Old Master Painting Copy: How Faithful Can It Be?
Phi-Artiste-Peintre, after Edward Hopper's Nighthawks (1942), oil on canvas, 42 × 76.2 cm.
The accuracy of a copy of an Old Master painting cannot be reduced to its resemblance to the original. It involves several dimensions of painting: composition, proportions, drawing, the distribution of light and shadow, colour relationships, as well as painterly handling and the overall visual impression.
Each of these aspects presents its own challenges. A copy may faithfully reproduce the forms and outlines of a composition while failing to capture the subtlety of its transitions of light, the transparency of its glazes, or the variations in paint texture that characterise the original work.
How far, then, can fidelity be taken? The question concerns not only the painter's skills, but also the visual documentation available, the techniques employed, the time devoted to the work, and ultimately the very nature of the fidelity being sought.
Visual Fidelity: Far More Than Accurate Drawing
The primary requirement of a painted copy is generally its fidelity to the appearance of the original. This involves close attention to proportions, compositional lines, relationships between forms, as well as tonal values and colours.
Yet precision in individual details does not, in itself, guarantee fidelity to the whole. A difference in the intensity of a shadow, the temperature of a colour, or the handling of a transition between light and shade can significantly alter the balance of a composition.
It is therefore essential to distinguish local accuracy from overall coherence: a highly detailed copy is not necessarily the most faithful.
Fidelity also involves properties that belong neither strictly to drawing nor to colour. The gloss or mattness of a painted surface, the relief left by brushstrokes, areas of impasto, and variations in texture all contribute to how a painting is perceived. These characteristics influence the way light is reflected by the paint surface and may considerably alter its appearance under different viewing conditions.[1]
Dimensions also play a role. A copy produced at a different scale from the original changes the perception of details and the relationships between the various elements of the composition. A brushstroke that remains discreet in a large painting may become particularly prominent when the image is enlarged or examined at close range.
High-Resolution Photographs: Possibilities and Limitations
Today, copies of Old Master paintings are predominantly produced from high-resolution photographs, particularly those made available by major museums. These digital images offer remarkable opportunities for close observation: they allow painters to examine details that may be difficult to perceive in front of the original, to study individual brushstrokes, colour transitions, and certain effects of texture.
Developments in digital photography have considerably improved the accuracy of such reproductions. As early as the 1990s, research conducted at the National Gallery in London, notably through the VASARI project, contributed to advances in digital imaging and the colourimetric measurement of paintings.[2]
However, working from high-resolution images also presents particular difficulties.
By concentrating too closely on every detail, the copyist may begin to give excessive importance to certain parts of the composition, particularly faces, hands, or passages that have been painted with exceptional precision.
This typically leads to a form of overemphasis on detail: what appears essential in a greatly enlarged image may have a much less prominent role in the overall balance of the painting. A face examined on a screen from twenty centimetres away does not have the same visual presence when the entire painting is viewed from several metres away in a museum. The danger is to multiply details, heighten contrasts, or overwork passages that should remain relatively discreet within the composition. (See The Stages of Copying Edward Hopper's Nighthawks.)
The copyist's work therefore involves constantly shifting between different viewing distances. The digital image is enlarged to examine a particular passage, then reduced to recover the relationships between forms, tonal values, and colours. At the same time, the painted copy itself must be examined both up close and from a distance, to ensure that the details remain integrated into the composition as a whole.
This continual process of enlargement, reduction, and visual distancing is an integral part of the painting process. It helps prevent excessive attention to isolated details from undermining the overall coherence of the work.
Another difficulty concerns colour reproduction. However accurate they may be, photographs supplied by museums cannot fully reproduce the visual experience of the original painting. Despite colour calibration procedures, which notably rely on standardised colour references, differences may remain between a photograph and the painting observed in situ.
Colour perception depends on several factors: lighting conditions, the physical properties of the painted surface, the visual environment, and, in the case of digital images, the characteristics and settings of the screen on which they are viewed.[3]
These difficulties are compounded by the countless reproductions circulating online, which may display considerable colour variations. The same painting may therefore appear quite different from one photograph to another, particularly in its tonalities, contrasts, and colour saturation.
The copyist's task is consequently not simply to reproduce the colours of a photograph, but to understand the colour relationships that structure the painting and contribute to its visual unity.
Copying an Old Master Painting: Photography or Direct Observation? Two Approaches, Different Costs
Producing a painted copy from high-resolution photographs is a particularly widespread working method. It is also the approach I most frequently use in my studio. (Discover my copies of Old Master paintings.)
It makes it possible to achieve a high degree of visual fidelity while keeping prices relatively affordable. The cost depends primarily on the dimensions, the complexity of the composition, and the time required to complete the work. Achieving a high level of accuracy remains demanding, but does not necessarily involve the additional expenses associated with studying the original directly.
There is, however, another approach, based on careful observation of the original painting in situ.
The copyist can then study colour relationships, transparency effects, the relief of the paint surface, and the variations created by light falling on the painting. Direct observation also provides a more accurate understanding of the scale of the composition and of how it reveals itself to the viewer when approached from different distances.
This method can overcome some of the limitations inherent in photography, although it does not eliminate every difficulty of perception. It requires access to the original painting, suitable viewing conditions, and sometimes several successive visits.
Such a project therefore involves additional resources: travel, possible accommodation, time devoted to studying the original, and potentially several observation sessions. When the copy is painted directly inside a museum, specific permissions and restrictions concerning dimensions, materials, or working conditions may also apply.[4]
An exceptionally high degree of fidelity is therefore achievable, but such precision comes at a cost: the time, study, and resources invested in the work.
My research into Italian painters who settled in southwestern France during the nineteenth century brought me face to face with a particularly revealing situation. These artists, who worked in churches producing religious decorative schemes, were frequently dismissed in the art-historical literature as mere "daubers".[5] Admittedly, some of their works, often executed collectively, were rather roughly finished or even left incomplete. Yet the study of their careers reveals a very different reality: several had received a solid artistic education at academies in Italy and France, possessed a thorough command of drawing or painting techniques, and produced elaborate preparatory studies. Their actual skills were therefore far removed from the mediocrity so often attributed to them by art historians.
Their working conditions, however, were difficult. In the villages where they carried out their commissions, the payments promised by the priests who commissioned their work were often insufficient or seriously delayed. This was a chronic problem, and a tragedy in itself: these painters spent a considerable amount of time pursuing payments for work already completed, a situation that had serious consequences for their lives. With hindsight, it becomes easier to understand why some of the projects they undertook in parish churches were never brought to a particularly high level of finish.
Not everything comes down to money, but time and the care that can be devoted to a work are crucial. This history reminds us that a painter's abilities should not be judged solely by the appearance of the works they produce. There can be a considerable difference between what an artist is capable of achieving and what the conditions of a commission actually allow them to accomplish.
A copy priced at €1,500 and another at €6,000 do not necessarily represent the same type of project. (See How to Commission a Copy of an Old Master Painting.) Beyond the dimensions and complexity of the painting, the working methods, viewing conditions, and degree of accuracy sought may differ considerably. These amounts illustrate the possible difference between two commissions rather than fixed pricing categories.
The distinction is therefore not between a poor copy and a good one, but between different approaches, different working conditions, and the particular requirements of each commission.
Technical Fidelity: Copying or Reconstructing?
The question becomes more complex when painting techniques are considered. Old Masters worked on a variety of supports, using preparatory layers, pigments, binders, and methods of superimposing paint that evolved across periods, artistic traditions, and workshops.
Reproducing the appearance of a painting does not necessarily mean reproducing the techniques by which it was created. (See Copying, Pictorial Reconstruction, Reconstitution and Re-creation.)
A copy may achieve a high degree of visual fidelity using contemporary materials and methods different from those employed by the original artist. Conversely, a technical reconstruction may seek to recover the materials, preparations, and successive stages of the artist's working process without aiming exclusively to reproduce the painting's present appearance.
Research undertaken at the Hamilton Kerr Institute in Cambridge illustrates this distinction particularly well. As part of the training of painting conservators, reconstructions of historical paintings provide opportunities to investigate traditional techniques through practical experimentation. We have explored this question in detail in another blog post. The reconstruction of a floral still life by Jan van Os, undertaken under the direction of Spike Bucklow, was intended to explore the artist's working methods rather than simply reproduce the finished appearance of his painting.[6]
Another difficulty arises from the ageing of painting materials.
Old Master paintings do not necessarily appear to us today as they did when they were first created. Some pigments have undergone colour changes, binders may have altered in transparency, varnishes may have yellowed, and successive restorations may have modified certain aspects of the painted surface.[7]
This raises a fundamental question: to which state of the painting should the copyist remain faithful?
To its present appearance, as preserved in a museum? Or to an earlier state, which a detailed knowledge of materials and techniques might make it possible to reconstruct, at least to some extent?
Both objectives may be legitimate, but they involve different approaches. Fidelity to a painting's present condition should not be confused with an attempt to recover its original appearance.
Can Absolute Fidelity Be Achieved?
The assessment of fidelity ultimately depends on the conditions in which the copyist works. Access to the original painting, the quality of photographic documentation, the dimensions of the work, the time available, and knowledge of historical painting techniques are all determining factors.
Contemporary research into the perception of facsimiles also highlights the importance of distinguishing visual resemblance, material properties, and questions of authenticity. The work of Liselore N. M. Tissen and Mané van Veldhuizen, devoted in particular to digital and three-dimensional facsimiles in museums, examines several aspects of their perception and reception.[8] Although their research does not directly address the practice of hand-painted oil copies, it provides a broader perspective on what it means to reproduce an artwork faithfully.
A copy may come remarkably close to its model without becoming an identical pictorial object. It possesses its own material substance and history, and results from decisions made by another painter.
It would therefore be illusory to claim that such fidelity could be measured.
How could the relative importance of drawing, colour, texture, and overall visual impression be assessed objectively?
Rather than pursuing absolute accuracy, copying becomes a search for pictorial rightness, an attempt to recover what is commonly called the "spirit" of the original work.
Absolute fidelity thus appears more as an ideal to pursue than as a genuinely measurable result. It depends on finding a balance between the accuracy of forms, the relationships between colours, an understanding of painting techniques, and the overall visual effect.
Conclusion
Copying an Old Master painting is not a matter of mechanically reproducing an image. It is a process of observation, analysis, and interpretation, in which every detail must find its proper place within the composition.
The degree of accuracy sought depends on the resources invested, but also on the copyist's choices and the expectations of the person commissioning the painting. It requires a clear understanding of what one wishes to recover from the original: its overall appearance, the refinement of its details, the effects of its materials, or certain techniques employed by the artist.
Fidelity cannot therefore be reduced either to an accumulation of details or to the meticulous reproduction of every brushstroke. It develops through a continual movement between close observation and the perception of the whole, between an understanding of technique and an appreciation of its visual effects.
The success of a painted copy ultimately lies in an achievement that is far more difficult to define than to measure: recovering, beyond mere resemblance, the pictorial coherence and expressive power of the original work.
Notes and References
Originally published in July 2024; extensively revised and expanded in October 2026.
[1] Liselore N. M. Tissen et al., "Using 3D Scanning to Support Conservation Treatments for Paintings", IOP Conference Series: Materials Science and Engineering, vol. 949, 2020, article 012006. DOI: 10.1088/1757-899X/949/1/012006. This study examines, among other aspects, the recording of colour, gloss, and paint surface topography.
[2] David Saunders and John Cupitt, "Image Processing at the National Gallery: The VASARI Project", National Gallery Technical Bulletin, vol. 14, 1993, pp. 72–85. Read the article. See also David Saunders, John Cupitt, Colin White and Sarah Holt, "The MARC II Camera and the Scanning Initiative at the National Gallery", National Gallery Technical Bulletin, vol. 23, 2002, pp. 76–82. Read the article.
[3] David Saunders, "Fluorescent Lamps: A Practical Assessment", National Gallery Technical Bulletin, vol. 11, 1987, pp. 86–91. Read the article. This experimental study addresses, among other questions, the influence of lighting conditions on colour discrimination and the perception of detail.
[4] Musée d'Orsay, "Copier, filmer, photographier", regulations and procedures applicable to copyists. Museum information. Access requirements and permissions vary between institutions and may change over time.
[5] Sophie Duhem, « À l'ombre des rinceaux : putti, rubans et candélabres. La fortune des grotesques d'Albi dans quelques églises du Tarn », in Sainte-Cécile d'Albi et le décor peint à la première Renaissance, proceedings of the Albi conference edited by Jean-Louis Biget, Éditions Midi-Pyrénéennes, 2015; Sophie Duhem, L'art de Jacques Bosia (1788-1842). « Barbouilleur » italien dans le Midi, Toulouse, Presses universitaires du Midi, "Tempus Artis" series, 2016–2017, 126 pp.; Sophie Duhem, « Métiers d'art itinérants : artisans en migration (France et espace alpin, XVIIe-XIXe siècle). Introduction », in Diasporas. Circulations, migrations, histoire, no. 32, 2018, pp. 9–29.
[6] Spike Bucklow, "Reconstruction of a Dutch Flower Painting: The Reconstruction of Jan van Os' Still Life", Hamilton Kerr Institute, University of Cambridge, Fitzwilliam Museum. Project documentation. This experimental reconstruction explicitly distinguishes the study of historical painting processes from the reproduction of a painting's finished appearance.
[7] Barbara H. Berrie, "Pigment Alteration and Color Change", Facture, vol. 7, National Gallery of Art, Washington, published online 22 December 2025. DOI: 10.66322/kyoa2476. The article examines changes in painting materials, their visual consequences, and their implications for conservation.
[8] Liselore N. M. Tissen and Mané van Veldhuizen, "Picture-Perfect – The Perception and Applicability of Facsimiles in Museums", Art & Perception, vol. 11, no. 1, 2023, pp. 1–53 (first published online in December 2022). DOI: 10.1163/22134913-bja10043. The study combines a literature review with an investigation into the perception and museum applications of different types of facsimiles, primarily digital and three-dimensional.
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