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OPTIC 8+ Dimmable COB LED Grow Light 500W (UV/IR) 3500k COBs - 120 Degree Lenses (5x5)

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Original price $1,599.00
Current price $999.00


Click here to see the new 550 watt Optic 8+ NextGen



USA Orders: Ships in 1 business day

To buy the new Optic 8+ which is in stock click here

Outside USA Orders: Ships within 1-2 business days



         Patented Optic 8+ 500 watt dimmable COB LED Grow Light has risen to the TOP of the LED Grow Light Industry purely by proving itself as 1 of the highest Yielding Grow Lights on the market. Optic LED has now seamlessly integrated eight of CREE's highest yielding COB's (XLAMP CXB3590) with industry-leading glass projection lenses to give you unprecedented light spread and canopy penetration. The combination of CREE COB's outfitted with ultra-high-quality glass lens and the Osram Far Red Bloom enhancer array will deliver mind-blowing results. Upgrading to Optic 8+ you can expect significant increases in Canopy Depth, flowering sites, bud density, coloring of your flowers, resin production and terpene profiles for that amazing quality you're looking for. Proven yields up to 2.67 pounds per harvest which is an incredible 2.4 grams per watt under a beautiful white light that you and your plants can both enjoy. 




Free Over the phone Grow Consultation or Consultation via email

253-881-1355 or inquire at


       *Optic 8+ has undergone a series of testing in our R&D Labs so we can provide you with the most detailed information to utilize as tools to get the best results out of your light. 


Max Power: 500 watts

HID equivalent: 1000 watt DE HPS

LEDs: USA MADE CREE COBs & OSRAM SMD Bloom Enhancer Array

  • 8 x CREE CXB3590 COB LEDs
  • 6 x 3500k Daylight White CXB3590 COBs
  • 2 x 5000k Cool White CXB3590 COBs 
  • Each COB is 137w max & under driven @50w continuous
  • 32 x 3-watt OSRAM ultra-efficient LEDs 


Optics: COBS & 3W LEDs have a 90-degree lens standard with the option to choose a 120-degree lens for a 5'x5' coverage area. Glass Projection Lens Directs light downwards, magnifies par and increases canopy penetration by up to 200%. 

Drivers:  3 Commercial Grade Meanwell Drivers (Industry Best)


    Spectrum: Full Spectrum + UV & IR

    Dimmable Optic 8+ gives you the best possible Spectrum at Every Phase of Growing from VEG through late flower with more Red Spectrum being added the later you get into flower. Our owner's manual will give you recommended baseline Dimmer settings for each week of your grow to make getting amazing results with your Optic 8+ easy.

    Spectrum for VEG - VEG Dimmer @100% & Bloom Dimmer @10% - only the COBS on. VEG Dimmer Controls the two 5000k COBs which gives you more blue light and two 3500k COBs. 

    Spectrum of COBS only @ Full Power - Veg Dimmer@100%, Bloom Dimmer@100% & Bloom Enhancers Off. (Used in VEG & Flower)

    Spectrum of Far Red Bloom Enhancers that include Ultra Violet & Infrared


    Spectrum on OPTIC 8+ @Full Power - All 3 Dimmers @100%




    PAR Efficacy: 

    4' x 4' Area: 1.2m x 1.2m = 1.44 Square Meters

    833.70 ppfd x 1.44 Square meters (4x4 area)= 1,200.52

    1,200.52 divided by 500 watts = 2.40 PAR Efficacy / (ppf/w)


    PPFD for 4x4 area @ 18" (120 degree Lens): 833.70 

    (Apogee MQ-500 Used for PAR Meter Testing in 4x4 Grow Tent May-2019)


    PAR Output: 1285 u/mols at center of footprint 

    PPFD for 4x4 area @24" (90 degree Lens) : 678.46

    (Apogee MQ-500 Used for PAR Meter Testing in 4x4 Grow Tent - May 2019)

    PAR Output: 1973 u/mols at center of footprint (120 degree Lens)

    Recommended Coverage area & hanging height :

    • Veg: 6' x 6' @30" 
    • Flower: 4' x 4' @18"- 24" (1.2m x 1.2m)
    • or 5' x 5' (120 degree Lens) (1.5m x 1.5m)

    Recommended hanging height:

    90 degree LENS

    • Veg: 24"-36"          (.6m - .9m)
    • Flower: 18"-24"     (.5m - .6m)

    120 degree LENS for 4x4

    • Veg: 24"-30"          (.6m - .75m)
    • Flower: 16"-20"     (.4m - .5m)

    120 degree LENS for 5x5

    • Veg: 24"-30"          (.6m - .75m)
    • Flower: 18"-24"     (.4m - .5m)

    Light Controls:

    Dimmability: 3 Way Dimmability

    VEG Dimmer: Controls 4 COBs: Two of the 5000k cool white COBs & Two 3500k daylight white COBs.

    BLOOM Dimmer: 4 COBs: Controls four daylight white 3500k COBs.

    BLOOM ENHANCER Dimmer: 32 pcs 3w diodes, Controls UV & Osram secondary led array.



    Switch#1: COBs ON/OFF (Turns all 8 COBs on)

    Switch#2: Bloom Enhancer ON/OFF

    Switch #1 & Switch#2: ON (Full Power)


    Optic 8+ Specifications:

    Proven Yield: Up to 2.67lbs / 42.72 ounces / 1,196 grams

    Grams Per watt: Up to 2.4

    Canopy Size for Maximum Yield: 5' x 5' x 18" Deep (1.5m x 1.5m x .45m)

    Thermal management: 9 x cooling fans, slotted housing & overbuilt Aluminum fin heat-sinks.

    Fixture Dimensions: 27" L x 27" W x 4" H

    PPF/Watt / PAR Efficacy: : 2.40 umol/J

    PPFD: 833.70 (@18" Hang Height)

    Input Voltage: 100-265 VAC (240 volt USA power cords sold separately)

    Power Cord: We automatically ship the correct power cord for your country

    Input Current: 5-1.9 Amps

    Amperage: @120v pulls 4.1 Amps @240v pulls 2.1 Amps

    Max Power Draw: 500 watts

    Finish: Matte White

    Fixture Weight: 40 Pounds

    Shipping Weight: 48 Pounds

    Product includes: 120v power cord, 4 Rope Ratchet Hangers & LED Fixture. (120v-240v power cords available, we automatically ship the correct power cord for your country)


      Optic LED Warranty: Lifetime Warranty (10 years)

      Life Expectancy: 10-13 Years 

      Packaging: Plain brown discrete packaging with no labels.

      (*Taxes & Duties will be required on shipments outside of N. America)

      Shipping: Free shipping to 60+ countries.

      USA Orders: Ships within 1-10 business day

      Outside USA: Ships within 1-2 business days

      *Special Shipping designations are listed at the top.

      Recommended for:

      • Grow tents(4x4) (5x5) (8x8) (10x10) 
      • Grow rooms (All Sizes)
      • Full-cycle growing from seedling to flower
      • Soil, hydroponic, aeroponic, or aquaponic systems

      Optic 8+ Patented in the USA

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