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Clear halogen tube 4.709 inches long .312 inch diameter R7s base

Light Spectrum Enterprises, Inc.

Light Spectrum Enterprises, Inc. FCL 500W 120V R7s Halogen standard bulb

SKU CH-7KTV-DRD9W

500-watt halogen studio bulb with R7s base, 3000 K colour and 8,000-hour rated life

  • 500 W output for bright studio lighting
  • 3000 K colour temperature gives warm white light
  • R7s base fits compatible fixtures directly
  • 8000 hour rated life reduces replacement frequency
  • Horizontal burn position suits studio mounting

FCL 500W halogen studio lamp

The FCL 500W halogen lamp operates at 120V with an R7s base and delivers a 3000K colour temperature. It suits photography and video professionals who need consistent tungsten output for studio lighting fixtures.

Clear T2.5 envelope and horizontal burn

The clear T2.5 quartz envelope measures 4.709 inches long and 0.312 inches in diameter. Rated life reaches 8000 hours when the lamp is operated in the specified horizontal burn position.

Direct R7s socket replacement

Installation is a direct push-fit into any R7s socket rated for 500W at 120V. The quartz envelope must not be touched with bare skin because oils create hot spots that shorten the 8000-hour rated life.

How it compares

Measured against everything we stock in General-Purpose & Specialty Bulbs, at today’s prices. Recalculated every night.

Price $6.99
Cheaper than about 87% of the 1,791 comparable items (median $17.99).

Specifications

No published specifications for this item yet.

Questions about this item

How often will the 500 watt halogen bulb need replacement at 8000 hours rated life?

The 500 watt halogen bulb has a rated average life of 8000 hours, so replacement depends on daily usage hours.

What limits continuous operation of the R7s base T2.5 bulb?

The 500 watt draw and horizontal burn position define the thermal limit for sustained use.

How much heat does the 4.709 inch clear halogen bulb produce running all day?

At 500 watts the bulb generates significant heat; ensure fixture ventilation and maintain horizontal orientation.

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