Author Eric K'DUAL
Published February 10, 2026
Reading time 10 minutes
Series The Fine Print

I've seen extraordinary prints killed by cheap frames and reflective glass. I've also seen modest prints look commanding with thoughtful, museum-grade presentation. Framing is the last creative decision you make about an image, and most photographers treat it as an afterthought. That's a mistake. A 300 EUR print in a 15 EUR clip frame communicates something very specific to a viewer, and what it communicates is that you don't take your own work seriously.

I learned this lesson at my first proper exhibition in a small Batignolles gallery in 2014. I'd spent months on the prints. They were good. The framing was an afterthought: cheap black wooden mouldings from a box store, standard glass, basic white mats cut by the frame shop. Under the gallery's halogen spots, the reflections in the glass competed with the shadow detail in every single print. Visitors were tilting their heads, shifting their weight, trying to find an angle where they could actually see the photograph. I'd spent hundreds of hours on tonal control and then buried the results behind a wall of glare. That show taught me everything I needed to know about presentation.

Conservation Matting

The mat separates print from glass, provides breathing room around the image, and protects against contact damage. For fine art work, the mat must be conservation-grade: 100% cotton, acid-free, lignin-free, buffered with calcium carbonate to neutralize atmospheric acids over time.

Cheap mat board is made from wood pulp. It contains lignin, which breaks down into acid and produces that familiar yellow-brown "burn line" along the bevel within a few years. I've seen prints from the 1990s with dark halos of discoloration around the mat window. The acid migrates from the mat into the print, causing permanent staining. For work you care about, conservation board isn't optional.

Ply and Thickness

Standard conservation mat board is 4-ply (about 1.5mm). For exhibitions, I recommend 8-ply (about 3mm). The deeper shadow line around the window opening gives the presentation a more substantial feel and provides better protection during shipping. The visual difference between 4-ply and 8-ply is immediately obvious when you hold the two side by side. The 8-ply mat creates a deeper reveal, a more pronounced shadow along the bevel, and a sense of depth between glass and print that makes the image feel like it's sitting inside the frame rather than pressed flat against it.

For oversized works (anything above 60x80 cm), 8-ply is structurally necessary. A 4-ply mat in a large frame can sag over time, especially in humid environments, and eventually touch the print surface. That contact point becomes a permanent mark.

Mat Color

Mat color for B&W is almost always white or off-white. Bright white creates maximum contrast, which suits high-key or high-contrast prints. A slightly warm off-white (often called "antique white" or "cream") softens the transition, which can work better with warm-toned prints on baryta or warm-base cotton rag. I keep both in stock and choose per image.

I've experimented with black mats for high-contrast B&W work, and I'd discourage it in most cases. A black mat eliminates the breathing room between image and frame, making the photograph feel compressed. The exceptions are small, very graphic images (20x25 cm or smaller) where you want the print to punch out of a dark surround. For everything else, white or off-white.

Mat Proportions and Standards: The standard gallery proportion is 3 inches (7.5 cm) minimum on the sides and top, with the bottom margin 0.5 to 1 inch wider. This "weighted bottom" gives the framed image visual stability. Equal margins make the image appear to slide downward. For a 16 x 20 inch print in a 24 x 30 inch frame, I cut the mat at 3.5 inches on sides and top, 4.5 inches on the bottom. For smaller prints (8x10 or 11x14), a 2.5 inch side margin with 3 inch bottom works well. For oversized prints (24x36 and larger), increase to 4 inches minimum on the sides. The proportions matter more than the absolute measurements.

Mounting

Hinge mounting is the conservation standard and the only method accepted by serious galleries and collectors. Two or three hinges of acid-free Japanese tissue paper (kozo or mulberry fibre) suspend the print from the top edge of the backing board. The print hangs freely, expanding and contracting with humidity changes without buckling or warping. Fully reversible: the hinges can be removed with a damp sponge without damaging the print. For heavy baryta prints over 300 gsm, use T-hinges (an L-shaped hinge reinforced with a crossbar strip) to distribute weight more evenly.

I use Lineco self-adhesive linen hinge tape for most work, but for anything destined for a museum collection or serious collector, I switch to traditional wheat starch paste with Japanese tissue. The paste is weaker than the paper, which means if the print is ever stressed (say, during a fall), the hinge tears before the print does. That's the point. The hinge is a sacrificial element.

Corner mounting uses acid-free photo corners attached to the backing board, with the print slipped into the corners. No adhesive touches the print at all. Completely reversible. Slightly less secure than hinge mounting during transport, but ideal for works on paper that are especially sensitive or valuable.

Dry mounting uses heat-activated adhesive to bond the print permanently to the board. The result is perfectly flat, but irreversible. Most galleries and collectors won't accept dry-mounted work. I reserve it for commercial display prints with no archival intent. If you must dry-mount, use Seal Colormount or equivalent acid-free tissue, and know that you're making a permanent decision.

Gallery wall with carefully presented black and white photographs
A cohesive exhibition demands consistent matting, framing, and spacing. Each element of the presentation must serve the work without competing for attention.

Glazing: Glass and Acrylic

The glazing is where most photographers underinvest, and it's where the biggest visual improvement is available. Standard picture glass has a green tint (visible when you look at the edge), transmits about 91% of visible light, and produces strong reflections that compete with shadow detail in the print. For B&W work, where shadow subtlety is the whole game, standard glass is actively destructive.

TruVue Museum Glass

Museum Glass transmits over 97% of visible light while reducing reflections to less than 1%. It blocks 99% of UV radiation. The anti-reflective coating on both surfaces makes it virtually invisible in a well-lit gallery. It costs three to five times more than standard picture glass. For exhibition work, it's the right choice. Without it, reflected room light competes with your shadow detail and the viewer never sees the full tonal range you worked for.

I've run informal tests with visitors at exhibition openings, placing the same print behind Museum Glass and standard glass in identical frames. Every single person, without being told what they were looking at, described the Museum Glass version as having "deeper blacks" and "more detail." The prints were identical. The glass made the difference.

TruVue Conservation Clear

If Museum Glass exceeds your budget, Conservation Clear is the middle ground. Full UV protection (99%), standard reflectivity, no anti-reflective coating. Half the cost of Museum Glass. For home display where you can control viewing angles and lighting, it's a reasonable compromise. For gallery or exhibition work where you can't control the ambient light, the reflections will still compete with your prints.

TruVue Optium Museum Acrylic

For prints over 30 x 40 inches, acrylic becomes necessary for weight and safety. A 40x50 inch piece of Museum Glass weighs over 8 kg and requires heavy-duty hanging hardware. Optium Museum Acrylic at the same size weighs under 3 kg. It matches Museum Glass on anti-reflective and UV properties, with the shatter resistance you need for large installations and work that ships frequently. The downside: acrylic scratches more easily than glass, and it generates static that attracts dust. I clean acrylic-glazed frames with Novus Plastic Clean or similar anti-static cleaners rather than standard glass cleaner.

No Glass at All

Some photographers prefer unglazed presentation, especially for cotton rag prints mounted to aluminium Dibond. The viewer sees the print surface directly, with no reflections and no color shift from the glass. The trade-off is obvious: no UV protection, no physical barrier against dust, moisture, or contact damage. For gallery exhibitions with a defined display period and controlled environment, unglazed works beautifully. For permanent display or anything in a domestic setting, I wouldn't risk it.

Frame Selection

Here's my strong opinion on this: black frames for B&W work. Always. I used walnut frames for a small show in a Saint-Germain bookshop in 2015, thinking the warmth would complement my selenium-toned prints. It did the opposite. The wood competed with the image warmth instead of providing neutral contrast. I reframed everything in slim matte black aluminium profiles two days before the opening. The prints finally breathed. Since then, I use Nielsen 15 aluminium in matte black for nearly everything. It disappears completely, which is exactly the point.

If you disagree, fine. But test it. Print the same image and frame it in natural wood and in black aluminium. Hang them side by side. The black frame will let the photograph speak. The wood frame will speak for itself.

Gallery Frame Options in Detail

Gallery vs. Home Display

Gallery and home are different environments with different requirements, and framing that works in one can fail in the other.

Galleries have white walls, controlled lighting, consistent temperature and humidity, and visitors who stand at a defined distance (typically 1 to 2 meters for medium prints). You control the experience. Mat, frame, glass, lighting, and spacing all work together in a system you've designed.

Homes have colored walls, mixed lighting (daylight through windows, overhead fixtures, table lamps), variable humidity, and viewers at unpredictable distances. A print that looks commanding on a gallery wall at 150 lux under 3500K track lighting can look flat and dull on a south-facing living room wall washed in 1000 lux of afternoon daylight. The glass you chose for gallery conditions may produce unbearable reflections next to a window.

For buyers, I offer a simple recommendation: Museum Glass for any wall that receives direct or reflected daylight. Conservation Clear for walls that are primarily lit by artificial light where you can control the angle. Matte prints (cotton rag, unglazed) for walls with difficult lighting where reflections would be a constant problem.

I also recommend slightly wider mat proportions for home display than for gallery. In a gallery, the white wall extends the visual breathing room around each print. At home, where the print hangs among furniture, shelves, and other visual clutter, a generous mat helps isolate the image from its surroundings. Where I'd use 3-inch borders in a gallery, I'll suggest 4 inches for a home installation.

Gallery Lighting

Lighting has a greater impact on how a print is perceived than anything except the print itself. Get it wrong and a masterful print looks muddy. Get it right and even a modest print gains presence.

Colour Temperature and Level

For B&W photography, aim for 3500K to 4000K. This avoids the clinical harshness of 5000K daylight and the excessive warmth of 2700K tungsten. CRI should be 95 or above. Gallery illumination is typically 150 to 200 lux at the print surface, bright enough for full tonal detail but restrained enough to protect against fading. For exhibition work with UV-filtered glazing, you have more latitude; for unglazed prints, err toward the lower end.

Modern LED track fixtures from manufacturers like Erco, iGuzzini, and Flos offer tunable colour temperature and dimming, which lets you dial in the exact warmth for your prints during installation. I've been using Erco Parscan LED spots for my last four exhibitions. They're expensive (250-400 EUR per fixture), but rental is usually available from the venue or from lighting companies that serve galleries. The ability to adjust from 3000K to 4500K on each individual fixture during the hang is worth every cent.

Lighting Angle

Track-mounted spotlights should be angled at roughly 30 degrees from vertical, aimed at the center of the print. This minimizes glare on glazed frames while providing even illumination. The 30-degree rule assumes the viewer stands about 1.5 meters from the wall. If your gallery is narrow and viewers will be closer, increase the angle toward 35-40 degrees to push the reflection zone further down.

Avoid lighting from directly overhead (hot spots on glass, uneven illumination with the top of the print overlit and the bottom in relative shadow) and from too shallow an angle (shadows from frame edges and mat thickness become visible). If you can, do a test hang with one or two prints before committing to a lighting plan for the full show. Walk around the space, crouch, stand on tiptoe, look from oblique angles. Find where the reflections land and adjust accordingly.

Dramatic lighting on a wall
Proper gallery lighting reveals the full tonal range of a B&W print without competing glare or colour cast.
Fine art photograph in gallery setting
Conservation framing with Museum Glass: the viewer engages directly with the print, free of distracting reflections.

Hanging Height, Spacing, and Breathing Room

The universal gallery standard places the center of each artwork at 145 to 150 cm from the floor. Roughly average eye height for a standing adult. Some galleries use 152 cm (60 inches), the American museum standard. For sitting-height viewing (restaurants, waiting rooms, residential settings), drop to 130-135 cm.

Spacing between works should be consistent throughout the exhibition: 15-20 cm minimum for medium-sized works (up to 60 cm on the long edge), 25-40 cm for anything over 80 cm. Crowding diminishes every piece. White space lets each image be encountered on its own terms. I've never regretted giving a print too much room. I've regretted cramming them together.

For a salon-style hang (multiple rows of varied sizes), maintain a minimum of 8-10 cm between frames and align either the top edges or the center line of each row. Salon hangs can look tremendous with B&W work when the prints share a consistent mat and frame treatment. Without consistency, it becomes a jumble.

One detail that's easy to overlook: the relationship between print size and viewing distance. A small print (20x25 cm image area) with generous matting in a 40x50 cm frame invites close viewing. The viewer leans in, studies the grain, notices the tonal transitions. A large print (60x90 cm or bigger) needs at least 2 meters of standing room in front of it so the viewer can take in the whole image. If your gallery is narrow, large prints will always feel overwhelming because the viewer can't step back far enough. Plan your print sizes to the physical space.

Edition Numbering and Signing

Standard notation is a fraction: 3/15 means the third print in an edition of fifteen. Pencil it on the lower left margin with a soft graphite (2B or softer). Title goes centered below the image. Signature on the lower right. Never ink, which can bleed through the paper over time or resist erasure if you make an error.

Artist's proofs (A/P) are limited to 10% of the edition, reserved for your personal collection or gifts. So an edition of 15 gets one or two A/Ps. I recommend editions of 5 to 25 for gallery work. Smaller editions (5-10) for large-format prints, larger editions (15-25) for smaller prints. Each print in the edition should be inspected under controlled lighting, and anything that doesn't meet your standard gets destroyed. Write "cancelled" on the back and cut through the image area. Sounds harsh, but sub-standard prints floating around devalue the entire edition.

For signing, I use a Staedtler Mars Lumograph 2B. Consistent line weight, doesn't smudge once set, graphite is chemically inert against cotton and baryta papers. Some photographers use a fine-point archival marker (Sakura Micron or similar). I prefer pencil because it matches the silver-and-black world of the photograph better than black ink does.

Edition Pricing Structure: Common practice is to increase the price by 15-25% after each third of the edition sells. So in an edition of 15: prints 1-5 at base price, prints 6-10 at +20%, prints 11-15 at +40%. This rewards early buyers and reflects increasing scarcity. Keep a written record of every sale: print number, buyer name, date, price. This edition log becomes part of the provenance documentation that collectors and galleries expect.


Eric K'DUAL
Written by
Eric K'DUAL
Photographer & Writer
Eric K'DUAL is a French photographer and digital artist based in France. Passionate about code and black & white photography, he bridges traditional darkroom craft with modern computational imaging, building his own tools and chasing the decisive moment in monochrome.