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anyone who knows information for kern 75 1.9 macro ?
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PostPosted: Mon Dec 05, 2011 4:36 pm    Post subject: anyone who knows information for kern 75 1.9 macro ? Reply with quote
regarding the macro mode,how much is the minimum focus distance?

how much is the amplification ratio ?

how to enter the macro mode? many thanks.

Last edited by angara on Wed Dec 14, 2011 1:50 pm; edited 1 time in total


PostPosted: Mon Dec 05, 2011 9:02 pm    Post subject: Reply with quote
A superb lens, highly recommended! Pictures shot with it are here: http://www.flickr.com/photos/kds315/sets/72157625264545119/



Macro mode goes to about 60cm (2ft) and you just continue to turn the focusing ring (it has a multi turn helicoid). On my GH2 you see horizontally 130mm which fills the sensor horizontally.


PostPosted: Tue Dec 06, 2011 1:34 am    Post subject: Many many thanks! Reply with quote
Dear KDS315

Great pic.

To rotate the focus ring to past 1.5m where the red colored body can be seen?

I read from the web the amplification ratio is 3:1. Does it implies that it could magnify object 3 times?Or just one third?


PostPosted: Tue Dec 06, 2011 10:25 am    Post subject: Re: Many many thanks! Reply with quote
angara wrote:
Dear KDS315

Great pic.

To rotate the focus ring to past 1.5m where the red colored body can be seen?

I read from the web the amplification ratio is 3:1. Does it implies that it could magnify object 3 times?Or just one third?


Yes, in macro mode, the collar has a red indicator showing to make clear that the meter scales are not valid in macro mode.
I don't know what you mean by "amplification", maybe you mean "magnification"? That depends on the camera (sensor size) used. Very different from using it on a 16mm film camera (once was the intended use). On my Lumix GH2 with a 17.3 x 13.0mm sensor, the max. magnification is 17.3mm / 130mm = 0.13x or 1:7.5

For my macro work it was pretty good still:


PostPosted: Tue Dec 06, 2011 3:41 pm    Post subject: Reply with quote
I got it. It is something like close up.

you are right for magnification.

Gorgeous photo!


PostPosted: Tue Dec 06, 2011 4:54 pm    Post subject: Reply with quote
Yes, it is not real "macro" which per our standards in Germany starts from 1:1 onwards.


PostPosted: Fri Dec 09, 2011 1:56 pm    Post subject: thanks again. I'd like to buy a NEX-7 for the amazing ker 75 Reply with quote
thanks again. I'd like to buy a NEX-7 for the amazing kern 75


PostPosted: Fri Dec 09, 2011 2:26 pm    Post subject: Reply with quote
So you have that lens or are looking for one for your Nex?


PostPosted: Sat Dec 10, 2011 1:18 pm    Post subject: Yeah.I have the lens. I'd like to bu a NEX-7.Thanks. Reply with quote
Yeah.I have the lens. I'd like to buy a NEX-7.Thanks.


PostPosted: Sat Dec 10, 2011 6:06 pm    Post subject: Reply with quote
Why then all these questions? You could have found that out yourself without me having to do it??


PostPosted: Wed Dec 14, 2011 2:07 am    Post subject: Reply with quote
Dear kds315,

Very sorry for the late response.

I have the Macro 75 1.9. While I don't have the camera body of C mount or NEX,which is on my wish list of 2012.

One of my friend ever tried my 75 macro using Nex-5. He didn't found how to use the macro function,neither do I.

That's why I am here to ask for help. Is it clear?

regards and thanks
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