[LRflex] Re: Query: 35mm f2.8
- From: Bob Shaw <rsphotoimages@xxxxxxxxxxx>
- To: leicareflex@xxxxxxxxxxxxx
- Date: Tue, 24 Oct 2006 12:34:03 -0700
Mattia:
Seems like the only other investigative action would be to view an
image vertically then, continuing to look through the viewfinder,
rotate the camera to horizontal whilst watching for the same effect in
the same area of the viewfinder when horizontal.
If it's still showing the same effect in the same general area, then
you have localized the problem - and oil or some other agent has
saturated a part or parts of the viewing system. This could of course
include the lens itself.
Please do let us all know what you find out; you've generated quite an
interested group on this one!
Regards,
Bob in Seattle
On Oct 24, 2006, at 12:27, Mattia Gilardi wrote:
No filter on the lens for all the shots.
I've noticed that this "effect" appears almost only when I shot
vertically, and in the upper part of the image.
Maybe, if the "oil theory" is correct, it matches to where the
element has oil on it.
I've just contacted Leica here in Switzerland, but I maybe send
directly to Solms and have the lens fully checked up and calibrated.
Mattia
On Oct 24, 2006, at 8:40 PM, Aram Langhans wrote:
> Do you have a filter on that thing? I find the odd rainbow effect
> by the
> light of the night shot reminescent of reflections and interference
> from
> filters. I have never noticed that effect with my lenses, Lecia or
> Zeiss on
> my SL-35.
>
> Aram
>
>
>> From: Mattia Gilardi <mattiag@xxxxxxx>
>> Reply-To: leicareflex@xxxxxxxxxxxxx
>> To: leicareflex@xxxxxxxxxxxxx
>> Subject: [LRflex] Re: Query: 35mm f2.8
>> Date: Tue, 24 Oct 2006 15:06:49 +0200
>>
>>
>>
>> Hi,
>> first of all, since this is my first message here, I must thank you
>> all for providing invaluable content to be lurked by me in the past
>> months :-)
>> Second, I apologize for my bad English.
>>
>> I think I have a similar problem in my 35/2 R, late model.
>> In difficult situations, it is very flare prone, and a very strange
>> one. Sometime ray of light are "curved", sometime are similar to a
>> rainbow.
>> It is also very sensible to ghost with sun on field or near the
>> border of image, and it shows very noticeable red ghosts.
>>
>> This is true with both film (on a R6.2) and digital (on a Canon 5D).
>>
>> The serial number is 326xxx, do you think this is normal for this
>> lens, and younger ones are better coated or something, or I should
>> send my lens to Solms for checking/cleaning, etc.?
>> I think so because I have other lenses, even wider, that perform
>> much, much, better in similar situations.
>>
>> Here are some example, some very bad picture that however show the
>> problem.
>> All three taken with 5D, unretouched, just RAW converted (I repeat,
>> though, that with film is the same. Just don'have a scanner :) )
>> Sea ones at f8 and night one more open. All three with hood extended.
>>
>> http://homepage.mac.com/mattiag/35summi001.jpg
>> http://homepage.mac.com/mattiag/35summi002.jpg
>> http://homepage.mac.com/mattiag/35summi003.jpg
>>
>> Best regards and thanks,
>> Mattia Gilardi
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