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Old Oct 24, 2005, 3:48 PM   #1
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Hi

Can I use Nikon 5T for Panasonic FZ20 camera for macro shots?



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Old Oct 24, 2005, 4:03 PM   #2
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Yes ....as long as you have the correct size for your camera or adapter...or the correct stepdown ring.
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Old Oct 24, 2005, 4:27 PM   #3
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Thanks. The reason for the above question is , when i go beyond 2x, everything goes blur? Even I try to go nearer to the subject.

Give some tips

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Old Oct 24, 2005, 4:33 PM   #4
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what camera mode are you using? how far are you from the subject? the Nikon 5t/6t should allow you to focus somewhere between 10 and 14 inches from the subject, with full zoom.
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Old Oct 24, 2005, 4:44 PM   #5
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Thanks for your reply.

I have used camera's macro mode.

Here i am posting the pic and the exif info. when i go beyond 2x, the subject goes blur?

Exif info

Exposure Time: 1/20
F Number: F2.8
ISO: 100
Metering: Spot
Light Source: Tungsten
Focal Length: 14.7mm
Focal Length In 35mm Film: 88mm
Exposure Bias Value: +0.66EV
Flash: Flash did not fire
Resolution: 1280x960


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Old Oct 24, 2005, 4:58 PM   #6
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remember that the depth of field is VERY shallow when using a close-up lens like this. the picture you posted shows a portion of the watch dial in clear focus, while the portion farther from the lens is blurred. this is normal. to really see if there's a problem, set up a subject that is perpendicular to the lens, preferably a flat surface with some details to test clarity. then set up your camera 10-14" away (i have a Nikon 6T, and it focuses at about 12"), focus, and zoom. if the subject blurs and cannot be brought into focus, try moving the camera forward or back very slightly. the depth of focus is very shallow -at full zoom, not more than a centimeter or so -and it doesn't take much movement to bring it into focus (or out).

if this doesn't help, there may be something else wrong.
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Old Oct 24, 2005, 5:04 PM   #7
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Thanks for your reply. Let me try once again.
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Old Oct 24, 2005, 5:19 PM   #8
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The fz series macro mode is very limited. At full wide angle (1x) it works okay in that you can focus very close (1mm-2mm)from the subject. But as you increase zoom, you must also increase the distance to the subject (ie, move the camera back), which effectivelymakes the macro mode useless. The fix is to attach a close-up lenssuch asthe nikon 5t to the camera. The 5t is a 1.5 diopter lens with a focus distance of about .67m (22"). This will allow you to focus from that distance throughout the zoom (ie, 1x-12x) and gives the fzexcellent macro capability. For the fz20 you will need an adapter that will accept the 62mm threads on thecamera end of the 5t. IMO, a strongerclose-up lens like the 3 diopter nikon 6t is more useful. Same 62mm threads.
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Old Oct 24, 2005, 6:07 PM   #9
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thanks, Fred, i wasn't sure how close you can focus with the 5T, i know the 6T is about a foot...


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Old Oct 31, 2005, 11:15 PM   #10
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Just want to brush up my knowledge. The working distance calculation is like this

1000 / 1.5 / 25.4 = 26.24 inches = 0.66 m = 66 cm

and magnification is

420 * 1.5 / 1000 = 0.63.


The working distance means, I have to keep the camera away from the subject at around 26 inches.

Am i right?

Please clarify.
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