The Ushio HPL-550/77X+ Compact Halogen Lamp 550W 77Vfrom Ushio HPL-550/77X+ Compact Halogen Lamp 550W 77Vhas been redesigned for a more efficient light collection. It's ultra-compact filament geometry now improves the optical efficiency of the ETC Source Four fixtures to produce up to 20% more fixture lumens. That's up to 20% more light from the same fixture as compared to the old lamp design.

Ceramic Heat Sink Base    Unique Compact Filament Design    Tapered Pins Ensure Easy Fit

Related Questions and Answers

Q: 1. Do you have Sylvania bulb 300w 24v?

A: For that wattage and voltage, we have the Eiko JC Lamp (300W/24V) B&H # EIJC24V300W.

Q: 2. Is this compatible with Westcott Photoflood 500W bulb?

A: yes, yes it does indeed work with it. Thats what i use for my westcott light and it works perfectly

Q: 3. What would be the consequences of using this bulb on the Arrilite 750 Plus plugged into a 220VAC, 50Hz socket?

A: A 230V lamp can be used on a 220V 50 Hz socket, however the voltage may drop slightly.

Q: 4. Lumen output?

A: It is approximately 4,000 Lumens for a 250 Watt Halogen light.

Q: 5. is this compatible with profoto D1 1000?. Thanks

A: Yes, the Sylvania / Osram 64514 Bulb (300W/120V) (B&H# SY300W120V) will work well in the Profoto D1 and D1 Air.

Q: 6. What are the bulbs dimenions?

A: The Ushio ECT Photoflood (500W/120V) is; Maximum Overall Length (MOL) 5.98" / 152 mm Maximum Overall Diameter (MOD) 3.12" / 79.38 mm

Q: 7. This can be use for ETC Source Four 750w?

A: Yes, sure can!

Q: 8. Is this the correct replacement bulb for Smith Victor? It came with Sylvania (2) 500 Watt bulbs and a 250 Watt bulb.

A: Yes.I use them in my Smith Victors

Q: 9. How many total pins are on the base?

A: 2

Q: 10. The Fujimoto G70 Enlarger manual states that it uses a "(JCR) l2V/lOOW Halogen lamp". Is this the correct bulb?

A: There is a good chance if the enarger uses the lamp name JCR the Ushio JCR12V-100W/H10 Halogen Reflector for Scientific Medical (100W/12V/3100K) is correct. That is a very old enlarger and very little information seems to be out on it.