Tintype

A tintype is a wet-plate-collodion image made on a sheet of japanned (asphalt-blackened) iron, where the dark substrate IS the support AND the backing in one piece, and the developed silver negative reads as a direct positive against that integrated black surface. The result is a unique, non-printable photograph, typically the size of a playing card or smaller, that has been one of the most distinctive and immediately recognisable forms of photography for nearly 175 years.

This page is a spoke of the wet-plate-collodion family. The chemistry, workflow, spectral sensitivity, and time-pressure framing common to all wet-plate output formats live on the Wet-Plate Collodion hub. This page focuses on what is unique to the tintype: the japanned-iron substrate, the direct-positive aesthetic, the small-format intimacy, the historical context that made it the dominant Civil War-era and carnival-era photographic format, and the contemporary practitioners who specialize in it.

The substrate is the support and the backing in one piece

The single most distinctive feature of the tintype, and what every other characteristic flows from, is that the substrate plays both roles at once. A piece of japanned iron is a rigid mechanical support that holds the wet-collodion film through pour, sensitize, expose, develop, fix, wash, and varnish. It is also the dark backing that converts a wet-collodion negative into a direct positive when viewed by reflected light. There is no separate backing material to apply, no separate component to come apart, and nothing fragile about the substrate itself.

Compare the alternatives. A glass-plate ambrotype needs a separate black backing (velvet, paper, paint, asphaltum) applied behind the developed image — two components rather than one, with the joint between them as a potential failure mode. A glass-plate negative needs no backing because it is intended to be printed by transmitted light rather than viewed by reflected light. A daguerreotype needs no backing because the silver image is on a polished silver-coated copper substrate that reflects the unexposed areas as the brightest part of the image. The tintype's japanned iron is the unique solution: a single durable substrate that is simultaneously rigid support and dark backing, doing both jobs at once.

The asphaltum (or, in modern practice, commercial black baked enamel) is fused to the iron at manufacture. The thickness of the coating is roughly 50–100 microns; the underlying iron sheet runs 0.4–0.8 mm. The composite plate is typically 0.5–1.0 mm thick, weighs roughly 7 grams for a 4×5 plate (versus 30 grams for a comparable glass plate), and survives drops, transport, and casual handling with only cosmetic damage at worst.

Substrate preparation

Practical tintype practice almost never involves preparing iron substrate from raw stock — the modern supply chain handles that. Two paths cover essentially all current practice:

• Pre-japanned tintype plates from specialty alt-process suppliers — Bostick & Sullivan, John Coffer's farm supply, Photographers' Formulary, and a handful of UK and European specialty suppliers. These ship as cut iron sheets coated with a baked asphaltum varnish on the imaging side and (usually) a thinner protective coating on the back. Standard sizes match the historic plate-size catalog (1/9, 1/6, 1/4, 1/2, whole) plus modern view-camera sizes (4×5, 5×7, 8×10). Cost per plate runs roughly $2–4 for 4×5 and scales linearly with area. Practitioners typically wipe the imaging side with a cotton ball and isopropyl alcohol immediately before pouring collodion, to remove fingerprint oils that would repel the collodion at the edges.
• Aluminum sheet with a black-painted finish — the dominant modern substitute. Anodized aluminum (which has a matte black surface chemically bonded to the metal) is the cleanest option; black-spray-painted aluminum sheet (Krylon Ultra-Flat Black on degreased aluminum, allowed to cure for 48 hours minimum) is the budget option. Aluminum is not strictly a "tintype" per the historical definition, but the term has expanded in modern practice to include any single-substrate, dark-coated, direct-positive wet-collodion output. Aluminum's advantages are availability (any sheet-metal supplier sells it), cost (~$0.50 per 4×5 plate after coating), and weight (a third of iron, useful for very large plates). The disadvantage is purely aesthetic: practitioners who care about period-correct surface character prefer japanned iron's slight surface gloss over anodized aluminum's deeper matte.

Edge prep matters more than substrate choice. The cut edge of either iron or aluminum is sharp enough to cut skin, draw blood into the silver bath (which contaminates the bath instantly and ends the day's work), and chip off into the developer. Sand all four edges with 220-grit then 400-grit sandpaper before first use; check edges before every plate; treat them with a drop of clear nail polish if they show any roughness. Plate-edge discipline is one of the workshop habits that distinguishes the experienced wet-plate practitioner from the beginner.

Image character

The tintype aesthetic is governed by the substrate's role as the integrated black backing:

• Rich, deep blacks because the substrate IS the black. There is no light leakage through the support; what you see in the shadow areas of a tintype is the asphaltum or paint surface itself, with no silver deposit on top. The blacks are essentially absolute, limited only by the substrate's reflectance (which for asphaltum is approximately 2–3% — by photographic-print standards, very dark indeed).
• Creamy, silvery midtones where the silver image is dense enough to read as gray. The collodion film is thin (roughly 5–10 microns when set) and the silver image sits very near the surface; light bouncing off the silver-image layer travels almost no distance through any substrate before reflecting back to the viewer. The midtones have a characteristic creamy sheen that is unmistakable in person and difficult to capture in reproductions.
• Bright, near-luminous highlights at the heaviest silver deposit. The brightest passages of a tintype are essentially a thin metallic-silver film viewed by reflected light, which gives a slight specular sheen at certain angles — the same optical character as polished silver leaf, in miniature.
• Surface specularity that rewards tilt-viewing. A tintype viewed straight-on at a flat angle shows the image with maximum contrast. Tilted slightly, the substrate's specular reflection comes into view and the image takes on a slight ghosting effect — a faint negative impression overlays the positive. Many practitioners and viewers tilt a tintype back and forth slowly when first looking at it; the experience is part of the format.

Period tintypes (1850s–1900s) often show a slight sepia or warm-brown patina from asphaltum browning over the decades; modern tintypes look slightly cooler and more silvery because the modern asphaltum or paint substrates have not aged. Both are legitimate aesthetics, and modern collectors and gallerists value the period browning as a marker of authenticity rather than as a defect to be corrected.

A brief history

The tintype was patented February 19, 1856 by Hamilton Lanphere Smith (Professor of Natural Philosophy at Kenyon College, Gambier, Ohio) — US Patent 14,300, assigned to William Neff. The earliest American tintypes are stamped "Neff's Melainotype Pat 19 Feb 56." Smith patented the process under the name "melainotype" (later renamed "ferrotype" and finally "tintype" in popular usage). The term "tintype" is technically a misnomer — the substrate is iron, not tin — but the name took hold in the 1860s and stuck. Smith's process was commercialized in the late 1850s by William Neff and his son Peter, who manufactured pre-japanned iron plates and sold them through photographic dealers nationally.

The American Civil War (1861–1865) was the tintype's defining era

. Cheaper than wet-plate-glass-negative-and-albumen-print combinations (which required a darkroom session for the negative plus a separate sun-printing session for the albumen positive), and dramatically more durable than ambrotypes (which shattered when dropped), tintypes became the dominant photographic-portrait format for soldiers and the families they sent images to. Itinerant photographers set up tintype operations near military camps and along roads to battlefields; surviving Civil War tintypes number in the millions. Mathew Brady's competitors used tintype in the field because the operating costs were a fraction of the glass-negative-and-albumen workflow, and the durability of the finished plate was essential when the customer was a soldier whose pack might travel thousands of miles before the image got home.

Through the 1860s–1880s tintypes dominated the carnival, fairground, and itinerant-photographer market

. A confident tintype operator could produce a finished plate in roughly five minutes for a sitter who walked up to the booth — pour, sensitize, expose (a few seconds in good outdoor light), develop, fix, hand the dripping plate to the customer in an oilcloth wrapper. The pricing was per-plate at ten to twenty-five cents, an affordable purchase for working-class Americans who had never sat for a daguerreotype or albumen print. Carnival tintype photographers continued operating into the early 20th century, well past the date that mainstream studio practice had moved to gelatin-silver paper prints from dry-plate negatives.

The format outlived the wet-plate-glass-negative and the ambrotype because the iron substrate was cheap, durable, and didn't shatter. A pile of tintypes in a soldier's kit could ride a Conestoga wagon for six months and still arrive intact; a pile of glass-plate ambrotypes could not. Even after silver-gelatin dry plates had displaced wet plate for serious studio work in the 1880s, carnival tintype photographers continued using wet-collodion-on-iron because the materials and skills were already in their hands and the customer market still wanted the cheap, fast, durable image. Tintype practice tapered off in the 1900s–1920s as roll-film cameras displaced the per-plate-portrait economic model, but never died completely; rural fairground photographers in the United States and Mexico continued doing tintypes into the 1960s. The lineage from 19th-century carnival photographer to modern revival workshop is essentially unbroken — a few of the practitioners who started teaching in the 1980s–1990s revival had themselves been taught, in childhood, by working tintype photographers who learned the trade in the 1900s.

The 19th-century plate-size catalogue

Tintype practice inherits the plate-size taxonomy that the daguerreotype standardized in the 1840s and that wet-plate practice continued through the 19th century. The plate sizes most commonly encountered in surviving 19th-century tintypes and in modern practice are:

• 1/9 plate — 2 × 2.5 in. — the smallest common plate size

; "palm of hand" intimacy.

• 1/6 plate — 2.75 × 3.25 in. — the most common Civil War-era soldier portrait size; standard Union-case format.
• 1/4 plate — 3.25 × 4.25 in. — middle-sized portraits; less common than 1/6 but well-represented.
• 1/2 plate — 4.25 × 5.5 in. — larger portraits and family groups.
• whole plate — 6.5 × 8.5 in. — gallery-quality portraits; rare in surviving tintypes (mostly used for ambrotypes and wet-plate negatives at this size).
• carte-de-visite — 2.5 × 4 in. — derived from the albumen-print mount size; some tintypes were trimmed to CDV proportions for inclusion in CDV albums.

Modern view-camera tintype practitioners typically work at 4×5, 5×7, or 8×10 — the standard sheet-film sizes that modern view-camera plate holders accept directly. Some practitioners scale up to 11×14 or larger for gallery work, where the plate sizes overlap with modern wet-plate-glass-negative practice.

The plate-size choice is partly aesthetic (small plates intimate, large plates monumental) and partly logistical (smaller plates use less collodion, smaller silver bath, smaller dark area required for processing).

Modern revival and contemporary art context

The modern revival paralleled the broader wet-plate revival

but with a more pronounced popular-culture footprint. Three overlapping segments share chemistry but differ in audience and economics:

• Fine-art / gallery practice. Sally Mann's What Remains (2003) and Deep South (2005) used 8×10 wet-plate including substantial tintype work and brought the aesthetic to broad gallery and museum audiences. Sally Mann, Borut Peterlin, and a generation of younger practitioners now work the medium at gallery scale. Editions are typically small (1-of-1 or short editions); pricing runs from a few hundred dollars for small plates to multiple thousands for large gallery work. The aesthetic is the focus, and the historical-process framing is part of the value.
• Workshop / educational practice. John Coffer's Camp Tintype on his Dundee NY farm, opened in 1992, is named for the tintype specifically and remains the canonical tintype workshop. Lisa Elmaleh's annual Wet Plate in the Field workshop at the Penumbra Foundation has trained hundreds of contemporary practitioners in field tintype practice over the past decade. The Scully & Osterman Studio (Mark Osterman + France Scully Osterman, Rochester NY) covers the full wet-plate repertoire including tintype. Workshop pricing runs $600–1500 per multi-day intensive.
• Commercial / commission practice. Wedding portraitists, heritage festival sitting-portraits, "tintype experience" booths at corporate events, and small-edition portrait commissions. Quinn Jacobson's Studio Q Photography practice in Las Cruces NM is a substantial example — a sustainable studio practice substantially funded by commission work alongside fine-art gallery editions. Commercial pricing runs from $200–500 per sitting-portrait at heritage festivals through several thousand for a wedding-day on-location tintype session. The visible-craft theater of the wet-collodion process is part of the customer experience and the pricing.

Lisa Elmaleh's Wet Plate in the Field annual at the Penumbra Foundation has become the canonical field-tintype workshop for younger practitioners; Coffer's Camp Tintype is the canonical workshop for those wanting the longer-running master's curriculum on Coffer's farm. Borut Peterlin in Slovenia has built a substantial international audience through YouTube tutorials covering both tintype and the broader wet-plate workflow. The contemporary commercial-portrait niche, while small, is real — practitioners can make a living at it, particularly when paired with fine-art gallery editions.

Viewing, framing, and presentation

Tintype viewing is governed by three constraints: the substrate's specularity, the small format, and the period-vs-modern presentation conventions:

• Light source matters. A tintype viewed under direct overhead lighting shows maximum surface specularity (the substrate's gloss reflects toward the viewer, washing out the image). Viewed under diffuse overhead light or natural window light, the surface specularity softens and the image reads cleanly. Most practitioners and gallerists arrange viewing under indirect natural light or under a single low-color-temperature LED downlight oriented to graze the surface rather than reflect off it.
• Tilt-viewing is part of the experience. Holding a tintype and tilting it slowly back and forth — watching the image character shift between the bright direct view and the slightly ghosted off-axis view — is part of how the format communicates. Gallery presentations that fix a tintype behind UV-coated glass at a single angle remove this dimension, and many practitioners argue against glazing tintype editions for that reason.
• Period framing — the hinged case. Most 19th-century tintypes were sold to the customer in a hinged "Union case" or leatherette folder, with a velvet-lined facing pad and a glass-and-mat assembly protecting the image. Period-correct cases are still made by specialty suppliers (Wet Plate Supplies; period-restoration specialists in the US and UK), and many modern fine-art tintypes are still presented in hinged cases as a deliberate historical reference.
• Modern framing — the thin float-glass mount. The contemporary alternative is a simple float-glass-and-spacer mount in a thin black wooden frame, which lets the tintype object speak as a contemporary photograph rather than a historical artifact. Sally Mann's gallery presentations work this way, and most younger practitioners follow.

The "1/9 plate in the palm of the hand" intimacy is a defining tintype experience that no other photographic format quite captures. A small-format tintype is meant to be held, examined at close range, and turned in the hand — the way a daguerreotype or a miniature painting is meant to be held. This is part of why the format has retained its appeal across 170 years.

Workshops and practitioners (tintype-specialty)

The tintype-specialty practitioners and institutions overlap heavily with the broader wet-plate community. A few are particularly worth knowing for tintype:

• John Coffer's Camp Tintype (Dundee NY) — the canonical tintype workshop, in continuous operation since 1992. Three-day intensives with a maximum of four students per class on Coffer's farm. Coffer's self-published Doer's Guide to Wet-Plate Photography (currently 2025 edition) is the most extensive practitioner manual in the field, with dedicated tintype sections covering substrate prep, exposure for the small format, and field-darkbox tintype practice.
• Lisa Elmaleh + Penumbra Foundation Wet Plate in the Field (NYC-based, field workshops in upstate NY and elsewhere) — multi-day camping workshop teaching glass negatives, tintypes, and ambrotypes in field conditions. Elmaleh's teaching is particularly strong on the field-tintype workflow (small darkbox tent, portable silver bath, on-location plate handling).
• Scully & Osterman Studio (Mark Osterman + France Scully Osterman, Rochester NY) — established 1991. Their workshops cover the full wet-plate repertoire including tintype; the Ostermans' academic-museum scholarship makes their tintype teaching particularly historically grounded.
• Quinn Jacobson / Studio Q Photography (Las Cruces NM) — author of Chemical Pictures: The Complete Guide to Wet Plate Collodion Photography (2020 ed., ISBN 978-1-7018-5410-9), paired with a video workshop hosted on Vimeo. Substantial tintype content alongside ambrotypes and glass negatives.
• Sally Mann — What Remains (2003) and Deep South (2005) put 8×10 tintype practice into the contemporary fine-art conversation at gallery and museum scale; the resulting cultural visibility has fed students into the workshop ecosystem ever since.
• Borut Peterlin (Slovenia) — contemporary commercial-portrait wet-plate practitioner with substantial tintype output; YouTube tutorials reach a wide international audience.

This is not exhaustive — the tintype community has dozens of working practitioners worldwide. These are the institutions and individuals with the most-cited published material and the longest continuous teaching practice for tintype specifically.

Tools and supplies

A tintype practitioner's specific supply needs (above and beyond the general wet-plate tooling on the hub page):

• Pre-japanned tintype plates from Bostick & Sullivan, John Coffer's farm supply, or Photographers' Formulary. Standard sizes 1/9 through whole plate plus modern 4×5, 5×7, 8×10. ~$2–4 per 4×5 plate.
• Aluminum sheet as substitute substrate (anodized matte black from a metal supplier, or hardware-store aluminum sheet plus Krylon Ultra-Flat Black). The DIY substrate is the budget option for high-volume practice or for very large plate sizes that aren't available pre-japanned.
• Tintype plate holders. Modern view-camera sheet-film holders accept tintype plates directly in the matching sheet-film size (4×5, 5×7, 8×10). Some practitioners use a "tintype back" — a single-slot plate holder with a fixed dark slide — for faster carnival-style work. For period sizes (1/4, 1/6, 1/9), specialty plate holders or modified historic holders are used.
• Edge-finishing supplies — fine-grit sandpaper (220 then 400), clear nail polish for edge sealing.
• Period-correct presentation cases — Union cases, leatherette folders, glass-and-mat assemblies — from Wet Plate Supplies and period-restoration specialists. Optional but common for gallery and commission work.

For the chemistry and workflow

Tintype uses identical wet-collodion chemistry and workflow to ambrotype and the wet-plate glass negative. Collodion + halide salts → silver-nitrate sensitizing bath → expose-while-wet → develop-while-wet with iron-sulfate developer → fix (sodium thiosulfate or potassium cyanide) → wash → varnish with gum sandarac. Total wet-chemistry time roughly 8–10 minutes from pour to fix. All of the time-pressure framing, the spectral-sensitivity-and-subject-lighting consequences, the field-darkbox practicalities, and the chemistry-safety considerations apply to tintype identically to the other wet-plate output formats.

For the full chemistry and workflow treatment, see the Wet-Plate Collodion hub. This tintype page deliberately does not duplicate that material — the hub is the canonical reference for everything that wet-plate output formats share, and this page focuses only on what is unique to the tintype.

Cross-references to sister techniques

• Ambrotype — wet collodion on clear glass with separate black backing. Same chemistry, different substrate (glass + separate backing rather than integrated japanned iron). Luminous mid-tone aesthetic vs. tintype's solid silvery surface character. Fragile (single thin glass plate) vs. tintype's robust iron substrate.
• Wet-plate glass negative — wet collodion on clear glass for use as a negative in albumen, salt, POP, or platinum/palladium contact printing. Same chemistry, different intent (printable negative vs. direct positive).
• Wet-Plate Collodion — the hub, holding the chemistry, workflow, history, spectral, and time-pressure framing common to all three spokes.
• Silver-gelatin dry plate coating — the sibling alt-process medium (also a hand-coated emulsion-on-substrate practice with an active modern revival) that displaced wet-plate for serious studio work in the 1880s. The dry-plate-vs-wet-plate contrast is a useful framing for practitioners evaluating both alt-process families.

External Resources

• John Coffer's Camp Tintype (johncoffer.com) — Dundee NY, longest-running US tintype workshop (since 1992).
• Coffer, Doer's Guide to Wet-Plate Photography (self-published, currently 2025 ed.) — most extensive practitioner manual + DVD set; substantial tintype-specific content.
• Penumbra Foundation Wet Plate in the Field (penumbrafoundation.org/wet-plate-in-the-field) — multi-day field-tintype workshop taught by Lisa Elmaleh.
• Penumbra Foundation / CAP (penumbrafoundation.org) — NYC non-profit alt-process facility, ~100 workshops/year.
• Scully & Osterman Studio (collodion.org/scully-osterman) — Rochester NY, full wet-plate curriculum including tintype.
• Studio Q Photography (studioq.com) — Quinn Jacobson's gallery, blog, and book sales.
• Jacobson, Chemical Pictures: The Complete Guide to Wet Plate Collodion Photography (2020 ed., ISBN 978-1-7018-5410-9) — most comprehensive single-volume current wet-plate reference, with substantial tintype chapter.
• James, The Book of Alternative Photographic Processes (3rd ed., Cengage Learning 2015) — broad alt-process treatment with a wet-plate / tintype chapter for context within the wider alt-process world.
• Bostick & Sullivan (bostick-sullivan.com) — pre-japanned tintype plate supplier; collodion, silver nitrate, varnish, and the rest of the wet-plate chemistry catalogue.

References

: Christopher James, The Book of Alternative Photographic Processes, 3rd ed. (Cengage Learning, 2015) — broad alt-process treatment with a chapter on wet-plate collodion (covering tintype, ambrotype, and glass-negative) in the context of the wider alt-process world.

: John Coffer, Wet-Plate Collodion Photography in the Field Workshop Manual, or, The Doer's Guide to Wet-Plate Photography (self-published, currently 2025 ed.) — comprehensive practitioner manual covering chemistry, plate prep, exposure, development, and field workflow, with substantial tintype-specific content. Distributed via Camp Tintype workshop attendance and direct sale.

: Quinn Jacobson, Chemical Pictures: The Complete Guide to Wet Plate Collodion Photography, 2020 ed., ISBN 978-1-7018-5410-9 (self-published, available via studioq.com) — comprehensive single-volume reference covering ambrotypes, tintypes, glass negatives, and P.O.P. prints. Standard edition 2020 paired with Vimeo video workshop. Supersedes the 2013 first edition (CreateSpace, ISBN 978-1-4826-5994-8).