The Prinzflex Auto Reflex 135mm f/3.5 is a vintage manual focus telephoto prime lens designed for cameras utilizing the M42 screw mount. Featuring a fixed 135mm focal length and an f/3.5 maximum aperture, this lens is well-suited for portrait photography, outdoor subjects, and general telephoto applications. Its traditional optical design and mechanical controls make it an appealing option for photographers interested in vintage lenses and classic film photography.
The 135mm focal length provides a narrow field of view that allows photographers to isolate subjects from their surroundings while maintaining a comfortable working distance. This makes the lens particularly useful for portraits, candid photography, and photographing subjects that are farther away. Its telephoto perspective also provides natural background compression, helping create separation between the subject and background.
With a maximum aperture of f/3.5, the lens offers control over depth of field and allows photographers to produce softly blurred backgrounds when photographing subjects at closer distances. The adjustable aperture also provides flexibility when balancing exposure and depth of field in different lighting conditions.
The Prinzflex Auto Reflex 135mm f/3.5 features a manual focusing mechanism, allowing photographers to make precise adjustments when composing photographs. Its traditional focusing ring provides direct control over focus placement, making it suitable for photographers who prefer a hands-on shooting experience. The lens also incorporates an automatic diaphragm mechanism intended for use with compatible M42 camera bodies.
Designed around the M42 screw mount, this lens is compatible with various vintage 35mm film SLR cameras that support the M42 mounting system. It can also be adapted for use with many modern mirrorless camera systems using an appropriate M42 lens adapter. When adapted, focusing and aperture operation are generally performed manually, with specific functionality depending on the camera and adapter combination.
The lens features a classic optical design intended to deliver natural color reproduction and traditional telephoto rendering. Its fixed focal length encourages careful composition, while the longer perspective makes it particularly useful for portraiture and detail-oriented photography.
Constructed with the mechanical design characteristic of vintage photographic equipment, the Prinzflex Auto Reflex 135mm f/3.5 offers a traditional shooting experience. Its straightforward controls and compact telephoto design make it an interesting addition to a collection of manual focus lenses.
Combining a 135mm focal length, f/3.5 maximum aperture, and M42 screw mount, the Prinzflex Auto Reflex 135mm f/3.5 provides photographers with a classic telephoto lens option for exploring vintage optics and manual focus photography.
– Included Accessories:
Includes rear lens cap only.
– Condition Note:
The lens contains a significant amount of internal dust, along with visible fungal growth beginning to develop around the outer edges of an optical element. These conditions may affect image quality, including contrast and clarity, and professional cleaning or servicing may be necessary.

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