Here's a short video showing the SIRUI Aurora 85mm f1.4 transitioning from stopped down (f5.6) to wide open. f1.4 is useful to smooth out the nasties in the background!!

I've just posted a review of this lens on YouTube. It's here if you're interested: youtu.be/j8SFzHTxiT8

Tags:   Sirui Aurora 85mm f1.4

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Having fun with unidentified flares from an Industar 26MM 52mm f2.8.

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A 17 second video with a Cosina Cosinon 55mm f1.4.

Tags:   Cosina Cosinon 55mm f1.4

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A new M42 mount lens with a triplet optical design, designed primarily (but not exclusively) for bubble bokeh.

TTArtisan asked me to test this intriguing lens a few months ago. It was launched to the public this week. Here I'm slowly focusing into the distance, wide-open (and I've also slowed down the video).

The lens's triplet design (3 elements in 3 groups) is similar to the much sought after and increasingly costly-to-buy Meyer-Optik Gorlitz Trioplan 100mm f2.8, know for its soap bubble bokeh.

You can see my review of the lens here:

www.youtube.com/watch?v=FL5JMgKe2Fw

And an affiliate link to the lens itself here:

ttartisan.myshopify.com/products/m42?ref=jbc74t3x

Tags:   Bubble bokeh Soap bubble bokeh TTArtisan TTArtisan 100mm f2.8

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There are three main versions of the cute little Zeiss Ikon Baby-Box camera (1930-1934).

A basic camera with a Göerz Frontar lens and a single speed instantaneous shutter. The simplest form has no metal plate on the front.

Secondly, there's the version with an Art Deco style hexagon shaped metal plate with a Göerz Frontar lens, but no other controls on the front.

Then, from 1930, there is the version (much less common), with a better Novar f6.3 triplet lens, an iris diaphragm and Derval shutter.

Tags:   Takumar 100mm f2 Zeiss Ikon Baby-Box camera Baby-Box Tengor camera

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