This is a 14OAP-1-25.4-90-AL 25.4 mm Dia. Aluminum 90° Off-Axis Parabolic Mirror, a high-quality optical component sourced from Standa. The mirror is designed with a base shape of a circle, featuring a diameter of 25.4 mm and a protected aluminum coating on the front surface.
The mirror's geometry includes a clear aperture (pfl) of 25.4 mm and an effective focal length (EFL) of 50.8 mm. The off-axis angle (alpha) is 1.5707963267948966 radians, or approximately 90 degrees, which is a key feature of this mirror.
The mirror is made from n-bk7 Schott glass, a popular material in optical systems due to its excellent optical properties. The mirror is designed to operate at a wavelength of 588 nm.
This mirror is available from Standa's Off-Axis Mirrors category, and the link to the product page is provided for your convenience. The link indicates that the mirror is in stock, ensuring quick delivery for your optical system needs.