1. Gear:
* Speedlight (External Flash): This is the best option. It's more powerful, versatile, and often offers more control than a built-in flash. Look for one with adjustable power settings, swivel head, and tilt head. Popular brands include Godox, Canon, Nikon, and Sony.
* Built-in Flash (Camera Flash): While not ideal, it's better than nothing. Understand its limitations (usually less powerful and less adjustable).
* Light Modifiers (Crucial): These diffuse and soften the flash, making the light more flattering:
* Diffusers: Softboxes, umbrellas, bounce cards (even a white piece of paper can work in a pinch).
* Gels: Colored gels to correct white balance or add creative effects (e.g., CTO gel to warm up the flash).
* Flash Trigger (Off-Camera Flash): Allows you to use your speedlight away from the camera for more dramatic and controlled lighting.
* Light Stand (Off-Camera Flash): To hold your speedlight with the light modifier.
2. Understanding Key Concepts:
* Flash Power: The amount of light the flash emits. Measured in fractions (1/1, 1/2, 1/4, 1/8, 1/16, etc.). Lower fractions mean less power.
* Flash Compensation (FEC): A setting on your camera that allows you to adjust the flash output, making the flash brighter (+) or darker (-).
* White Balance: The color temperature of your light source. Crucial for accurate color rendering.
* High-Speed Sync (HSS): A flash mode that allows you to use faster shutter speeds than your camera's sync speed (typically 1/200 or 1/250). Useful for freezing motion or blurring backgrounds in bright conditions *with* flash. Less important for pure night portraits, but nice to have.
* TTL (Through-The-Lens) Metering: The flash fires a pre-flash to measure the scene's light and adjust the flash power automatically. Generally good as a starting point, but you'll often need to fine-tune with FEC.
* Manual Mode (Flash): You set the flash power yourself. More precise but requires experience and practice.
* Ambient Light vs. Flash Light: Striking a balance between the existing light (ambient light) and the light from your flash is key to natural-looking portraits.
3. Camera Settings (Start Here):
* Shooting Mode: Manual (M) - Gives you full control over aperture, shutter speed, and ISO.
* Aperture: Choose an aperture based on the depth of field you want.
* Wider aperture (e.g., f/2.8, f/4): Shallower depth of field, blurs the background, isolates the subject.
* Smaller aperture (e.g., f/8, f/11): Deeper depth of field, more of the scene in focus.
* Shutter Speed: Controls the amount of ambient light that enters the camera. Start around 1/60th to 1/200th of a second. Experiment!
* ISO: Keep it as low as possible (ISO 100, 200, or 400) to minimize noise. Increase ISO *only* if you need more ambient light or if you're underexposing.
* White Balance: Set it to "Flash" or "Auto" if you're using flash primarily. If you're using a CTO gel, set it to "Tungsten" or "Incandescent" to correct the color.
4. Flash Techniques:
* Direct Flash (On-Camera Flash): Least flattering, creates harsh shadows. Minimize this. If you have to use it, diffuse it as much as possible (e.g., with a diffuser cap).
* Bouncing Flash: Aim the flash at a ceiling or wall to soften the light. White or neutral-colored surfaces are best. Don't bounce off colored surfaces (it will tint the light).
* Off-Camera Flash: The most versatile option. Position the flash to the side of your subject (45-degree angle is a good starting point). Use a light modifier to diffuse the light. Here are some off camera methods:
* Softbox: Creates soft, diffused light. Great for portraits.
* Umbrella: Similar to a softbox, but often more portable and affordable.
* Bare Bulb: A harsh light that is good for creating dramatic shadows.
* Reflector: Used to bounce the light back towards the subject.
* Fill Flash: Using a low-powered flash to fill in shadows and even out the lighting.
5. Putting it All Together (Step-by-Step Guide):
1. Set Up Your Scene: Find a location with interesting background elements or flattering ambient light.
2. Set Your Camera Settings: Start with the settings mentioned above (Manual mode, aperture, shutter speed, ISO, white balance). Adjust as needed.
3. Position Your Subject: Consider the direction of the ambient light.
4. Position Your Flash:
* On-Camera (if unavoidable): Attach a diffuser. Set flash power to low (e.g., 1/16 or 1/32).
* Bouncing: Aim the flash at a white or neutral ceiling/wall. Adjust flash power as needed.
* Off-Camera: Place the flash to the side of your subject at a 45-degree angle. Use a light modifier.
5. Take a Test Shot: Evaluate the exposure and lighting.
6. Adjust Flash Power:
* If the subject is overexposed (too bright): Reduce flash power (lower fraction or use negative FEC).
* If the subject is underexposed (too dark): Increase flash power (higher fraction or use positive FEC).
7. Adjust Camera Settings (If Necessary):
* More Ambient Light: Lower shutter speed, increase ISO, or widen the aperture. Be mindful of motion blur if lowering the shutter speed too much.
* Less Ambient Light: Raise shutter speed, lower ISO, or stop down the aperture.
8. Fine-Tune and Repeat: Continue taking test shots and adjusting settings until you achieve the desired look. Pay attention to:
* Shadows: Are they too harsh? Adjust the angle of the flash or use a larger/closer light modifier.
* Highlights: Are they blown out? Reduce flash power.
* Color Balance: Does the skin tone look natural? Adjust the white balance or use gels.
* Background Exposure: Is the background too dark or too bright? Adjust the shutter speed or ambient light.
Tips and Tricks:
* Practice! Experiment with different settings and techniques to find what works best for you.
* Don't Be Afraid to Overpower the Ambient Light: Sometimes completely overpowering the ambient light with flash can create a dramatic, stylized look.
* Use Gels Creatively: Add color to your portraits or use a CTO gel to warm up the flash and match the ambient light.
* Pay Attention to Catchlights: The reflection of the light source in the subject's eyes. Catchlights add life and sparkle to portraits. Position your light to create pleasing catchlights.
* Shoot in RAW: This gives you more flexibility to adjust the exposure and color balance in post-processing.
* Post-Processing: Use software like Adobe Lightroom or Photoshop to fine-tune your images. Adjust exposure, contrast, white balance, and remove any blemishes.
Example Scenarios:
* City Street Portrait: Use off-camera flash with a softbox to create a flattering light on your subject while still capturing the city lights in the background.
* Bar/Restaurant Portrait: Bounce the flash off the ceiling to create a soft, even light. Adjust the white balance to match the ambient light.
* Portrait Against a Dark Sky: Use flash to illuminate your subject, and use a long exposure to capture the stars in the background.
By understanding the principles of flash photography and practicing different techniques, you can create stunning and professional-looking night portraits. Good luck and have fun!