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Sigma 28mm f/2.8 + Helicoid Closeup Macro for Sony E-Mount - $50 (Springfield)
S National near Walnut Lawn
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The Sigma Mini-Wide is a 28mm f/2.8 Macro Lens with 0.22meters close focus and a macro scale on the lens barrel.
As you focus closer, the Macro scale starts at 1:9 and increases to 1:4.5. The lens covers full sized sensors.
The Sigma Mini-Wide is a revered, and much sought after, piece of vintage glass from the film era of photography. This example is in Excellent Condition with a high IQ (Image Quality). It is an outstanding 28mm fast prime and versatile all-around lens suited for multiple applications: Landscape, Full Length Portrait, Architectural, Interiors, Street Photography, etc...
The lens is M42 screw mount. I added a helicoid adapter to go from M42 to Sony E-Mount. By rotating a ring on the adapter, you can lengthen the distance from the focal plane - it's like a built in, automatic deployment macro tube of expandable length. The longer the macro tube, the closer your minimum focus becomes. I've found this setup works on Sony E-Mount to allow the lens to focus up to contact with the subject. The minimum focus distance with this setup is effectively Zero (0)!!!
I used this combo exclusively for close-up macro (see attached photo samples). I believe the results are way above the cost of this lens and adapter and WAY better than how it adds up on paper. This combo always yields FANTASTIC close-up images. Note how smooth and creamy out of focus areas become with a shallow depth of field, also the pleasing bokeh.
Comes with lens, helicoid adapter, front and rear lens caps, Sigma's felt lined "perfect" hood (removable), a Sony E-Mount body cap, and a padded storage/travel case.
Design: 7‑element, 6‑group retrofocus optics with rare‑earth glass and multi‑layer coating
Macro capability: 1:4.5
Focal length: 28 mm (35 mm equivalent on APS‑C: ~42.8 mm)
Maximum aperture: f/2.8
Minimum aperture: f/22
Aperture blades: 6
Close focusing distance: ~0.22 m (about 5 in)
Focus throw: ~180°
Filter thread: 52 mm
Weight: ~205 g (about 7.2 oz)