ZUFAR 4/350mm APO CAT lens

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14 Dec, 2008
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kds315
中度老花
文章: 834
註冊時間: 十月 29th, 2011, 8:46 pm
來自: Weinheim/Germany
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ZUFAR 4/350mm APO CAT lens

文章kds315 » 二月 13th, 2018, 4:14 pm

Was waiting over 10 years for such a lens to appear...the chances to find that lens was basically ZERO, but
it found me in impeccable condition, unused with original caps attached.

That lens was made for the Soviet MARS-5 mission to planet Mars using a very elaborate camera

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with a 4/350mm catadioptric quartz fluorite lens [lens drawing made exclusively for me by my dear friend Marco Cavina]:

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which delivered very sharp images of the Mars surface:

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And here is the lens of which most likely only a handful were ever made:

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It was made of Quartz and Fluorite to be able to work in UV and visible light, 300-700nm without focus shift.
so actually it is an APO 350mm catadioptric lens. Their whole useful wavelength range is 230-700nm.

Data of this lens, as well as its normal quartz fluorite sister lenses are here:
http://www.macrolenses.de/ml_detail_sl.php?ObjektiveNr=323
最後由 kds315 於 二月 13th, 2018, 4:18 pm 編輯,總共編輯了 2 次。
Klaus

http://uvir.eu for invisible world photography
http://www.macrolenses.de for macro and special lens info

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kds315
中度老花
文章: 834
註冊時間: 十月 29th, 2011, 8:46 pm
來自: Weinheim/Germany
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Re: ZUFAR 4/350mm APO CAT lens

文章kds315 » 二月 13th, 2018, 4:15 pm

Here a few freelensed test shots on a gloomy day...

About 100m away:
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About 15m away:
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Well, and here the 1st reflected UV image I took with it... handheld freelensing, high ISO, as this is 8-10 stops below visible photography:

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whitebalanced it looks like this:

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Klaus

http://uvir.eu for invisible world photography
http://www.macrolenses.de for macro and special lens info

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checkie
會員甲
文章: 20557
註冊時間: 十一月 6th, 2008, 9:14 am

Re: ZUFAR 4/350mm APO CAT lens

文章checkie » 二月 13th, 2018, 9:06 pm

@onion20@

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kds315
中度老花
文章: 834
註冊時間: 十月 29th, 2011, 8:46 pm
來自: Weinheim/Germany
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Re: ZUFAR 4/350mm APO CAT lens

文章kds315 » 二月 14th, 2018, 12:32 am

Trying to see how well it does closeups...

Here a Balinese Sandlewood carving against the light:

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And here a detail of a Shona stone carving (very slanted angle to show DOF):

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Both about 3 meters away
Klaus

http://uvir.eu for invisible world photography
http://www.macrolenses.de for macro and special lens info

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jeffo
病入高盲
文章: 5663
註冊時間: 九月 24th, 2011, 1:02 am
來自: HK, Canada
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Re: ZUFAR 4/350mm APO CAT lens

文章jeffo » 二月 15th, 2018, 1:52 pm

@onion20@ @onion20@ @onion20@
老花到開始睇唔到野@.@


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