Frequently Asked Questions

What sets our grow room glasses apart is our dedication to superior quality and advanced technology. Unlike other sunglasses or cheap grow room copycats, we are the only company designing lenses specifically for indoor grow lights, and we continually adapt to keep up with the latest advancements in LED lighting. Our glasses are crafted with high-quality mineral glass or synthetics that rival glass clarity, enhancing visual clarity and reducing distortion. We incorporate rare earth metals into our lenses, filtering out harmful high-energy spikes emitted by HPS lights and eliminating the stroboscopic effect. Precision-crafted by Carl Zeiss, our synthetic lenses are never bent to fit frames, ensuring there is no visual distortion. This meticulous design provides a clearer, more accurate view and superior eye protection. Additionally, our glasses offer exceptional color correction, allowing you to see your plants in true color, which is essential for monitoring their health and growth. In essence, our grow room glasses deliver unmatched clarity, protection, and comfort, making them the superior choice for professionals working under intense lighting conditions.

The best option for ceramic metal halide glasses is any FX or FX2 lens. These lenses, initially designed for full spectrum LED lights with a similar spectral output to ceramic metal halide, offer subtle color balance and comprehensive protection. They provide superb contrast, as well as UV and infrared protection, ensuring complete visual safety and clarity.

If you're using mixed lighting, including HPS lights with CMH or LEDs, the HPS yellow spectrum is usually dominant. In this case, we recommend our Crystal HPS lenses to balance that spectrum effectively. If your lighting mix does not include HPS, the new FX2 lens is likely the best choice for achieving optimal color balance. All our lenses provide safety and protection, but achieving perfect color balance can be more challenging with mixed lights. To get the best results, identify the dominant spectrum in your grow and choose the corresponding lens.

The Blurple LED lenses offer profound color balance for red/blue to magenta spectrum LED grow lights (EXAMPLES: KIND LED or Black Dog LED). The FX2 lenses are designed for full spectrum LED lights, offering subtle color balance to enhance contrast (EXAMPLES: FLUENCE LED or Spectrum King LED).

HPS lights will overpower the bright white MH light. You're good to go with any of our HPS grow glasses. If you have the HPS lights and MH lights in separate grow rooms, rather than mixed together, you'll have a better experience with the appropriate lenses for each grow room.

Our favorite HPS grow room glasses are the “Perfect Color” HPS. These premium mineral glass lenses offer the most profound color balance, cooling, and clarity available. Glass lenses are a challenge to make, but they sure make for an amazing visual experience. HPSx Transition optics refer to transition grow glasses. Photochromic technology reacts with direct sunlight to transition the sunglasses from blue to a soft grey within a few minutes of exposure. Our polycarbonate HPS grow glasses attenuate and balance the HPS spectrum. They are manufactured in partnership Zeiss optics, guaranteeing your distortion and haze free clarity and comfort.

No. Our notch filtering technology works so well as it very specifically filters out some wavelengths of light while allowing other wavelengths to pass information to the eye. Each M7 lens is a filter highly tuned to its namesake light spectrum. It's not possible for a single lens to properly filter light for vastly different spectrums. As with filters, if the input changes, so does the output.

Our photo filters are compatible with the Cokin “P” series filter holder system (not included).The filters fit best into the center slot of the filter holder. You will also select an adapter ring sized appropriately for your camera, they are available in many sizes: 48mm, 49mm, 52mm, 55mm, 58mm, 62mm, 67mm, 72mm, 77mm, 82mm. Cokin also offers a universal adapter, note,  some say this option has a less secure fit. Larger lenses will experience some vignetting. Check out Cokin’s website to see if your camera is compatible: https://cokin.com/en/149-creative-filter-range

Please contact us to request an authorized dealer application. If you reside outside the US, consider visiting one of our authorized distributors for Method Seven's outstanding quality without the hassle of ordering internationally.

Everything! Our notch filtering technology optics enhances contrast while preserving your peripheral view, and 13 coatings cut through glare without screen disruptive polarization. Our hand-tooled Japanese Titanium frames make our pilot sunglasses headset and oxygen mask compatible, allowing visual comfort and ease from takeoff to wheels down.

Visual light transmission, or VLT, refers to the percentage of light passing through the lenses. Our SKY18 lenses filter out 82% of light, allowing a visual light transmission of 18% (about average). SKY9 lenses are the darkest and SKY30 lenses are the lightest.

No. We make top-notch non-polarized pilot sunglasses, so that pilots can view their instrument panel and see through the windscreen without distortion. Our notch filtering technology cuts through glare without polarization.

While our lenses adjust blue light, we do not condone completely blocking blue light. Blue light is an important range of the visual color spectrum, and it assists with both peripheral vision and contrast perception. We reduce higher energy blue light while preserving areas of helpful information. Blue light wavelengths are too large to penetrate human cells like UV.

The SKY lens is made of crystalline glass and gets it’s notch filtering magic by melting rare earth elements into the glass. The blue color is a result of how the light interacts with these natural elements, similar to how the sky is blue due to refracted light. Interestingly, we didn’t set out to make our lens blue, rather it's a natural result of the filtering elements. The SKY lens is the best, with clarity you can only get from glass lenses. It's going to block IR (heat) the best. It's very scratch-resistant, but it will break if you drop it on concrete. The SKY lens is available in three VLT%, from very light (30%), medium (18%) to very dark (9%).

The FLT lens is polymer, so it’s lighter than glass and is nearly unbreakable, but you must be more careful about scratches. We achieved remarkable clarity, the best on the market, so it’s close to the glass. It’s not blue, but it achieves extremely similar notch filtering through advanced dyes and coatings. Even some IR (heat) blocking, which no other polymer (plastic) lens does that we know of. It’s remarkable. We only make this in one VLT (18%) at this time because that’s the sweet spot for most people and uses, and it’s a new technology. We might bring a darker lens to market next year. But our philosophy is “give your eyes as much light as you can, just give them good filtered light”. The FLT 18 is just amazing.

Prescription pilot sunglasses and HPS grow glasses are available at https://methodseven.com/rx-prescription-glasses/.

Our performance prescription sunglasses take about 3-5 weeks to create. Please note, there are occasional production flaws and we may opt to have your lenses remade if we feel they are less than perfect, this may add 1-2 weeks. The expedited shipping service will be fulfilled once your prescription sunglasses are ready, but selecting this service does not shorten processing time.

Within 1-2 business days of placing your order, a Measurement Kit will be shipped to you (at no additional cost), to be taken to your local optician. The kit includes a sample frame, Rx form, and pre-paid return postage. The sample frame has lenses that may be marked by your optician. Upon return of your kit we submit your order for processing.

Our bifocals are “readers.” They have flat-line magnification in the lower lens with NO forward vision correction in the top of the lens. If you need forward vision correction, please order the progressive option. We cannot accommodate forward vision correction with flat-line bifocals.

While you may check out with your flexible spending debit card, we do not bill insurance. We can provide an invoice indicating your prescription upon request.

Processing errors are corrected by Method Seven at no cost. Rx changes due to a new Rx or incorrectly reported Rx are amended for a fee. Please report Rx issues within 30 days of receiving your order.

You will receive an automated e-mail from Customer Service within minutes of completing your order online. If you do not receive this email, please contact Customer Service. You can also see comprehensive information about your orders on your My Account page.

You will receive an automated email from customer service when your order ships. This will include information about how to track your shipment until its arrival.

We stand behind everything we make. Please see our Warranty & Repair policies for details and instructions.