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About Mamiya

The 140mm f/4.5 Macro features outstanding resolution at all distances and apertures, and adjustable flat field correction. The built-in floating element system allows correction of edge sharpness for copy work down to 1:1 life size with optional extension tubes.

The lens will focus from infinity to 1/3 life size magnification with the RZ camera's built-in bellows.

Applications include copywork, macro and close-up photography of all objects from product photography to flowers. Fashion and beauty photographers find the 140mm f/4.5 Macro particularly useful for a variety of subjects, close-ups and normal shots. An extremely versatile lens, the 140mm f/4.5 Macro can also operate as an excellent normal focal length lens focusing to infinity for portraits, landscapes and general purpose photography.

Mamiya Specifications

4 Groups/ 6 Elements
Angle of view
F stop range
Closest Focusing Distance
2' 5.9" / 0.76m
Maximum Magnification
Filter Size
Dimensions (Length x Diameter)
3.8 x 3.8" / 97 x 97.2mm
2 lbs. 1 oz. / 930 g.
Diaphragm Automatic
Shutter: Seiko #1 electronic leaf shutter, 8 seconds to 1/400th and B. Shutter speed settings in 1/2 stops.
Mfr #
US 548897

Reviews about this item

Reviewed by 2 customers


The sharpest lens ever


from Colorado Springs, CO  -  Pro Photographer

The single sharpest lens I have ever owned. I have sold most of my medium format gear (including all my Mamiya 7II lenses, which were also astonishingly sharp), but I kept this one for photographing my finished paintings. (I make my living as a painter and photographer.) Seen with a 12x loupe, the corners of the transparencies from this lens are like looking at the real-life object I photographed...absolutely razor-sharp at any shooting distance. The color of the lens is also marvelous, and as an artist, that is critical to my use. You won't find a better macro lens.


Fantastic Quality


from Fort Collins, CO  -  Pro Photographer

This lens is beyond belief in sharpness and contrast. There's not much to say beyond this. Superb optics and easy-to-handle build (for the RZ line) make it easy to work with. The only challenge in working with this lens is finding comprehensive documentation on what LA setting (towards bottom of lens barrel) to use. After some experimentation and a little common sense it becomes second nature. Use in conjunction with either of the extension tubes (available separately) provides an ultimate Macro setup capable of gigantic enlargements through extended reproduction ratios and the already large native 6x7 format. You'll love this lens.

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