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Cosina  MC MACRO 28mm F2.8 Review RSS Feed

Cosina MC MACRO 28mm F2.8

Sharpness 
 10.0
Aberrations 
 8.5
Bokeh 
 9.0
Handling 
 8.5
Value 
 10.0
Reviews Views Date of last review
4 62,399 Sun July 14, 2019
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Recommended By Average Price Average User Rating
100% of reviewers $32.50 9.25
Cosina  MC MACRO 28mm F2.8
supersize


Description:
Filter diameter: 49mm
No hood
K-A mount
F2 - F22, 5 blades
MC - multicoated
MACRO - minimum focus Approx 0.14m (~0.46 feets)
Metal chassis, plastic focus ring though


Length: 3.7cm (~1.46'') - without mount, focus ring at ∞
Diameter 61mm
Weight: 156g
Mount Type: Pentax KA
Price History:



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New Member

Registered: October, 2018
Posts: 1
Review Date: July 14, 2019 Recommended | Price: None indicated | Rating: 10 

 
Pros: IQ, Contrast, Sharp
Cons:
Sharpness: 10    Aberrations: 8    Bokeh: 9    Handling: 9    Value: 10   

Cheap and useful. And it has A option on the aperture ring and Macro mode. But it is not true Macro 1:1
   
New Member

Registered: November, 2013
Posts: 14
Review Date: December 11, 2018 Recommended | Price: $25.00 | Rating: 10 

 
Pros: very sharp lens
Cons: (very few CA's in the corners wide open) - but neglectable
Sharpness: 10    Aberrations: 9    Bokeh: 9    Handling: 8    Value: 10    Camera Used: K-5, fuji x-t 100 and x-e1   

++ very sharp lens

++ high contrast und good color rendition

a very good lens at a low price!
   
Junior Member

Registered: September, 2009
Location: Galati on Danube-Romania
Posts: 33
Review Date: August 22, 2010 Recommended | Price: None indicated | Rating: 9 

 
Pros: Metal build, optical quality, tested durability (most of 20 years)
Cons: Manual focus (for "lazy" people), need for hood like all lenses

This version of lens is capable of acceptable sharp at F2.8,good sharp between F4 to F5.6 ( consider D.O.F.) and very sharp from F8.
It is susceptible to flare if no hood and the worst case is no hood but with protector filter with ghost multiple flares in "contrejour".
It is a good lens offering also close up possibility and a medium detaching of subject from the background at F2.8.
On K20 (Samy GX20) the exposure can be in Manual mode with the green button pre-touching for the exposure measure or, if using only F2.8 or F4, you can use Aperture-priority mode with an over-exposure of 1 stop, respective 2 stops. In this case, the exposure must be verified (because low or no possibility of correction).
With the leisure of manual focusing this is a prime lens, better than the 18-55 zoom at the same focal length (more luminous and a more diffuse background).
   
Site Supporter

Registered: December, 2007
Location: Ljubljana, Slovenia
Posts: 495
Review Date: November 11, 2008 Recommended | Price: $40.00 | Rating: 8 

 
Pros: sharp, nice colors, low price, light weight, good macro functionality, K-A mount
Cons: a bit soft wide open, overexposes from f/2.8 - f/8 on K100D

I purchased this lens when I was searching for a low cost MF 28mm K-A mount lens.
For this price it is a wonderful lens. Very sharp stopped down a stop or two, with almost none distortion or CA.
The drawback is, it overexposes half a stop from f/2.8 to f/8 on my K100D, but with exposure compensations this is not a big deal.
With 28mm this lens is a normal lens on a crop sensor and has a really nice FOV.
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