GXR A12-M + Zuiko OM 50mm Macro setup

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GXR A12-M + Zuiko OM 50mm Macro setup

Postby Ksnow » Fri Apr 06, 2012 6:00 pm

Just for fun I thought I'd see if my old Zuiko 50mm f1,8 might be able to serve as a macro lens. I have the complete set of OM extension tubes, but decided to use only the 25mm with this setup. To stabilize everything, the rig was on a tripod, and I used a tripod collar purchased on eBay ($7 USD) clamped around my COMA OM to M lens adapter. In the first two images you can see the setup. The third was taken with the A12-M in "A". Lighting was window light with no fill. Lens aperture f8. ISO 400. Exposure time 1 second. Focus assist used. CA-1 used to minimize vibration. All images here are from jpg files. No sharpening was added to the actual macro image.

I also dragged out my old Olympus Macro Twin Flash, but a piece needed to be re-glued so it'll be a few hours before I can try it. Stayed tuned. I'll post the results later. :D
Attachments
DSCN5993_8191 sm.jpg
Front view of setup.
DSCN5993_8191 sm.jpg (309.75 KiB) Viewed 295 times

EXIF-Data
Image taken on: Fri Apr 06, 2012 10:50 am
Focus length: 7.5 mm
Shutter speed: 1/60 Sec
F-number: F/5.4
ISO speed rating: 200
Whitebalance: Auto
Flash: Flash fired, auto mode
Camera-model: COOLPIX P5100
Exposure program: Aperture priority
Exposure bias: 0 EV
Metering mode: Pattern
DSCN6005_8198 sm.jpg
Top view of setup.
DSCN6005_8198 sm.jpg (348.94 KiB) Viewed 297 times

EXIF-Data
Image taken on: Fri Apr 06, 2012 10:57 am
Focus length: 7.5 mm
Shutter speed: 1/60 Sec
F-number: F/5.4
ISO speed rating: 200
Whitebalance: Auto
Flash: Flash fired, auto mode
Camera-model: COOLPIX P5100
Exposure program: Aperture priority
Exposure bias: 0 EV
Metering mode: Pattern
R0015471_8200 sm.jpg
Taken w/A12-M + Zuiko 50mm + 25mm exten. tube. ISO 400. 1 second at f8.
R0015471_8200 sm.jpg (388.08 KiB) Viewed 300 times

EXIF-Data
Image taken on: Fri Apr 06, 2012 9:45 am
Focus length: 0 mm
Shutter speed: 1/1 Sec
F-number: F/1
ISO speed rating: 400
Whitebalance: Auto
Flash: Flash did not fire, compulsory flash mode
Camera-model: GXR MOUNT A12
Exposure program: Aperture priority
Exposure bias: 0 EV
Metering mode: Pattern
Amitiés,
Ken
Ksnow
 
Posts: 287
Joined: Wed Dec 15, 2010 3:17 pm
Location: Columbus, Ohio USA

Re: GXR A12-M + Zuiko OM 50mm Macro setup

Postby autochrome » Fri Apr 06, 2012 6:35 pm

Veri good macro with a standard lens! OM Zuiko's are greats,i have some one,and happy with his;
thanks for trying experience !
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autochrome
 
Posts: 131
Joined: Wed Mar 07, 2012 7:02 pm
Location: France

Re: GXR A12-M + Zuiko OM 50mm Macro setup

Postby Ksnow » Fri Apr 06, 2012 9:24 pm

The glue repair held so here's the Macro Twin version. Note that over to the left in the first image is a small, black squarish Quantum Battery which is powering the "modeling" lights in the twin flash units, which enhance manual focusing. This is the reason they are white (switched on). The second image is the "subject POV". The last is the one taken by the GXR with the macro flash providing the light. This time: ISO 200, shutter speed 1/125, aperture f16. Even at its lowest setting, the flash was too powerful to use a wider aperture. Focus assist used. Again, this is the jpg out of the GXR which did not receive focus enhancement. Of course, there is no TTL control of the flash--strictly manual. I know it looks very "Rube Goldberg-ish" but it works well. :lol:
Attachments
DSCN6016_8203 sm.jpg
Macro Twin Flash setup.
DSCN6016_8203 sm.jpg (310.53 KiB) Viewed 267 times

EXIF-Data
Image taken on: Fri Apr 06, 2012 2:34 pm
Focus length: 7.5 mm
Shutter speed: 1/60 Sec
F-number: F/5.4
ISO speed rating: 200
Whitebalance: Auto
Flash: Flash fired, auto mode
Camera-model: COOLPIX P5100
Exposure program: Aperture priority
Exposure bias: 0 EV
Metering mode: Pattern
DSCN6031_8204 sm.jpg
POV of subject.
DSCN6031_8204 sm.jpg (279.67 KiB) Viewed 271 times

EXIF-Data
Image taken on: Fri Apr 06, 2012 2:43 pm
Focus length: 7.5 mm
Shutter speed: 1/60 Sec
F-number: F/4.8
ISO speed rating: 200
Whitebalance: Auto
Flash: Flash fired, auto mode
Camera-model: COOLPIX P5100
Exposure program: Aperture priority
Exposure bias: 0 EV
Metering mode: Pattern
R0015475_8206 sm.jpg
GXR + Zuiko OM 50mm f1.8 + Olympus Macro Twin Flash. ISO 200, 1/125, f/16.
R0015475_8206 sm.jpg (452.04 KiB) Viewed 268 times

EXIF-Data
Image taken on: Fri Apr 06, 2012 1:27 pm
Focus length: 0 mm
Shutter speed: 1/125 Sec
F-number: F/1
ISO speed rating: 200
Whitebalance: Auto
Flash: Flash did not fire, compulsory flash mode
Camera-model: GXR MOUNT A12
Exposure program: Manual
Exposure bias: 0 EV
Metering mode: Pattern
Amitiés,
Ken
Ksnow
 
Posts: 287
Joined: Wed Dec 15, 2010 3:17 pm
Location: Columbus, Ohio USA


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