Sekonic Model: L-758DR-U DigitalMaster Light Meter with Case

Mint Condition

Certainly! Let's delve into the fascinating world of light meters.

Sekonic L-758DR-U DIGITALMASTER Light Meter

The Sekonic L-758DR-U DIGITALMASTER is a versatile and highly regarded light meter designed for professional photographers. Let's break down its features and capabilities:

1. Exposure Profiling and Calibration:

   • The L-758DR-U stands out because it can be calibrated to read light in a way that matches your specific camera system. Why is this important? Well, every camera system—whether it's a DSLR, mirrorless, or film camera—has unique characteristics. Optical components, mechanical elements, and imaging sensors all interact, leading to subtle differences in exposure and dynamic range.
   • By performing an easy calibration test using the L-758DR, an Exposure Profile Target (which you'd need to purchase separately), and the included Data Transfer Software (available for both Mac and Windows), you can accurately profile your camera's imaging system. This process reveals your camera's true native ISO, dynamic range, and clipping points.
   • Once you've processed the test data and determined the exposure parameters, you upload the resulting data from your computer to the meter via USB. The meter then stores this information as camera profiles. You can even store profiling data from up to three different cameras for instant recall.

2. Dynamic Range and Exposure Accuracy:

   • Knowing your camera's dynamic range is crucial for achieving optimal exposures. With the L-758DR and the Sekonic Exposure Target, you can profile various digital camera and lens combinations. The result? Total exposure accuracy.
   • The meter offers both incident light (measured with the swiveling, retractable lumisphere) and reflected light (analyzed through the 1-degree spot viewfinder) readings. The viewfinder is dioptric-adjustable, although not over a huge range¹.

3. Measuring Modes and Ranges:

   • Ambient Light Modes: The L-758DR-U provides several ambient light metering modes, including T priority, F priority, f/s priority, Lux/FC, and Cd/m²/FL.
   • Flash Light Modes: It supports cordless flash, cord-in (PC sync), and radio triggering (built-in, compatible with PocketWizard).
   • Measuring Ranges:
     • Ambient Incident Light: EV-2 to EV22.9
     • Ambient Reflected Light: EV1 to EV24.4
     • Flash Incident Light: F0.5 to F161.2 (in 1/3 step increments)
     • Flash Reflected Light: F2.0 to F161.2 (also in 1/3 step increments)
   • ISO Range: ISO 3 to ISO 8000
   • Aperture Range (Ambient and Flash): F0.5 to F161.2
   • Shutter Speeds Range (Ambient and Flash): 30 minutes to 1/8000 seconds
   • Frame Rate Range (Ambient Light): 2 frames per second to 360 frames per second¹.

4. Built-in Radio Flash Triggering:

   • The L-758DR-U comes with built-in radio flash triggering capabilities, making it convenient for off-camera flash setups.

5. All-Weather Design:

   • This meter is rugged and ready for various shooting conditions. Whether you're in the studio or out in the elements, the L-758DR-U can handle it.

In summary, the Sekonic L-758DR-U DIGITALMASTER Light Meter isn't just a run-of-the-mill exposure meter. It's a precision tool that empowers photographers to understand their camera systems better, achieve accurate exposures, and create stunning images.