XR Rikenon 28mm f3.5 Aspherical

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Recently acquired this lens from a 2nd hand local lens importer from Japan. I believe it was sold only in Japan but a local photographer whom I acquired the XR Rikenon 45mm f2.8 told me he saw one in one of the local camera stores in Makati back in the late 90″s. The two lenses were both released at the same time and only had a year of production run (1996-97) which make them both quite rare. The lens weights just 55 grams and is made out of good plastic and has metal mount and accepts 52mm filters.

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Here are sample shots taken w/ a Pentax K-5ii:

Wide-open SOOC.

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100% crop of the above:

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f5.6

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Like other old lenses, it also suffer purple fringes as shown.

Bokeh

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Taken by a GXR w/ A12 M mount + K-mount lens adapter.

 

 

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Pentax K 28mm f2.0 vs Sigma 30mm f1.4

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Been wanting to test this favorite two lenses of mine for a while. Here’s a quick comparison of the two on their close focus capability. I only tested it on f2 and f5.6. As can be seen below, on f2 aperture, the Sigma wins since the Pentax Hollywood is used fully wide open. But on f5.6, Pentax wins big upon 100% view.

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On a 100% view, its more obvious to see the character of each lens.

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100_56 Added a photo taken from Sigma at 1/60 as the 1/40 is a bit of back focus.

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Pentax HD DA21mm f3.2

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Got a chance to visit NYC  and drop by at B&H. Awesome place! Can’t resist buying my first limited. Needed a small wide lens that is flexible.

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K5ii

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Got my self a K5ii last Black Friday. I’m liking it and miles away compared to my Kx.

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Topcon 135mm f3.5

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Pentax K 28mm f2.0

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Rare find but was previously had fungus.

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Cosina 55mm f1.2

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Finally got the bokeh making monster from ebay. What do you think? IMGP1730

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