Nikonos experts wanted!

basiltan · Sep 2, 2003

My Nikonos V flooded and I had it repaired. But after it came back, something's not right but the local Nikon service centre claims it's okay.

When I take a picture ,using the standard 35mm lens, above water, the picture turns out okay. But underwater, with lens set to infinite focus, the focus is out. What gives?

agstreet · Sep 3, 2003

A bit more information please. You're saying the 35mm lens works OK on land but doesn't work underwater. This doesn't really make sense because the 35mm lens is basicially an air lens behind a glass plate, which allows it to work the the same underwater as it does above water.

Were your above water photos really that great after the repair?

sealkie · Sep 3, 2003

rather than the camera shaking - what shutter speed - what F-stop ? what is out of focus ?

sample ...

walt williams · Sep 3, 2003

give these guys a call -- they're, IMHO, the very best -- they wrote the book on the Nikonos:

http://www.southern-nikonos.com/

blacknet · Sep 3, 2003

Hello,

I have direct experience with sub aquatic in cali. They do excellent work and could probably tell you on the phone what's wrong.

Ed

basiltan · Sep 5, 2003

agstreet once bubbled...
A bit more information please. You're saying the 35mm lens works OK on land but doesn't work underwater. This doesn't really make sense because the 35mm lens is basicially an air lens behind a glass plate, which allows it to work the the same underwater as it does above water.

Were your above water photos really that great after the repair?

Exactly! Why with the same Auto setting with infinite focus (f2.5) have different results? The photos above water was in focus, meaning like taking a picture with a normal auto land based camera.

Underwater results were blur, fuzzy images, with the same setting.

basiltan · Sep 5, 2003

sealkie once bubbled...
rather than the camera shaking - what shutter speed - what F-stop ? what is out of focus ?

sample ...

The camera was set on Auto, f2.5, infinite focus distance. I don't think it is camera shake as all the underwater images are blured and fuzzy.

basiltan · Sep 5, 2003

walt williams once bubbled...
give these guys a call -- they're, IMHO, the very best -- they wrote the book on the Nikonos:

http://www.southern-nikonos.com/

It's a great informative site...for Nikonos users. Thanks!

sealkie · Sep 5, 2003

You say the camera was set to auto - I assume all the underwater shots were taken on the same dive - what were light conditions like ?

What film were you using

Were you using a strobe

Did you notice what shutter speed the camera was using ?

You may have had enough light on land to use F2.5 with auto shutter and the shutter speed was fast enough for there to be no shake. Once underwater the light could have been cut enough that the shutter speed was down to less that 1/30 and the camera shake is causing the blur. Underwater I can`t shot at less 1/60 without.

What was the subject matter ? Using F2.5 you have a shallow depth of field - you said you had set infinate focus - so only stuff in the distance will be in focus using those settings.

Can you scan and post a sample ?

I will add - Southern Nikonos may be good but they are rude - the guys at sub aquatic in Ca are wonderful - www.subaquaticcamera.com

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