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Quantum Instruments

Quantum Instruments Inc. was founded in 1975 and entered the photo business in 1978. We design and manufacture photo equipment, flash units, power and battery specifically for the professional and serious photographer.

We are a company of about 75 consisting of electrical engineers, mechanical designers, manufacturing supervisors and assemblers, sales, marketing, quality control, customer support and IT people. We are fortunate that our experienced staff allows us to keep production in the U.S. This allows us to stay on top of trends in the photo market and to stay close to our customers with products that enhance productivity. We are always developing new products and enhancements to our existing products.

Quantum’s staff takes pride in the products and service we provide. We hope you find the information and resources on this web site useful, and you are welcome to contact us via email or phone for additional information you desire about Quantum products.

Quantum Instruments
A division of PromarkBRANDS
1268 Humbracht Circle
Bartlett, IL 60103-1631 USA
Tel: (800) 989-0505
Email: Quantum Help

For Quantum Sales contact the following:

Tel: 800-989-0505
Fax: 630-830-2525
Email: quantsales@qtm.com

For Quantum TECHNICAL SUPPORT contact the following:

Tel: (630) 233-1537
Fax: (630) 830-2525
Email: quantumhelp@qtm.com

Get it fixed right the first time every time.

Thats right! The same skilled craftsmen that make your Quantum flash also service them just outside of Chicago in our Bartlett, IL manufacturing plant.  And that’s not all, we also service most other brands as well.  Click here for repairs or give us a call today and we’ll help you get back on the shoot: 630-233-1545 or 630-246-5002.

Free Firmware Updates are available for Trio, Pilot, and Trio Basic.

Click here for more details on downloading and installing your updates.


Convert your older Qflash, TTL Adapter, FreeXwire, or Turbo, to enjoy some or all of the features & compatibility or our current models.

Product Conversions

Quantum constantly strives to develop new and innovative products for the professional photographer.

To help preserve your Quantum investment, wherever possible, we provide a Conversion path for older products to enable you to use the newest features as they become available.

Below is a listing of the upgrades currently available.

Your Product: Convert To: Code Details
QFT4 QFT5d-R UQT4DR Details
QFX4 QFX5d-R UQX4DR Details
QFT5d QFT5d-R UQT5DR Details
QFX5d QFX5d-R UQX5DR Details
D12/D12i/D12w/D12w-R D22w-R UD22WR Details
D13N/D13W/D13w-R D23w-R UD23WR Details
FW10 FW10w UFW10W Details
Turbo 2×2, SC, C, AC use w/Nikon SB900 & SB910 UQTNIK Details
QF8C QF8N R8CTC Details
QF8N QF8C R8NTC Details
QF9C QF9N R9CTC Details
QF9N QF9C R9NTC Details
QF26 OM3 UQF26 Details


CoPilot – Qflash Conversion Offer

Free QFT5dR, QFX5dR Firmware Updates and Special Pricing on QFT4, QFX4 and QFT5d, QFX5d Conversions.


CoPilot: Native Wireless Control for Qflash, Trio and Omicron 3
Wireless QTTL Adapter with IR Auto-Focus Assist & Easy to Adjust Setting DialsTrigger and quickly adjust settings for up to 3 groups of radio controlled Qflash,
right from your camera.Available in three models,

  • QF91C for use with Canon Cameras
  • QF91N for Nikon DSLR Cameras
  • QF91P for Panasonic Cameras
  • QF91S for Sony Cameras*.



*Please note: to facilitate proper functionality, a firmware update is required. As both the T5D-R and FW7Q will require this update, both devises will need to be returned to the factory for update. This update will be done free of charge (shipping not included) for a limited time. Proof of purchase of a CoPilot must be provided. This free T5D-R and FW7Q update is for firmware versions 2A and up. Earlier versions will be provided at a reduced rate. It is still possible to upgrade a T4D-R to the current version as well.

If you want to use CoPilot with your Qflash model QFT4, QFX4 or QFT5d, QFX5d you will need to convert your Qflash to the current models, QFT5dR and QFX5dR.

The cost of converting a QFT4, QFX4 to QFT5dR, QFX5dR is normally $189 with the purchase of a CoPilot the cost of the conversion is $125.

The cost of converting a QFT5d, QFX5d to QFT5dR, QFX5dR is normally $114 with the  purchase of a CoPilot the cost of the conversion is $75.




This is a great opportunity to bring your older equipment up to date.

*QFT5dR and QFX5dR with firmware version 02A are compatible with CoPilot, but only include settings for Remote Groups 1 & 2. Owners of QFT5DR and QFX5dR with firmware version 02A or earlier are welcome to send their unit in for a free firmware update which will enable your unit to be used in “Remote Group 3.”

 All previous versions of the Qflashes not listed above are beyond their service life and are no longer supported.

Studio Strobes for on-site commercial, portraiture, and the prominent wedding photographer.