MEIKE 85mm f1.8 Large Aperture Full Frame Auto Focus Prime Telephoto Lens for EOS EF Mount Camera Compatible with APS-C Bodies Such as 1D 5D3 5D4 6D 7D 70D 550D 80D by Zenith Digital Bay

July 18, 2019 - Comment

Meike 85mm f/1.8 Performance Sharpness: very good level at f/1.8 and f/2.8, rising to excellent from f/4 to f/8. Sharpness is still very good at f/11 and f/16, only falling off to fair levels at f/22.Edge sharpness is quite poor at f/1.8, fair at f/2.8 but then perks up to being very good at f/4

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(as of November 6, 2019 5:29 am GMT+0000 - Details)

Meike 85mm f/1.8 Performance
Sharpness: very good level at f/1.8 and f/2.8, rising to excellent from f/4 to f/8.
Sharpness is still very good at f/11 and f/16, only falling off to fair levels at f/22.
Edge sharpness is quite poor at f/1.8, fair at f/2.8 but then perks up to being
very good at f/4 and excellent at f/5.6 to f/8. It is still very good at f/11 and
f/16, falling off to being only fair at f/22.
CA (Chromatic Aberration) is remarkably well controlled throughout the
aperture range. It is very unlikely that CA will be seen as a problem and if
further correction is ever needed we can of course look to software solutions.
Vignetting at open aperture is quite obvious at -1.5 stops, although this does
have a useful side effect in that corners of an image are often darkened in
post processing to concentrate our eyes on the centre of the image.
Here we have a natural effect, more often seen in wide angle designs. At
f/2.8 darkening has reduced to around two thirds of a stop and this has
reduced to about one third of a stop by f/4. It doesn’t really get any better
than this, the mild -0.3 stop vignetting continuing right through the
aperture range.
The lens shows +0.63% pincushion distortion, which again is an excellent
performance. Further correction could be made in software if the need
arose, but for most purposes this would not be necessary.
Performance against the light is excellent as well, and flare was not observed
in any of the conditions found throughout the test period.

Meike 85mm f/1.8 Pros
Excellent sharpness
Low CA
Low distortion

Meike 85mm f/1.8 Cons
AF noisy and slow
No weather resistance
Edge softness wide open

Package:
1*MK-85MM F/1.8 Lens
2*Lens Cap(front and rear)
1*Lens hood
1*Lens bag
1*Lens Cleaning Cloth
1*Manual and Warranty Card