nikon201068
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I tried out this combo with this sample pic from my short break from work. Barrel distortion is minimal to almost none IMHO. C&C are welcome. Thanks
f/8
f/8
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X-Pro1 + Metabones Speed Booster + Nikon 15/3.5 Ais
- Thread starter nikon201068
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Trollshavethebestcandy
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Was that taken in Monterey by the whaling museum? Just down the way from me.
Hi Dan, again an excellent technology/gear demo. Thank you. the AIS 15mm/f3.5 is quite a unique and expensive lens. Can you post a photo of your 15mm on your XPro1?
FD15mm - Fisheye combined with HDR is a perfect lens for fun photographers like me.
Take care, Miki
nikon201068
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Yes. I work not too far from it.
nikon201068
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Thank you Miki. Beautiful shot .Hi Dan, again an excellent technology/gear demo. Thank you. the AIS 15mm/f3.5 is quite a unique and expensive lens. Can you post a photo of your 15mm on your XPro1?
FD15mm - Fisheye combined with HDR is a perfect lens for fun photographers like me.
Take care, Miki
Here's a picture of it.
Trollshavethebestcandy
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I knew that anchor looked familiar. How does defishing work with the speed booster? Do they need a special added lens profile?
Jared Huntr
Senior Member
If you look at the pic at 100%, there seemed to be radial out of focus zones. For example, place an imaginary donut on the image. The part covered by the donut are soft and other parts sharp. So working your way out from the center, it starts out sharp, then soft, then sharp again, fnishing with soft corners.I tried out this combo with this sample pic from my short break from work. Barrel distortion is minimal to almost none IMHO. C&C are welcome. Thanks
f/8
Anyone else notice this? It's not the first time I've noticed this strange behavior with speed-booster samples.
Speedbooster is made for convenience. It is very very good for what it does. It isn't perfect. If you are shooting commercial photography, probably best to use something else. But generally, the world isn't perfectly flat either. And images produced by decent lenses and Speedbooster have been great, at least for me.If you look at the pic at 100%, there seemed to be radial out of focus zones. For example, place an imaginary donut on the image. The part covered by the donut are soft and other parts sharp. So working your way out from the center, it starts out sharp, then soft, then sharp again, fnishing with soft corners.I tried out this combo with this sample pic from my short break from work. Barrel distortion is minimal to almost none IMHO. C&C are welcome. Thanks
f/8
Anyone else notice this? It's not the first time I've noticed this strange behavior with speed-booster samples.
--
Hiking with the Fujifilm X-T1
ohm image - audio photography
nikon201068
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The Nikon 15mm/3.5 AIS is It is a rectilinear lens and not a fisheye. No need to defish.
nikon201068
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I noticed that too. Not sure this happens to all Speed Booster adapters or mine is not normal. Probably do a few tests soon to find out. ThanksIf you look at the pic at 100%, there seemed to be radial out of focus zones. For example, place an imaginary donut on the image. The part covered by the donut are soft and other parts sharp. So working your way out from the center, it starts out sharp, then soft, then sharp again, fnishing with soft corners.I tried out this combo with this sample pic from my short break from work. Barrel distortion is minimal to almost none IMHO. C&C are welcome. Thanks
f/8
Anyone else notice this? It's not the first time I've noticed this strange behavior with speed-booster samples.
D.
nikon201068
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Can I ask if your copy has the same effect? ThanksSpeedbooster is made for convenience. It is very very good for what it does. It isn't perfect. If you are shooting commercial photography, probably best to use something else. But generally, the world isn't perfectly flat either. And images produced by decent lenses and Speedbooster have been great, at least for me.If you look at the pic at 100%, there seemed to be radial out of focus zones. For example, place an imaginary donut on the image. The part covered by the donut are soft and other parts sharp. So working your way out from the center, it starts out sharp, then soft, then sharp again, fnishing with soft corners.I tried out this combo with this sample pic from my short break from work. Barrel distortion is minimal to almost none IMHO. C&C are welcome. Thanks
f/8
Anyone else notice this? It's not the first time I've noticed this strange behavior with speed-booster samples.
--
Hiking with the Fujifilm X-T1
ohm image - audio photography
D.
Hi Jared and Dan, Here is my challenge: three similar shots one with Speed Booster, another one with regular high-quality adapter, and one with a special adapter containing a glass element.
Can you detect the phenomenon on any of them?
Take care and thank You, Miki
Jared Huntr
Senior Member
It appears that the first one is the sharpest and cleanest up to the corners and edges.Hi Jared and Dan, Here is my challenge: three similar shots one with Speed Booster, another one with regular high-quality adapter, and one with a special adapter containing a glass element.
Can you detect the phenomenon on any of them?
Take care and thank You, Miki
The second is quite blurry in the corners.
The third is much better than the second, but has a tiny bit of blur in the lower corners.
My guess is
1=adapter with no glass:
Loading…
3.static.img-dpreview.com
2=adapter with glass element (based on the assumption that no-name = cheaper quality):
Loading…
2.static.img-dpreview.com
3=speed booster:
Loading…
3.static.img-dpreview.com
These appear to be from a longer lens. I believe distortions and wavy field curvature issues would be more visible in shots taken with wide angle lenses.
Brilliant, Jared! You are a perfect pixel peeper, congratulations.
Here is my award photo
This time no Speed Booster: tilting with a Nikon AI lens on a Kipon TS adapter.
Take care and have fun, Miki
Zagato
Leading Member
Jared,It appears that the first one is the sharpest and cleanest up to the corners and edges.Hi Jared and Dan, Here is my challenge: three similar shots one with Speed Booster, another one with regular high-quality adapter, and one with a special adapter containing a glass element.
Can you detect the phenomenon on any of them?
Take care and thank You, Miki
The second is quite blurry in the corners.
The third is much better than the second, but has a tiny bit of blur in the lower corners.
My guess is
1=adapter with no glass:
http://3.static.img-dpreview.com/files/p/E~forums/54247837/02833cc00a4e47a4b3b7867eb802f38f
2=adapter with glass element (based on the assumption that no-name = cheaper quality):
http://2.static.img-dpreview.com/files/p/E~forums/54247837/67981752dfe748b3994beaf0f7049891
3=speed booster:
http://3.static.img-dpreview.com/files/p/E~forums/54247837/872f1260cd80437ab835a39704c5f2cb
These appear to be from a longer lens. I believe distortions and wavy field curvature issues would be more visible in shots taken with wide angle lenses.
I think I could live with the slight blur on the edges in #3 (Speedbooster).
Brgds
Michael (Vienna)
Zagato
Leading Member
Miki,Hi Jared and Dan, Here is my challenge: three similar shots one with Speed Booster, another one with regular high-quality adapter, and one with a special adapter containing a glass element.
Can you detect the phenomenon on any of them?
Take care and thank You, Miki
thanks for posting this comparison. The slightly blurry edges in #3 (Speedbooster) don't bother me at all as I've seen worse with prime lenses on FF or APS-C in combination with respective normal (glassless) adapters.
Brgds
Michael (Vienna)
Jared Huntr
Senior Member
Yes, I would be ok with this as well. However, the image in this thread from the OP seems to indicate a more serious issue with wide angle focal lengths.
Jared Huntr
Senior Member
Miki, thanks for the tests and this interesting shot.Brilliant, Jared! You are a perfect pixel peeper, congratulations.
Here is my award photo
This time no Speed Booster: tilting with a Nikon AI lens on a Kipon TS adapter.
Take care and have fun, Miki
BTW, what lens did you use for those tests?
nikon201068
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Hi Miki,Brilliant, Jared! You are a perfect pixel peeper, congratulations.
Here is my award photo
This time no Speed Booster: tilting with a Nikon AI lens on a Kipon TS adapter.
Take care and have fun, Miki
Very nice shot. Jared beat me to the test. He sure is a good pixel peeper
.D.
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