Vintage Celestron 750mm f/6 Schmidt-Cassegrain Telephoto Lens with Carrying Case & Accessories – Made in USA

Offered is a vintage Celestron 750mm f/6 Schmidt-Cassegrain telephoto mirror lens, an American-made precision optical instrument dating to approximately the late 1970s or early 1980s.

Designed for long-distance photography and adaptable for visual observation with compatible accessories, this compact catadioptric optical system features a 750mm fixed focal length, f/6 aperture and approximately 125mm (5-inch) mirror diameter.

The distinctive black textured cylindrical housing features the original Celestron branding, Schmidt-Cassegrain identification, Special Coatings label and Made in USA markings. The housing also displays United States patent numbers 3837124, 3837125 and 3889431.

Included:

• Celestron 750mm f/6 Schmidt-Cassegrain telephoto optical tube

• Fitted hard-sided carrying case with padded interior

• Yellow protective cap

• Boxed Celestron 25mm eyepiece

• Additional optical extension tube and adapter components

• Threaded accessory rings

• Black protective fabric

Specifications:

• Manufacturer: Celestron

• Optical design: Schmidt-Cassegrain

• Focal length: 750mm

• Maximum aperture: f/6, fixed

• Mirror diameter: Approximately 125mm (5 inches)

• Country of manufacture: United States

• Estimated production period: 1970s–early 1980s

• Carrying case: Approximately 12" × 9" × 7"

• Combined weight with case and accessories: 6 lb 3 oz

Condition:

Good to very good vintage cosmetic condition, showing minor surface wear, handling marks and age-related wear consistent with previous use. The original branding and identification labels remain legible. The fitted carrying case shows normal vintage wear.

Optical clarity, focusing accuracy and photographic performance have not been professionally tested. No guarantees are made regarding optical performance or compatibility with modern camera systems. Please examine all photographs for the exact condition and accessories included.

An appealing example of vintage American optical engineering for collectors, astronomy enthusiasts, and photographers interested in classic Celestron equipment. 7655