PARENTE, L’ARDOTYPIE & NIC. MOLITOR
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De Perlé à Martelange, la nature se dévoile.

An exhibition of slate photographs by Alessandro Parente, created in september 2025, both locally and beyond the region, will be on display from 5 June to 21 June 2026.
The opening reception will take place on 4 June 2026.
The exhibition is hosted in the former sawmill building on the site of the Slate Museum and is accessible free of charge during opening hours.

Alessandro Parente is an Italian photographic artist whose work deliberately follows paths beyond the mainstream. His photography serves minorities, forgotten landscapes, people in need, and unconventional processes, with the aim of revealing the essence of his subjects through historical techniques that are more refined, precise, and sincere.
In 2022, he further developed the collodion process to produce photographs on slate rather than glass.
Photographer Alessandro Parente will be present at the Slate Museum throughout June 2026.
On Wednesday, 17 June, photographs will be taken on site in Haut-Martelange using the historic technique employed by Nic. Molitor. Molitor (1882–1952), a passionate photographer, worked with dry silver bromide plates. In 2024, his family donated an impressive collection of 1,900 glass plate negatives and 1,750 paper prints to the Slate Museum.
During the presentation, Parente will explain how to produce a glass negative using a camera similar to that used by Nic. Molitor, and demonstrate how it is developed into a positive image.
Visitors may register for a one-hour presentation, during which Alessandro Parente will explain this historic photographic technique and produce a glass plate negative before the audience.

Workshops
A series of workshops will complement the artist residency.




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