极其罕见的，由美国早期的镜头制造商 Holmes, Booth & Haydens 生产的达盖尔摄影术镜头（Petzvel 式）。Holmes, Booth & Haydens 在当时也生产达盖尔摄影术相机，魔幻彩灯的燃烧炉，甚至还有一些日常用品如餐具，灯等。此只镜头的焦距约为20cm（约8英寸），前组镜片口径约为6cm，镜头长14cm，镜头后接口直径约为10cm。镜头序列号为2549。典型的美式镜头装置设计。
制造商 Holmes, Booth & Haydens 在美国当时属于是黄铜和钢制品加工行业的先锋企业。
Early American Daguerreotype Lens by Holmes, Booth & Haydens, c.
New York. No. 2549, Petzval-type, with typical rack-and-pinion focusing, focal length of approx. 8 in. (20 cm), diameter of front element approx. 2 3/8 in. (6 cm), flange 3 7/8 in. (10 cm) and height 5 ½ in. (14 cm.) – The firm of Holmes, Booth & Haydens was one of the leading pioneers in the field of brass and copper work. In addition to photographic items such as Daguerreotypes and illuminants for magic lanterns, the firm also produced objects for domestic life, including cutlery and an assortment of lamps. – A very rare lens by an early American manufacturer – an important document in the development of photography.