The Pentacon 30mm f/3.5, a compact, preset-aperture wide-angle M42 mount prime originally produced in East Germany, is a later version of the initial Meyer-Optik Görlitz Lydith 30mm f/3.5, whose institution, Meyer-Optik Görlitz, was integrated into the state-owned VEB Pentacon in East Germany in 1968. The transition saw Meyer-Optik glass initially produced under the Pentacon name, often with minor changes including multi-coating, while the Meyer-Optik brand itself disappeared from lenses after 1971.
The Pentacon 30mm f/3.5, just like the earlier Meyer-Optik Görlitz Lydith, is notable for its simple 5-element in 5 groups retrofocus design with non-cemented elements. The lens has a 10-blade click-less pre-set diaphragm, a minimum focusing distance of 0.33 meters, measures approximately 45mm in length, accepts 49mm filters, and weighs around 145 grams.
The lens is also known to have been through a couple of production iterations, with the imperial distance scale of the final version(?), as shown here, colored green. On PentaxForums, on the combined Pentacon / Meyer Optik Lydith 30mm F3.5 review page, the lens enjoyed a rating for Sharpness (8.3), Aberrations (8.6), Bokeh (8.3), Handling (8.4), and Value (9.3).
Although the lens is not described as 'tack-sharp,' stopping it down to between f/5.6 and f/11 will help produce a clearer image of its capabilities. With its single-layer coating, images tend to have low natural contrast, giving a nostalgic vintage look that is proverbial to some enthusiasts.
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On the Canon EOS Kiss X3, with its 1.6x crop APS-C sensor, the Pentacon 30mm f/3.5 is equivalent to a 48mm prime lens on a full-frame camera, the preferred focal length for street photography, portraits, and general-purpose shooting. The focal length offers a field of view similar to what the human eye sees, with images that appear natural and undistorted. With a minimum aperture of f/3.5, however, the lens might not be well-suited for compositions with a shallow depth of field or for shooting in low-light situations.
For the vintage enthusiast, the EOS Kiss X3 (EOS Rebel T1i / EOS 500D) is Canon's third digital single-lens reflex camera, a mid-range entry-level digital SLR camera with a CMOS APS-C sensor, launched in 2009. The X3, besides sharing a few features with the high-end Canon EOS 5D Mark II (Movie Mode, Live Preview, and the fast Digic 4 image processor), is also capable of full 1080p video recording (at 20fps), and comes with a new 3.0-inch high-resolution LCD.
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