction when they fail.They are, in fact, the simplest and most direct way to determineexposure. And because incident meters measure the light thatfalls on your subject, they provide camera settings that renderthe image exactly the way it appears. Blacks are black. Graysare gray. Whites are white. Retracting the Sekonic L-358’s Lumisphere enables you toquickly judge the brightness of multiple light sources for fast,accurate adjustment of lighting ratios.

Ambient Light Metering
Take shutter-priority or aperture-priority readings from 30 minutes up to1/8000 second and f/1 to f/90.9 with ¹/10-stop accuracy. The L-358 displaysexposure both digitally and on an analog scale for easy readout. Customfunctions enable adjusting the shutter speed and aperture readout for full,half, and third-stop increments to mirror the setting of your camera. Youcan change exposure settings after reading and the meter will automaticallycompensate to maintain the proper exposure. And the extended sensitivityrange, EV -2 to 22.9 for ISO 100, allows taking exposure measurements invirtually any kind of light.

Flash Light Metering
Shutter-priority readings of flash light can be made with a synch cordor cordlessly at shutter speeds from 30 minutes to 1/1000 second.The L-358 automatically resets after each reading in cordless mode toenable fast adjustment of flash brightness. The multi-flash function enablesaccumulating an unlimited amount of flash pops for times when a singleflash pop cannot achieve the proper exposure or the amount of depth of fieldneeded for the subject.

Optional Radio Flash Triggering
Simply plug the optional Sekonic RT-32 Transmitter Module into the battery compartment and wirelessly trigger flash units up to 100 feet away. The transmitter offers 32 digital coded channels and Quad-Triggering Zones and is compatible with PocketWizard® radio triggering systems, as well as the PocketWizard Wireless Freedom partners. Learn more about Radio Triggering.

Analyzing Function
The L-358 is especially useful for on-location shooting to lighten shadowsor reduce background detail. That’s because it measures ambient and flashsimultaneously and automatically indicates the percentage of flash in thetotal exposure. You can easily adjust the ambient flash mix by turning theJog Wheel. The digital display indicates the camera settings and an analogdisplay shows the relationship between ambient and flash and the totalexposure.

Sekonic L-358 Functions
All controls are at your finger tips. Familiar Jog Wheel operation and large LCD readout make settings fast and easy.

Contrast Function
Setting up lighting ratios or checking the evenness of a backgroundor scene is push-button simple. Take a reading of the key or referencelight and press the AVE/?EV button to create a standard. Then pressthe measuring button to display the brightness difference between the standard and new reading.

Additional Features
Reflected light metering: Included Lumigrid or optional 1, 5, and 10-degree viewfinder spot attachments
Swivel head
9-reading memory plus averaging
Illuminated Data panel
Dust-proof and splash-proof (JIS Standard Water Resistance Class 4)
Cine frame rates from from 2 to 360 fps

L-358 FlashMaster - Technical Specifications
Type: Digital exposure meter for ambient and flash light
Receptor Head: Rotating Domed Head 90° to the right, 180° to the left, Retractable for Contrast Reading
Light Receiving Method: Incident light and reflected light
Receptor Incident Light: Convertible to flat diffuser (Lumisphere in down position)
Receptor Reflected Light: Light receiving angle 54° (Lumigrid)
Light Receptor Element: 2-Silicon photo diodes (incident and reflected)

Measuring Range and Modes
Measuring Modes Ambient Light: - Aperture priority metering
- EV metering
- Shutter priority metering
Measuring Modes Flash: - Measurement using the optional wireless flash radio triggering system (cumulative and non-cumulative)
- Without synchro cord (cumulative and non-cumulative)
- With synchro cord (cumulative and non-cumulative)
Measuring Range (ISO 100) Ambient Light: - Incident light EV-2 to EV 22.9
- Reflected light EV-2 to EV 22.9 with 54° Lumigrid
Measuring Range (ISO 100) Flash: - Incident Light f/1.0 to f/90.9 (approx. f/124)
- Reflected Light f/1.0 to 90.9 (approx. f/124) with 54° Lumigrid
Repeatability Repeat Accuracy: (+/-) 0.1 EV or less
Calibration Constant Incident: Lumisphere C = 340, Flat Diffuser C = 250
Calibration Constant Reflected: K = 12.5

Display Range and Modes
Display Range Film Speed: ISO 3 to 8000 (in 1/3 steps)
Display Range Shutter Speeds Ambient: 30 min to 1/8000 sec. (in 1, 1/2, 1/3 steps) plus 1/200, 1/400
Display Range Shutter Speeds Flash: 30 min to 1/1000 sec. (in 1, 1/2, 1/3 steps) plus 1/75, 1/80, 1/90, 1/100, 1/200, 1/400
Display Range Aperture: f/1.0 to f/90.9 (in 1, 1/2, 1/3 steps)
Display Range EV: EV -10.0 to EV 40.0 (in 1/10 steps)
Display Cine Speeds fps: 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 (shutter angle: 180°)
Display Range Analog Scale Aperture: f/1 to f/90 (in 1/2 steps)
Display Range Analog Scale Shutter Speed: 2 sec. to 1/4000 sec. (in 1/2 steps)

Exposure Out Of Range: Eu (underexposure) or Eo (overexposure)
Memory Function: 9 readings
Average Function: Up to 9 readings can be averaged
Brightness Difference Function: (+/-) EV (1/10 stop)
Flash Analyzing Function: 0 to 100% in 10% increments
Multiple Flash Function: Infinite number of flash readings (Only one digit is displayed when the cumulated number is ten or more)
Calibration Compensation: (+/-) 1.0 EV (in 1/10th steps)
Exposure Compensation: (+/-) 9.9 EV in 1/10 steps)
Custom Functions: DIP Switch Mode Selection
All Weather Feature: JIS Standard Water Resistance Class 4, Splash Proof Type
Auto Power Off: Yes, 20 minutes after last use
Battery Power Indicator Display: Icon with 3 status
Second ISO Film Speed Setting: ISO 3 to 8000
Battery(Power): (1) 3V Battery, Model CR123A Lithium
Operating Temperature Range: 14° to 122° F / -10° to 50° C
Storage Temperature Range: -4° to 140° F / -20° to 60° C

Radio Triggering
Radio Triggering Radio: Complex 16/24 bit digitally coded w/ optional RT-32N Module
Radio Triggering Channels: 1 to 16 channels standard, 17 to 32 "Quad Triggering"
Radio Triggering Range: Up to 100 feet from transmitter to receiver
Radio Wave Frequency Europe: - CH1-CH16 433.62MHz
- CH17-CH32 434.22MHz
Radio Wave Frequency USA Canada: - CH1-CH16 344.00MHz
- CH17-CH32 346.50MHz

Dimension and Weight
Product Dimensions: 6.10x2.30x1.50 in./6.00x15.00x4.00 cm
Product Weight: 0.40lbs./0.20kg.

Item Includes
L-358 Case, CR123A Battery, Strap, Synchro Terminal Cap and Lumigrid

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Product Specification

Aperture range f/1.0 to f/90.9
Included Accessories Lumigrid, soft case, strap, synchro terminal cap, CR123A Lithium battery
ISO range 3 to 8000 (in 1/3 steps)
Measurement Type Incident, reflected
Metering Modes Yes
Size 60x155x37mm
Sync speed range Flash: 30 minutes to 1/1000 second
Weight (g) 153
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Product Code: 1001396-wex Manufacturers Part Number: