| View previous topic :: View next topic |
| Author |
Message |
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
 Posted: Fri Jan 30, 2015 6:57 pm Post subject: |
 |
|
peppen wrote:
On a macro bellow.  |
|
| Back to top |
|
 |
RSalles
Joined: 12 Aug 2012
Posts: 1372
Location: Brazil - RS / South
|
| Posted: Fri Jan 30, 2015 7:31 pm Post subject: |
|
|
RSalles wrote:
| peppen wrote: |
| On a macro bellow. |
A PK macro bellow? Ok,
Best,
Renato |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Fri Jan 30, 2015 8:06 pm Post subject: |
|
|
peppen wrote:
Yup! A AICO PK slide duplicator to be exact.
I'm going to pick it up Sunday morning. Needs some stripping down but it looks like it got all the parts I need.
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Sun Feb 01, 2015 8:09 pm Post subject: |
|
|
peppen wrote:
The lens is has a red dot just above F11 and i think that's where it sharpest. The lens is super soft at f4.5. It's hard work focusing and using this set up.
I might have to build a costom mount to fit the camera straight on the bellow.
F4.5
F5.6
F8
F11
F11
100% crop 1
100% crop 2
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Sun Feb 01, 2015 10:04 pm Post subject: |
|
|
peppen wrote:
Cranked up
 |
|
| Back to top |
|
|
Pete
Joined: 01 Feb 2011
Posts: 240
Location: Denver, San Jose
|
| Posted: Sun Feb 01, 2015 11:17 pm Post subject: |
|
|
Pete wrote:
Here is my Ektar 127 on the Bellows. Nikon makes a BR-2 reversing ring that often works perfect for these lenses. I can't get much shorter than 105 mm with my bellows and not lose infinity focus. The Ektar is quite nice and does not suffer from the weak contrast. I also have a Wollensak 127 Raptar and a few more old lenses.
Good luck finding your perfect lens.
Pete
_________________
"As God is my witness, I thought turkeys could fly!!!"
www.pete.3rdtrick.com |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Mon Feb 02, 2015 10:32 am Post subject: |
|
|
peppen wrote:
Good info! How does the mount on the bellow work on your set up. Can you rotate the camera after attaching it?
I just put together this dirty rig to do a comparison. Rodagon 150mm 5.6 (1970's?)
Tessar 105 @f5.6
Rodagon 150 @f8
Tessar 105 @f8
Rodagon 150 @f8
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Mon Feb 02, 2015 10:41 am Post subject: |
|
|
peppen wrote:
Crops of images above.
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Mon Feb 02, 2015 11:06 am Post subject: |
|
|
peppen wrote:
The tessar image jazzed up. (sharpens, contrast, shadows)
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Mon Feb 02, 2015 1:38 pm Post subject: |
|
|
peppen wrote:
Tessar 105mm @f8
Crop
Rodagon 150mm @f8
Crop
 |
|
| Back to top |
|
|
Pete
Joined: 01 Feb 2011
Posts: 240
Location: Denver, San Jose
|
| Posted: Tue Feb 03, 2015 1:29 am Post subject: |
|
|
Pete wrote:
Looks like the Tessar is a bit softer than the Rodagon but then it is a 'portrait lens'
Many people have told me that the PB-4 bellows will not clear a digital camera but it has a swivel to go from horizontal to vertical so I move it to vertical when I mount the camera then just swivel it horizontal. Yes I can swivel vertical/horizontal when it is mounted. You can probably use a small extension ring to get your bellows away from the camera body but that may limit the minimum focal length you can use.
This is from the Wollensak Raptar 127 because the Ektar has a permanent home on my Speed Graphic.
I don't remember the PP but I usually apply Alien Skin film emulation.
Pete
_________________
"As God is my witness, I thought turkeys could fly!!!"
www.pete.3rdtrick.com |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Tue Feb 03, 2015 7:03 pm Post subject: |
|
|
peppen wrote:
Nice! |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Wed Feb 04, 2015 12:16 pm Post subject: |
|
|
peppen wrote:
First set back. As suspected this set up does not focus to in portrait distance with a 80mm lens (3 1/2"). Its just a regular macro setup.
Crop
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Thu Feb 05, 2015 9:05 pm Post subject: |
|
|
peppen wrote:
After the bummer yesterday today's mystery 150mm lens delivers.
Last edited by peppen on Thu Feb 05, 2015 9:31 pm; edited 1 time in total |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Thu Feb 05, 2015 9:10 pm Post subject: |
|
|
peppen wrote:
Just a test of the framing shot in moon light mixed with a row of 60w garden light posts at iso 6400 and 1/20.
The biggest reflexsion in the eye is the moon.
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Thu Feb 05, 2015 9:23 pm Post subject: |
|
|
peppen wrote:
This is a 400% paint crop from the jpeg straight from the camera taken whit no lens hood. The blur is down to 2-3 pixels. The light is a row of LED lights equivalent to maybe 15W. Hopefully with a lens hood and shot i raw and proper light this could be reduced down to 1-2 pixels.
The lens
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Sat Feb 07, 2015 8:17 pm Post subject: |
|
|
peppen wrote:
Storm today during test shots. Managed to get blur down to 2-3 with lens hood and and raw files. I still have feeling there is a tad more to be squeezed out. Color an contrast seems good thou.
Crop 100%
Crop 100%
Crop 100%
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Sat Feb 07, 2015 8:17 pm Post subject: |
|
|
peppen wrote:
What do you guys think? |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Tue Feb 10, 2015 9:28 pm Post subject: |
|
|
peppen wrote:
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Sun Feb 15, 2015 6:46 pm Post subject: |
|
|
peppen wrote:
Pew. Today I finaly god down to 1-2 pixels sharpens. Thats on par with the best test images from top of the line FF lenses I've seen. Conditions where 100% clouded winter sky facing the position of the covered sun. The mystery lens is a technical Rodenstock 1:4.5 ca 150mm
200% crops
 |
|
| Back to top |
|
|
peppen
Joined: 14 Jan 2015
Posts: 34
Location: Sweden
|
| Posted: Sun Feb 15, 2015 11:14 pm Post subject: |
|
|
peppen wrote:
I just did a benchmark with some competing lenses on https://pixelpeeper.com/.
I looked for natural light portraits in the first 20 pages for each lens. The lenses were Canon 100mm f2.8 L macro, 135mm f2.0, 180mm f3.5 macro and Carl Zeiss 100mm f2.0.
The best one I found was this https://www.flickr.com/photos/7142211@N07/8395684883/sizes/o/ taken with the 135mm f2.0 on a 5d II
200% crop from my latest build as a comparison. The images got a similar composition and framing.
I know this is highly subjective and lacking scientific rigor but I'm surprised to see how well my build stands up against the competition. |
|
| Back to top |
|
|
tromboads
Joined: 29 May 2012
Posts: 1655
Location: Melbourne AU
Expire: 2015-10-01
|
| Posted: Mon Feb 16, 2015 12:26 am Post subject: |
|
|
tromboads wrote:
With great resolution comes great responsibility 
But are any of these really useful for portrait work? I assume you have a studio set where you can set the focus carefully and direct the model within the frame? |
|
| Back to top |
|
|
|
|
|
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
|
Search
Memberlist
Register
Profile
Log in to check your private messages
Log in
