Sekonic L-558 DualMaster Digital Ambient & Flash Meter

The Sekonic L-558 Dual Master description:

The Sekonic L-558 DualMaster Light meter is the first multi-function light meter to offer a 1° spot meter that measures reflected flash output down to an amazing f/2.0 (ISO100). Sekonic L-558 DualMaster Flash Meter parallax-free lens eliminates erroneous close-up photography light readings. A digital readout through the spot viewfinder displays all-important exposure information.Sekonic L-558 DualMaster Flash Meter has An internal EL (Electro-Luminescent) digital panel displays data in all lightingconditions. As you would expect, the Sekonic L-558 DualMaster Light meter also includes a built-in retractable Lumisphere (incident dome) for full or narrow angle measurements.

The Sekonic L-558 DualMaster Flash Meter DualMasters flexible design accommodates changing shooting situations. That's because Sekonic L-558 DualMaster Light metera multi-function meter. With aturn of a knob the Sekonic L-558 DualMaster Flash Meter changes from an incident meter to a reflective spot meter for both ambient and flash measurements, all in one rugged, compact, all-weather housing. Selecting aperture or shutter priority modes or EV is as easy as turning the Jog wheel. Simultaneous evaluation of ambient and flash is displayed in three convenient ways. L-558 DualMaster Light meter has An easy-to-read illuminated LCD panel, directly displays in full, 1/2 or 1/3-stop increments to match film or digital cameras. Sekonic L-558 DualMaster Flash Meter features such as meter calibration, exposure compensation and CINE settings offer the flexibility that today's photographer's require.

PLUS - The L-558 DualMaster Light meter incorporates the worlds first optional internal Digital Radio Transmitter Module. Compatible with allPocketWizard Digital Radios, it provides wireless triggering and measuring of flash units and can even trigger cameras wirelessly. New, easy-to-use Selective Quad-Triggering control offers quick selection of which flash unit to trigger and measures each independently with a touch of a key.Spot with Digital Display The Sekonic L-558 DualMaster Flash Meter features a rectangular 1° parallax-free spot viewfinder. In dim or bright light situations, the Sekonic L-558 DualMaster Light meter spot viewfinder displays f-stops, shutter speeds and more. The built-in spot meter measures both reflected ambient, flash or combined lighting. The optical finder in Sekonic L-558 DualMaster Flash Meter also features an eyepiece with an adjustable diopter.

Optional Plug-in Radio Transmitter Module Electronic flash units and/or cameras can be triggered wirelessly with the optional plug-in digital radio Transmitter module (compatible with all PocketWizard Digital Radios).Simultaneous triggering and measuring of flash units up to 100 feet away is possible. With its new easy-to-use Selective Quad-Triggering control (4 zone lighting control), the Sekonic L-558 DualMaster Light meter offers quick selection of which flash unit to trigger and measure independently with a touch of a key. Now you can individually measure several flash units wirelessly by the touch of the Sekonic L-558 DualMaster Flash Meter measuring button, without walking over to each light and and turning it on or off.

To find more about Sekonic L-558 Dual Master visit Sekonic website.

Sekonic L-558 Dual Master specifications:

Reception Methods used in Sekonic L-558 Meter are Incident and reflected light	Yes
Incident Convertible to flat diffuser (lumisphere in down position)	Yes
Reflected 1° Spot lens, metering distance 3.3ft (1m )	Yes
Receptor Element	2 Silicon photo diodes (incident and reflected)
Measuring Modes	Ambient light, Aperture priority metering, Shutter speed priority metering
EV metering value	Yes
With synch cord (cumulative, non-cumulative)	Yes
Without synch cord (cumulative, non-cumulative)	Yes
With optional radio triggering (cumulative, non-cumulative)	yes
Incident light	EV(-) 2 to EV22.9
Reflected light	EV1 to EV24.4
Incident light	f/0.5 to 161.2
Reflected light	f/2.0 to 161.2 (approx. f/175 - with 1° spot viewfinder)
Repeatability	±0.1EV or less
Display Readout	Digital LCD plus LCD analog
ISO Range	ISO 3 to ISO 8000 (1/3 steps)
F-Stop Display Range	f/0.5 to 161.2 (full, 1/2 or 1/3 steps)
Analog display F-Scale	f/1.0 to f/128 (in 1/2 steps)
Exposure value (EV) Range	EV(-) 9.9 to EV46.6 (in 1/10 steps)
Shutter Speed	Ambient 30 minutes to 1/8000 second (full, 1/2 or 1/3 steps)
Plus	1/200, 1/400
Shutter Speed Flash	30 minutes to 1/1000 second (full, 1/2 or 1/3 steps)
Plus	1/75, 1/80, 1/90 1/100, 1/200, and 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 (fps at a 180°shutter angle)
Memory Function	9 readings on analog scale (f/stop and shutter speed) with memory recall and clear feature
Flash analyzing function	Percentage of  flash in total exposure from 0 to 100% in 10% increments
Brightness Difference Function	+/-9.9EV (in 1/10 steps) Flash or ambient light evaluation (standard value vs. new measurement)
Multiple Flash Unlimited flash readings	(Only last digit is displayed when more than ten flash exposures are measured.)
Power	3.0Vx1 (CR123A lithium battery)
Dimensions	3.5W x 6.7H x 1.9D" (90W x 170H x 48D mm)
Weight without packages	9.5 oz. (268g)

Sekonic L-558 Dual Master features:

Memory Mode of Sekonic L-558 DualMaster Light meter is Up to nine readings can be memorized in incident or spot metering modes independently in both Aperture and Shutter Priority Modes. The memory function of the Sekonic L-558 DualMaster Flash Meter provides the photographer with an effective way of retaining and analyzing shadow, midtone and highlight exposure readings.

The L-558 DualMaster Flash Meter has Full, 1/2 or 1/3-step Selectable Readings Both shutter speeds and apertures can be displayed in either full, 1/2 or 1/3-step increments to match your film or digital camera; selecting these increments is quick and easy with custom software menu settings.

The L-558 DualMaster Light meter has Exposure, Calibration and Filter Compensation Independent incident & reflected exposure compensation of up to +/-9.9 EV can be easily set for custom film exposure corrections or for bellows extension factors. With the calibration compensation setting of +/-1.0 EV. There is even a filter compensation setting of +/-5.0 EV
Dual ISO Settings

The L-558 Flash Meter offers the flexibility of taking a single measurement and displaying the f-stop and shutter speed for two different ISO film speeds, such as negativefilm and Polaroid proofing film.
Full-Featured Flash Measurements
1. Cord Flash Mode
2. Cordless Flash Mode
3. Unlimited Multiple Flash Mode
4. Radio Triggering Mode

Sekonic L-558 meter is an All Weather Design All buttons, switches and compartments are sealed and the meter housing has beenconstructed with durable, rugged conditions in mind.

Sekonic L-558 Dual Master box contents:

Sekonic L-558 DualMaster Light meter Denier shock-resistant padded case,
Sekonic L-558 strap,
Sekonic terminal cap,
Sekonic lens cap,
Sekonic custom settings reference chart (sticker) and lithium battery

Rating:  on 24/08/2007

By A D Jakko

: The L-558 is an all purpose meter that contains both incident and spot metering capabilities and also flash meter. You should buy this Sekonic meter if you are serious about correctly determining exposure for critical shots in difficult light conditions, which in nature happens often. for me as a photographer, a handheld meter like Sekonic L-558 is important to have. I most often use the meter to determine the subject brightness ratio of a scene I am considering to shoot. What the meter does for me here is allows me to measure the relative brightnesses by calculating the difference in the EV value between the highlights and shadows. Basically, I measure the important highlight and then hit the brightness difference button to show me the correct scene. Then I measure the scene into the shadow areas, holding down the measure button. the L-558 light meter gives me the number of stops between my highlight and any other area. I bought the Sekonic light meter along with my Nikon D200, the metering system in D200 is not as useful as L-558 meter, if you are considering buying meter you should pick up one of the Sekonic light meter.

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