Conditional name "Refractor Telescope 19V".
Photo description / processing
Achromatic refractor telescope. Mid-19th century.
Some parameters of the telescope itself.
Aperture - 57mm. Focal length - 800mm.
Tube made of brass with bronze. Achromatic objective lens made from various types of glass. Handcrafted.









Comments
Reply
Sign up or sign in to leave a comment.
Sign up or sign in to leave a comment.