Sekonic Lumidisc - L-308/308B/308BII/308S

Name: Sekonic Lumidisc - L-308/308B/308BII/308S
Brand: Sekonic
SKU: pjro7663bd
Price: 16.00 GBP
Availability: InStock

The Sekonic Lumidisc is a spare or replacement accessory designed for use with the Sekonic L-308, ...

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Product Information

Full details

The Sekonic Lumidisc is a dedicated flat-incident light attachment designed for photographers and videographers who utilize the L-308 series of light meters. It is the ideal tool for professionals needing to measure precise illumination contrast and intensity for portrait, macro, or cinematic setups. While highly effective for flat-surface readings, users should note it is designed for specific light meter models and lacks the spherical diffusion capabilities of the standard Lumisphere, meaning it is not a direct replacement for dome-style ambient readings.

All features

Brand	Sekonic

Extended Product Information

FAQs

Can I use the Lumidisc on an L-478 light meter?

No, the Lumidisc is specifically designed for the L-308 series and is not compatible with the L-478 series.

Is this a replacement for the Lumisphere?

It is an accessory that replaces the Lumisphere's position, but it serves a different function. It should not be used as a permanent replacement for general ambient metering.

Do I need to calibrate my meter when using the Lumidisc?

No, the L-308 is calibrated for the Lumidisc automatically when attached, provided you are using the correct exposure mode.

Can the Lumidisc be used for spot metering?

No, the Lumidisc is for incident light metering only.

What is the best way to clean the disc?

Use a clean, dry microfiber cloth. Avoid any liquids or cleaners that might leave a residue.

Troubleshooting

The Lumidisc feels loose on the meter head

Ensure the meter head is free of debris or dust and that you are pushing the disc on until it is fully seated.

Exposure readings seem inconsistent compared to the dome

This is normal, as the Lumidisc measures incident light on a flat plane whereas the dome measures omnidirectional light; ensure you are holding the flat surface parallel to the light source.

Pros and Cons

Pros

Essential for precise lighting ratio calculations
Perfect fit for L-308 series light meters
Lightweight and portable construction
Durable build quality for long-term field use

Cons

Not suitable for standard spherical ambient light readings
Limited compatibility only with L-308 series models
Requires manual swapping with original Lumisphere

Setup, Compatibility & Care

To install the Lumidisc, gently remove your existing Lumisphere by pulling it away from the meter head. Align the Lumidisc with the sensor opening and press firmly until it clicks or slides securely into the mount. This accessory is compatible exclusively with the Sekonic L-308, L-308B, L-308BII, and L-308S models. To maintain accuracy, keep the white surface clean by wiping it gently with a dry, microfiber cloth. Avoid using harsh chemicals or abrasive cleaners, as they can scratch the disc surface and alter the light transmission properties, leading to incorrect exposure readings.