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Description
Portrait of our garden frog , was taken with a manual focus F2,5 90mm Vivitar Series 1 lens from 1976.

(The small frog was only about 7cm long)

This lens was nicknamed the Bokina for its Bokeh and because it was made by Tokina to the very high Series 1 specifications of the Vivitar design bureau.

The first one or two digit of the serial number shows by whom it was manufactored !!

6 Olympus
9 Cosina
13 Schneider Optik
22 Kino (aka Kiron)
25 Ozone Optical
28 Komine
32 Makinon
33 Asanuma
37 Tokina
42 Bauer
44 Perkin Elmer (US)
47 Chinon
51 Tokyo Trading
56 Kyoe Schoji
75 Hoya Optical
81 Polar

“Vivitar is a famous Los Angeles photo marketing firm that competed with the big boys as major 35mm SLR lens makers from about the mid 1970's to the late 1980's with their Series 1 lenses. “

“No, Vivitar did NOT own their own lens factory. Instead Vivitar hired the best lens designers they could find (using then state of the art computers in the USA) to make the best lenses they could under the premium "Vivitar Series 1" brand name."

"Super lens designs were produced, some which had never been seen before. Series 1 lenses of this period were very good lenses indeed, often as good or even better than major lens manufacturers. “ Courtesy to Cameraquest site

F2,5 90mm Vivitar Series 1 lens test from the magazine modern photography out of 1978:

Blog on the Bokina : [link]

Lens was bought in mint condition including its 2 x macro converter for 7,50 euro on a flea market .

Hope you like it , greetz len

Description
Portrait of our garden frog , was taken with a manual focus F2,5 90mm Vivitar Series 1 lens from 1976.

(The small frog was only about 7cm long)

This lens was nicknamed the Bokina for its Bokeh and because it was made by Tokina to the very high Series 1 specifications of the Vivitar design bureau.

The first one or two digit of the serial number shows by whom it was manufactored !!

6 Olympus
9 Cosina
13 Schneider Optik
22 Kino (aka Kiron)
25 Ozone Optical
28 Komine
32 Makinon
33 Asanuma
37 Tokina
42 Bauer
44 Perkin Elmer (US)
47 Chinon
51 Tokyo Trading
56 Kyoe Schoji
75 Hoya Optical
81 Polar

“Vivitar is a famous Los Angeles photo marketing firm that competed with the big boys as major 35mm SLR lens makers from about the mid 1970's to the late 1980's with their Series 1 lenses. “

“No, Vivitar did NOT own their own lens factory. Instead Vivitar hired the best lens designers they could find (using then state of the art computers in the USA) to make the best lenses they could under the premium "Vivitar Series 1" brand name."

"Super lens designs were produced, some which had never been seen before. Series 1 lenses of this period were very good lenses indeed, often as good or even better than major lens manufacturers. “ Courtesy to Cameraquest site

F2,5 90mm Vivitar Series 1 lens test from the magazine modern photography out of 1978:

Blog on the Bokina : [link]

Lens was bought in mint condition including its 2 x macro converter for 7,50 euro on a flea market .

Hope you like it , greetz len