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First Images From Laowa 10-18mm
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PostPosted: Fri Jan 04, 2019 9:36 pm    Post subject: First Images From Laowa 10-18mm Reply with quote
Here are some of today's images, all at ISO 200, 1/13 to 1/250, hand held.

To my surprise "horizon" issues were minor. I had to rotate the first two images by one degree and the third by two. I have cropped some off the bottom of the first two to remove shadows of parked cars.

The wider I zoom out, the more vignetting there is but I have moderated it digitally.

The building here is the French Horn restaurant at Sonning on Thames.

Focal lengths, apertures and shutter speeds are shown below each image.

The stereo (not very good) is crosseye.

More images to be processed.

Data for the following images, respectively:

15mm at f8 1/200
18mm at f5.6 1/160
18mm at f11 1/80
18mm at f8 1/250
18mm at f8 1/250
13mm at f11 1/125
10mm at f16 1/50









PostPosted: Sat Jan 05, 2019 12:47 am    Post subject: Reply with quote
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PostPosted: Sat Jan 05, 2019 6:36 am    Post subject: Reply with quote
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Did you use the cha-cha method for the crosseye?
With wide angle I usually do super stereo (bigger step)


PostPosted: Sat Jan 05, 2019 7:05 am    Post subject: Reply with quote
kds315* wrote:
Like 1

Did you use the cha-cha method for the crosseye?


Essentially, yes. However, I always keep a chosen feature (usually fairly central) in the scene in the same position in each of a pair, something not available with twin lens cameras and suchlike.

I do vary lateral spacing. I mostly shoot macro, examples here:

http://forum.mflenses.com/some-macro-images-through-laowa-25mm-x2-5-to-x5-t80123,highlight,%2Blaowa.html

Last edited by e6filmuser on Sat Jan 05, 2019 7:19 am; edited 2 times in total


PostPosted: Sat Jan 05, 2019 7:17 am    Post subject: Reply with quote
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PostPosted: Sat Jan 05, 2019 8:06 am    Post subject: Reply with quote
Some from 10mm at f11(more to come). Not necessarily the very best of numerous shots but I expect variation to be slight. There are of a footbridge,

The stereos are in three formats: conventional, crosseye and colour anaglyph. Enjoy!






PostPosted: Sat Jan 05, 2019 8:28 am    Post subject: Reply with quote
crosseye works very well for me!!


PostPosted: Sat Jan 05, 2019 9:45 am    Post subject: Reply with quote
Stereos from footbridge, looking towards restaurant. 10mm at f11.

Anaglyph, conventional and crosseye.






PostPosted: Sat Jan 05, 2019 10:57 am    Post subject: Reply with quote
This was at 14mm and f11, anaglyph, conventional and crosseye.





PostPosted: Sat Jan 05, 2019 11:30 am    Post subject: Reply with quote
This huge willow tree grows very close to the road bridge and overhangs it. I don't think it merits multiple formats so this is crosseye. Lens at 10.5mm (estimate) and f11.



PostPosted: Sat Jan 05, 2019 1:48 pm    Post subject: Reply with quote
Two final crosseye stereos

Riverside Willows 15mm at f8

Outflow From Watermill at 10mm at f11.





PostPosted: Sat Jan 05, 2019 5:42 pm    Post subject: Reply with quote
Nice, this lens is on my wishlist Wink

I see some magenta in some corners early on, what camera is used? First gen A7 series?
Cheers Lars


PostPosted: Sat Jan 05, 2019 6:33 pm    Post subject: Reply with quote
Nordentro wrote:
Nice, this lens is on my wishlist Wink

I see some magenta in some corners early on, what camera is used? First gen A7 series?
Cheers Lars


Thanks, Lars.

Yes the original A7R, almost accidentally. I was after a full frame body and this one turned up. I don't like the shutter shake with telephoto images at medium shutter speed. I thought I would use it mainly for wide angle lenses for landscape and architecture but I like the extra depth with full flash macro, especially with the Laowa 25mm at high magnifications.

I miss my X-Pan format and may, in future, crop some images to those proportions.


PostPosted: Sat Jan 05, 2019 9:46 pm    Post subject: Reply with quote
Ok, thx. I've had first gen A7R myself.
You probably know that you will get rid of any collor cast and get less vignetting with the sensor from second and third gen A7R with this lens. But with X-Pan in mind you would not have any issues with it of course. Or it depends on how you crop Wink

Cheers Lars


PostPosted: Sun Jan 06, 2019 1:57 pm    Post subject: Reply with quote
Nordentro wrote:
Ok, thx. I've had first gen A7R myself.
You probably know that you will get rid of any collor cast and get less vignetting with the sensor from second and third gen A7R with this lens. But with X-Pan in mind you would not have any issues with it of course. Or it depends on how you crop Wink

Cheers Lars


Thanks. I won't be investing in any further camera body.

Here are two single frames shot at 16mm and f11.


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