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vivitar 28-105mm f/2.8-3.8 Series 1 ?
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PostPosted: Fri Jun 05, 2009 5:48 pm    Post subject: vivitar 28-105mm f/2.8-3.8 Series 1 ? Reply with quote

How sharpe is this lens ? Anyone use this one before ?
What do you think of it ?
vivitar 28-105mm f/2.8-3.8 Series 1 for Nikon

I have a chance to buy one off Fleabay
Should I let it go ?
thanks


PostPosted: Fri Jun 05, 2009 5:56 pm    Post subject: Reply with quote

What is the serial#


PostPosted: Fri Jun 05, 2009 6:32 pm    Post subject: Reply with quote

What I could see of the picture on Fleabay , it looks like the serial number starts with 09 , they don't list the serial number
I think Kiron starts with 22 if memory serves me right.


PostPosted: Fri Jun 05, 2009 6:55 pm    Post subject: Reply with quote

#22 is Kiron , 9 is Cosina...Cosina version is only so-so in terms of IQ


PostPosted: Fri Jun 05, 2009 7:39 pm    Post subject: Reply with quote

Thanks Scott !


PostPosted: Fri Jun 05, 2009 7:50 pm    Post subject: Reply with quote

n8yitim wrote:
What I could see of the picture on Fleabay, ....


I couldn't find the Nikon fit lens. There is a Minolta fit ..

Click here to see on Ebay

Serial # 09742661 and the characteristic focusing grip with "Vivitar Series 1" suggests Cosina.


PostPosted: Sat Jun 06, 2009 2:21 pm    Post subject: Reply with quote

sichko wrote:
the characteristic focusing grip with "Vivitar Series 1" suggests Cosina.


The general design is EXACTLY the same (and manufacturing seems same) as my 28/90 2.8/3.5 Komime made

I would suggest SAME Opcon design but manufactured by COsina (instead of Komine)

Opcon design = Top quality
Cosina manufacturing = depends on price paid to Cosina !!

I Would suggest that it is EXACTLY the same lens design that the TOP QUALITY 28/90 but streched to 105mm [(the official 105mm/3.8 aperture seems coherent compared with the official 90mm/3.5)

For comparison : Link for S1 28/90 leaflet :
http://jfcampbell.us/photo/vivitar28-90.htm

ps : The actual aperture of the 28/90 is 3.5/4.5


PostPosted: Mon Jun 08, 2009 10:38 pm    Post subject: Reply with quote

All of the Series 1, 28-105 models were made by Cosina. There is an older Vivitar 28-105 Kobori (77xxxx) made model too. But, it is not a Series 1 model. If you are looking for a 28-105 in manual focus, the Kiron version is considerably better than both Vivitar versions. Here's a snap of the Kobori model.

ri

Kiron Kid