It's works better then the L-358, I love the spot metering. It's a pity the operating manual is falling apart within one month.
It's works better then the L-358, I love the spot metering. It's a pity the operating manual is falling apart within one month. Close
Sekonic Web Team
Thanks for your review of the

We're sorry you are having trouble with your operating manual. If you want to obtain a digital copy, you can get a PDF of the manual here:

Great meter. Question. How do I custom set ISO 2 button to automatically make the 2.5 stop increment value reading?
Great meter. Question. How do I custom set ISO 2 button to automatically make the 2.5 stop increment value reading? Close
M. Gertz
Joe talks about this a bit in this webinar: http://www.sekonic.com/classroom/webinars/live-control-light-part-4-creating-great-landscape-photographs.aspx Here's how to do it: To set ISO 2: Turn OFF meter. Press MODE and hold in and turn ON meter. You will see the Custom function screen. Turn the Jog wheel to see “02”. You should see “0” to the right of it. If you see “1”, press MODE once to see “0”. Turn OFF meter. Turn ON meter, Press ISO 2 to see ISO change to 0.0. Turn the Jog wheel to change the value.
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Comparison Chart:
Exposure Meters

International Catalog Number
JH11 (CE - European Manual)
JH12 (FCC & IC - English Manual)
JH1G (Chinese - Chinese Manual)
US Catalog Number
401-758 (FCC & IC - English Manual)

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L-758DR DigitalMaster - 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 Reflected Light: 1° spot with display in finder
Light Receptor Element: 2-Silicon photo diodes (incident and reflected)
Reflected Metering Distance: 3.3' to infinity/1.0m to infinity
Measuring Range and Modes
Measuring Modes Ambient Light:

- Aperture priority metering
- EV metering
- Shutter priority metering

Measuring Modes Flash: - Measurement using the included 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 1 to EV 24.4
Measuring Range (ISO 100) Flash: - Incident Light f/0.5 to f/161.2
- Reflected Light f/2.0 to f/161.2
Repeatability Repeat Accuracy: (+/-) 0.1 EV or less
Calibration Constant Incident: Lumisphere C = 340, Lumidisc 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/0.5 to f/161.2 (in 1, 1/2, 1/3 steps)
Display Range EV: EV -9.9 to EV 46.6 (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/0.7 to f/90 (in 1, 1/3 steps)
Display Range Analog Scale EV: EV -7 to EV 7 (in 1/3 steps)
Exposure Out Of Range: Eu (underexposure) or Eo (overexposure)
Memory Function: 9 readings
Average Function: Up to 9 readings can be averaged
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: 14
All Weather Feature: JIS Standard Water Resistance Class 4, Splash Proof Type
Auto Power Off: Yes, Selectable in Custom Functions
Battery Power Indicator Display: Icon with 3 status
Second ISO Film Speed Setting: ISO 3 to 8000 (in 1/3 steps)
Tripod Socket/Shoe Mount: 1/4" - 20 thread mount
Battery(Power): (1) 3V Battery, Model CR123A Lithium
Diopter Adjustment: -2.5 to 1.0D
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 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 346.50 - 354.00MHz
Dimension and Weight
Product Dimensions: 6.70x3.80x1.90 in./17.00x9.70x4.80 cm
Product Weight: 0.60lbs./0.30kg.
Item Includes
L-758 Case, CR123A Lithium Battery, Strap, Lens cap, USB cable, Syncro terminal cap, Sticker for multi-key and CS Operations, Software in CD-ROM, Quick Guide and Operating Manual

L-758DR Quick Start Guide: Part 1

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L-758DR Quick Start Guide: Part 1
Profiling the Sekonic L-758DR with the Exposure Profile Target II and DTS
Sekonic DTS Software: Profile Your Digital Camera (DSLR) or Film Camera. Why is dynamic range so important?
L-758DR Quick Start Guide: Part 2
L-758DR Quick Start Guide: Part 3
L-758DR Quick Start Guide: Part 4
Sekonic L-758DR Light Meter: Calibrate/Profile Your Camera
Sekonic ProSpeak: Allison Earnest
Bobbi Lane: Sunset Rooftop Photo Shoot

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