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I have a very nice 35 mm nokia camera with a zoom lens and lately when i get the pics developed, the pics come back blank or black. what could be the problem?

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Black pictures mean under exposed or un- exposed film

Underexposed film can mean incorrectly set up or metering failure
Un exposed film simply means the shutter has failed
Open camera and look through the back and operated the shutter
Does it work?

Posted on Sep 02, 2008

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This 14 year old camera, does not have a zoom lens. It has a 5,5 mm lens, giving it a angle of view of about a 35 mm lens of a Full frame camera. However, you should be able to zoom digital 2 times.
I can't find a manual, to help you on this, but the quality will be the same as cropping into a frame on your computer. So if you do put the pictures on a computer, you also can "zoom" in to the parts you want. Be aware a 1 megapixel camera, does not offer that much of detail.

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Lens needs are determined by the type of photography one shoots. Example, for my needs I use three prime lens, 35 mm, 50 mm, and 100 mm. Sold all my zoom lens purchased primes.

The question is what are you attempting to capture? On a zoom lens look towards a constant aperture, not one when we zoom the aperture changes.

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Nikon EM (1979?) When I zoom out with my lens, the picture in the viewfinder is very blurry.


What happens when you turn the focus ring? And just out of curiosity, how are you getting to a 30mm setting on a 35-105mm lens?

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If you had a compact camera it would say 10x zoom what is the equivilent in a 70mm -300mm tamron


A 35-80 mm lens is 2.3X zoom. Divide 80 by 35 and you'll get the result.

It is usually better to know what the focal length of a lens in "35 mm equivalent" is and judge by that, rather than relying on the "X" power of the lens. For instance, most point and shoot cameras start at about 35 mm and have either a 3X or 4X zoom. This would make it a 35-105 or a 35-140. I've seen some that start at 28 mm, though. A 3X starting at 28 mm is 28-84 and a 4X is 28-112. Neither one is a particularly strong telephoto lens and the 4X is just about the same as the 3X that starts out at 35 mm.

It's also important to realize that tradition dictates that lens focal lengths are usually expressed in terms of "35 mm equivalent," where "35 mm" refers to a 35 mm film camera. This is because of the relation between the sensor size and the actual focal length of the lens and the resultant angle of view of the lens.

I have one point & shoot that is actually a 5.8-24 mm zoom. This is a 4X zoom. The 35 mm equivalent is 28-116 mm. The sensor is 7.2x5.3 mm. (1/1.8") (And I wish I knew someone who could explain how the heck they came up with sensor size terminology!)

I have another point & shoot that is actually a 5.7-17.1 mm zoom. This is a 3X zoom. The 35 mm equivalent is 34-102 mm. "How could a shorter focal length give a longer 35 mm equivalent?" you might ask. It's because the sensor is only about 5x4 mm. (1/2.5")

I have a few Nikon DSLR's and - thankfully - they all have the same size sensor. They all have a "lens factor" of 1.5. This means that you just multiply the actual focal length of the lens to get the 35 mm equivalent and then you can make comparisons accurately from camera-to-camera. Most Canon's, for instance, have a lens factor of 1.6. On a Nikon DSLR, a 28 mm lens is the "35 mm equivalent" of a 42 mm lens. On most Canon DSLR's, the same 28 mm lens is the equivalent of a 45 mm lens.

These example are just to show you how freaking confusing it can all become if you try to make sense of the "X" power of a zoom lens.

Bottom line...

Check the 35 mm equivalent specifications for the lens. This way, you will be leveling the field and comparing apples to apples. More or less.

Jul 10, 2012 | Tamron 75-300mm f/4.0-5.6 LD Lens for...

2 Answers

Portrait


Well if 1x = 35mm, then 4x = 140mm

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