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Diafun

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georgiabowhuntr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote georgiabowhuntr Quote  Post ReplyReply Direct Link To This Post Topic: Diafun
    Posted: August/23/2004 at 18:36

What can you folks tell me about the Zeiss Diafun?

I am primarily interested in hunting and the low light capabilities of both the 8X30 and the 10X30.

Can you tell me how they'd compare to other binos out there?

Also, how do they stack up against the Bushnell Legend series?  I know the Bushnell's have "FULLY MULTI-Coated" lenses whereas the Diafun's are listed as just "multicoated" 

Thanks for all the input (in advance)

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ranburr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote ranburr Quote  Post ReplyReply Direct Link To This Post Posted: August/23/2004 at 19:25

I am a big Zeiss fan, but I do not like the Diafun line.  I have never compared the two side by side but I would probably rather have a 10x42 Legend than 10x30 Diafun.  The Legend is a pretty descent bino for the money and shares a lot of internals with some higher priced brands. 

 

ranburr

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georgiabowhuntr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote georgiabowhuntr Quote  Post ReplyReply Direct Link To This Post Posted: August/23/2004 at 20:15
Diafun gone

Edited by georgiabowhuntr
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georgiabowhuntr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote georgiabowhuntr Quote  Post ReplyReply Direct Link To This Post Posted: August/24/2004 at 18:05
Anyone have any thoughts on these?
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georgiabowhuntr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote georgiabowhuntr Quote  Post ReplyReply Direct Link To This Post Posted: September/12/2004 at 19:36


Edited by georgiabowhuntr
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Steve Optics View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Steve Optics Quote  Post ReplyReply Direct Link To This Post Posted: September/20/2004 at 15:06

Georgiabowhunter,

 

Appx. seven yrs ago Zeiss decided to enter the binocular market at a price point much below their normal models. They have literally dozens of manufacturing facilities all over the world (Zeiss is a 6 Billion Dollar company worldwide !)

The demand for a $300.00 price range bino in the US was so overwhelming that Zeiss convinced the board of directers to agree to source such a product. The board did insist that Zeiss US could not compromise the integrity of their Sports Optics name by offering a product that would have less than above average lens and coating designs.

 

Hence the "Diafun was Born"

 

This product came from a Zeiss facility in Hungry to get around production costs and import costs. Zeiss did a poor job at best in my opinion on the research while developing this product !! The eye cups should have been pop up, the shoulder strap should have been such that the owner could change it for a nicer one, the diopter should have been numbered or marked in some way Ect...

 

Since then Zeiss has recognized it's early mistakes and have come out with the "Conquest" line, this line is better in every way, cosmetically and with newer lens and coating designs.

 

The Diafun does however have exceptionally clear and bright image and resolution.  All the lenses are of course "Fully multi-coated" with Zeiss's "MC" coating recipe, I would have to say that for $300.00 they are as good as you can get in that price range. I personally just do not like the appearence and lack or convenience.

 

For another $100.00 or so, you could get the Conquest series and I think you would be much happier.

 

As for use in low light conditions, I concur with "Ranburr" you should either go with a 10x40ish or 8x30ish configuration. Try to get your "exit pupil" up to at least 4mm.

 

I apologize if you already know how to do that ! Otherwise, to get your "exit pupil" you simply need to devide the power of the binocular into the objective lens size in millimeters. As a rule of thumb, the greater the "exit pupil" up to around 6mm, the more light can gather through the bino and carry the image to your eye.

 

This of course can change when you are not comparing like models, if the model with the smaller exit pupil happens to have better glass and coatings then the larger model, well, it would be some what of a trade off. (brightness v/s contrast) 

 

Good Luck

Steve Optics 

Steve Optics
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georgiabowhuntr View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote georgiabowhuntr Quote  Post ReplyReply Direct Link To This Post Posted: September/20/2004 at 18:55

Steve,

Thanks.  I was not pleased with them and have returned the pair I had.

They seemed to blur around the edges and I also didn't like some of the same things you pointed out (IE the attached/permenant neck strap)

Thanks again for your insight.

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