How to Use a Godox Lux Junior for Retro Flash
By B&C Camera | Published: 2026-10-27
Category: How-to Guides
Learn to set up and shoot with the Godox Lux Junior manual flash for vintage-style photos. Step-by-step guide with exposure tips and common pitfalls.
Quick Answer
Set your camera to manual mode, attach the Godox Lux Junior, select a guide number based on distance, and adjust aperture and ISO for proper exposure.
Why the Godox Lux Junior Works for Retro Flash Photography
The Godox Lux Junior is a compact, manual flash that mimics the look of vintage bulb flashes. Its simple controls and retro design make it ideal for adding a soft, nostalgic light to portraits or still life. Because it lacks TTL or auto-exposure, you must calculate exposure manually, which is exactly the approach that gives retro flash its characteristic look.
Step-by-Step Guide to Using the Godox Lux Junior
- Mount the Flash and Set Camera to Manual: Slide the Lux Junior into your camera's hot shoe and tighten the locking ring. Switch your camera to full manual (M) mode so you control shutter speed, aperture, and ISO independently. A common mistake is leaving the camera in auto or semi-auto mode, which can cause inconsistent exposures because the camera doesn't know the flash output.
- Choose a Guide Number and Set Aperture: The Lux Junior has a fixed output, but you can adjust its guide number (GN) by selecting one of the four power settings on the flash. Use the GN to calculate the correct aperture: aperture = GN รท distance (in feet or meters). For example, at GN 12 (meters) and a subject 3 meters away, set aperture to f/4. A common mistake is guessing the aperture without calculating, leading to over- or underexposed shots. Always check the distance to your subject and set aperture accordingly.
- Set Shutter Speed and ISO: Use your camera's flash sync speed (usually 1/200s or slower) to avoid a black band across the frame. Set ISO to 100 or 200 for clean shadows. If the flash is too weak, raise ISO rather than opening the aperture beyond the calculated value. A common mistake is using a shutter speed faster than the sync speed, which cuts off part of the flash exposure. Confirm your camera's sync speed in the manual before shooting.
- Test and Adjust: Take a test shot and review the histogram. If the subject is too dark, increase ISO or move closer. If too bright, lower ISO or use a lower power setting on the flash. The Lux Junior's lack of modeling light means you must rely on test shots. A common mistake is not adjusting for reflective or dark backgrounds, which can fool your eye. Keep a small notebook or use your phone to log settings for repeatable results.
Product Highlights
- Godox Lux Junior Retro Camera Flash (Mint Green): The Lux Junior epitomizes the sheer delight of capturing every moment, embracing simplicity and spontaneity. This means the flash is designed for photographers who want a no-fuss, creative tool, not a complex automated system.

Godox Lux Junior Retro Camera Flash (Mint Green)
