Powerextra DF-400
Score: 54/100
Altura Photo Flash
Score: 67/100Rankings
The Altura Photo AP-UNV2 is a budget manual flash with a versatile head, LCD interface and optical slave, suited for learning and controlled studio work. Its lack of TTL, HSS and reliance on AA batteries limit fast-action and outdoor use.
The Powerextra DF-400 is a budget-friendly manual flash offering basic power control, optical slave modes, and a rotating head, suitable for beginners and hobbyists. It lacks TTL, HSS, and a robust build, making it less ideal for demanding professional work.
| Attribute | | |
|---|---|---|
33 m | 38 mbest | |
| ↓ lower better | 3 s | 2.9 sbest |
| ↓ lower better | 315 gbest | 440 g |
8 levelsbest | 8 levelsbest | |
5,800 Kbest | 5,600 K |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Features(1) | ||
Flash Modes | Manual, S1, S2 | Manual, Stroboscopic, S1, S2 |
Compatibility(1) | ||
Compatible Brands | Canon,Nikon,Pentax,Olympus,Panasonic,Fujifilm,Sigma,Minolta,Leica,Ricoh,Sony | Canon, Nikon, Sony, Panasonic, etc. |
Build & Design(1) | ||
Weight (g) | 315 g | 440 g |
Performance(3) | ||
Guide Number (m) | 33 m | 38 m |
Recycle Time (s) | 3.0 s | 2.9 s |
Color Temperature (K) | 5800 K | 5600 K |
Accessories(1) | ||
Included Accessories | Powerextra DF-400 speedlite, protective bag, mini stand, instruction manual | Wide-angle diffuser, bounce card, protective pouch |
Products in the top-left offer the best value (high score, low price).
Professional editors note that the DF-400 delivers essential manual flash capability at an exceptionally low price, making it a solid starter flash for beginners.
Everyday users generally praise the DF-400 for its affordability, basic functionality, and the rotating head that enables bounce lighting.
Professional reviewers see it as a solid, value-driven entry-level flash with good build and features, but note missing TTL and HSS as major drawbacks for serious shooters.
Everyday users appreciate its affordability and flexibility, while complaining about the lack of TTL, slower recycle and battery compartment durability.
“High manual power control with 1/128 granularity.”
“Optical slave works well for studio setups.”
“Battery compartment feels cheap and needs frequent AA changes.”
