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50mm lens with messy/swirling bokeh


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<p>The Summitar is said to be swirly. I just bought one but had to send it back because of severe focus shift on digital Ms. OTOH, everything depends on your backgrounds. Foliage, like in your example given, can exaggerate a given lens' OOF characteristics; while it might appear "neutral" with a cityscape background.</p>
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Jupiter-8, modified for Leica mount and 0.65m close-focus.<p>

 

<img src="https://farm4.staticflickr.com/3746/18882443299_2d6f743323_b.jpg"> <p>

 

Not swirly, but does have coma.<p>

 

<img src="https://farm1.staticflickr.com/518/17920415424_c9caaa18a5_b.jpg"><p>

 

This is with the Industar 61L/D, a Good Tessar formula lens, adjusted for Leica, "about $45".<p>

 

<img src="https://farm1.staticflickr.com/664/21578074854_ca0600292f_b.jpg"> <p>

 

<img src="https://farm6.staticflickr.com/5824/22012779800_d4d8622a32_o.jpg" > <p>

 

<p>

 

This is with a Minolta 5cm F2 in Leica mount, a hard-coated, rigid mount, Summitar formula lens<p>

<img src="https://farm3.staticflickr.com/2935/14521848464_24c0a45037_b.jpg"> <p>

 

About $250<p>

 

"Swirly Bokeh" - usually found in double-Gauss type lenses with low field-curvature.<p>

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<p>It's cheating I know, but the industar 44, 58mm f2 LTM lens mounted on a Zenit 3M SLR, a Leica II based SLR which used LTM, gave me exactly what you describe at f2, and more exaggerated than in the link. Fortunately that was also the common standard on all other Zenits, with Pentax screw mount, and possibly the cheapest usable camera around.</p>
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