C. P. Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 Review

11/12/2014 - 18:41
C. P. Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 Review




The design was invented in 1893 by the German mathematician Emil Von Hoegh. Later lens calculations were purchased by Goerz firm, and Emil Von Hoegh was asked to job a leading specialist. Such design is not accidental. Photos of that time wanted to have a versatile lens for portraits, as well as for landscape photography. Dagor actually one of the first anastigmatic, commercially available.

DAGOR optical design

The first lens-anastigmatic is Protar, designed by Carl Zeiss, but it did not get such a success as Dagor. For lenses that time Dagor well-corrected coma, distortion, a chromatic and spherical aberration. These lenses are available with different focal lengths (from 75 to 1200mm) and aperture (f4-f11). The first batches of Dagor were so in demand that production capacity of the company is not enough.

Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8

C. P. Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 with glued extension ring M42, for mount on a DSLR camera

Dagor design has been implemented in many lenses. Many lens manufacturers copied this design, with minor modifications, to get around the patent. Even now, this design is implemented in the format camera lenses from Schneider and Rodenstock.

Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8

I pick up Dagor lens f/ 6,8 focus length 150mm. The serial number is 291,040, it was released between 1908 and 1914. The lens has the iris diaphragm, 13 aperture blades. Closes smoothly. It was interesting to get a picture on a digital camera.

Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8

For mount it on DSLR camera I glued to the barrel extension ring M42, adding another large and small ring. And all this construction bolted to the helicoid through the step down ring M42-M39 and M42-Nikon adaptor. Also, read How to Mount Large Format Lenses on DSLR Camera

 

C. P. Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 Example Photos

All photos were taken on Nikon D3100 at wide open aperture (f/ 6,8). RAW export. Contrast correction places quite a bit, and sometimes significantly.

Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples

Bokeh an interesting, pleasant at close focusing.

Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples   Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples   Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples

Color reproduction is not bad but is afraid to stray light. Especially backlight. The contrast is good for the uncoated lens.

Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples   Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samplesGoerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples

This lens for a film frame 18x24cm. For this area, it has good sharpness. But of course, the ASP/C DSLR sharpness is limited.

Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples   Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples  

Well, a couple of shots of people.

Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samplesGoerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samplesGoerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samplesGoerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samplesGoerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samplesGoerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 samples  

Summary

C. P. Goerz Berlin Dopp-Anastigmat Serie III DAGOR 150 mm f/ 6.8 is very interesting with its character. Will be of interest to fans of vintage images. Because of the small aperture is recommended to shot them on a sunny day.

dagor15068-23





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