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SUN YS-24 24mm F2.8 Review RSS Feed

SUN YS-24 24mm F2.8

Sharpness 
 9.0
Aberrations 
 9.0
Bokeh 
 9.0
Handling 
 7.0
Value 
 10.0
Reviews Views Date of last review
1 12,133 Sun February 24, 2013
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Recommended By Average Price Average User Rating
100% of reviewers $10.00 8.00
SUN YS-24 24mm F2.8
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Description:
This lens takes a 62mm filter, and has a YS interchangeable mount. The mount in the picture is the YS-PE mount. The YS mount is interchangeable with a T2, as long as you don't mind that the button that closes the diaphragm when the lens is used on a real M42 camera will no longer be functional. The lens has an M-A ring, so it is eminently practical on a DSLR.

The direction of focus is the same as a Pentax. The minimum focus is less than 0.2 m according to the markings on the barrel. It takes more than 3/4 of a turn to go from minimum focus to infinity. The filter does not rotate as it focuses.

Aperture ranges from 2.8 to 22 in full stops.

The diaphragm has six straightish blades.

The maximum diameter of the barrel (the rubber grip on the focus ring) is 68 mm.

The height of the lens, including the T2-K mount and excluding the lens cap, is 64 mm.

The lens, including the T2-K mount, weighs 300 gm.

Compared with the Vivitar TX 24 mm f2.8 lens, it is not quite as wide, and not quite as bright wide open.
Mount Type: Third-party (adapter required)



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New Member

Registered: February, 2012
Posts: 17
Review Date: February 24, 2013 Recommended | Price: $10.00 | Rating: 8 

 
Pros: Very good close up. Sharp wide open, nice bokeh, good for flowers
Cons: Landscapes look a bit life-less. Not quite as wide or as fast as the specs would have you believe
Sharpness: 9    Aberrations: 9    Bokeh: 9    Handling: 7    Value: 10   

I bought this during my quest to equip myself with faster glass than the 18-55 mm kit lens on my Samsung GX-20 without shelling out $375 on the Tamron 17-50mm SP AF 2.8 XR DI II LD AF, and this is undoubtedly one of my successes. It is truly outstanding wide open close up, and although I eventually succumbed and bought the Tamron, I still use this for taking pictures of flowers close up. It focuses to less than 8 inches from the film plane, and the background gets wiped. The background with the Tamron just looks out of focus; this whips it to cream.

I've never noticed any chromatic aberration.

However, I make more use of the Vivitar TX 24mm f2.8 mark 2. Although the lenses are nominally the same focal length and maximum aperture, the Vivitar is wider and brighter. Wide open, and focused to infinity, the Vivitar is sharper, but close up this is as good, and it focuses closer.

Using it to take available light pictures of a jazz band in a cellar, I found another problem. It is easy enough to distinguish the M-A ring, the aperture ring and the knurling on the body when you can see them, but in the gloom of the cellar bar I found it difficult to distinguish them by touch.

I wonder if this lens is in essence the same as the Spiratone 24 mm f2.8 YS mount also reviewed in this category. The minimum focus is similar, the filter is the same, they both take the YS mount and the close behaviour of the Spiratone is remarked in the review.
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