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  Reviews by: Scott Stoness  

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Zeiss 25mm f/2 Distagon T*

Review Date: Feb 24, 2013 Recommend? yes | Price paid: $1,850.00 | Rating: 10 

Pros: 1) Hard stop at infinity, 2) Small and Light, 3) Very good IQ at f2
1) No Auto Focus, 2) Poor cheap lens cap that never gives me confidence that it is secure.

This is my go to lens for northern lights photography. All my canon's are frustrating in the dark. You have to find a bright object to live view focus. But the zeiss 25 f2 is sharp, hard stop at infinity and that makes it really easy to use in the dark.

I still use my 24 TS f3.5 in the light to remove the bowing of the trees but for quality, the 25 f2 is not to be beat.

]The only thing I don't like about this lens is the cheap lens cap.

For night shooting, there are none better.

coma is good but not great per lenstip
is sharper close focussed than far - lenrentals
but still sharper on edges than sigma 24/1.4 or canon 24/1.4 when at f2 or above
has very low ca which leads to better visual than canon or sigma per
vignetting at f2 is significant per but I have not found this to be an issue
flaring is good per lens tip

I would recommend buying this lens for night shooting over alternatives - sharp, hard stop at infinity, small. At f4, its really sharp on astrotracker. It also has high micro contrast (high resolution at really small lines)