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There are 2 lenses in the viewfinder, how should they be placed in the barrel

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You have several eyepieces with numbers written on them. You probably have a barlow with 2X written on it, and you probably have a diagonal.

Put the diagonal in the telescope, then put the eyepiece with the largest number into the diagonal. DO NOT USE the 2X barlow - it won't work in your small telescope.

Posted on Jul 16, 2009

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Posted on Jan 02, 2017

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What are the differences between viewfinder and rangefinder cameras?


A rangefinder is a camera that has a rangefinder mechanism. This is a device that measures subject distance. Through this device, you see two images. When the two images coincide through moving the dial, the correct distance is displayed. On older cameras, this was a separate device and one must transfer this to the lens.
Now they are built into the viewfinder. You have different viewfinders for different focal lengths (zoom lenses are difficult, as a result).
A viewfinder is what the photographer looks through to compose, and in many cases to focus, the picture. Most viewfinders are separate, and suffer parallax, while the single-lens reflex camera lets the viewfinder use the main optical system.

Apr 10, 2018 | Cameras

2 Answers

Sony DCR-TRV250E.


was the problem the lense cap, or you do still need assistance?

Mar 28, 2008 | Sony Handycam DCR-TRV19 Mini DV Digital...

1 Answer

My canon lens 28-135 produces focused pictures but looks fuzzy in the viewfinder...is there something that has to be cleaned?


If your camera has a viewfinder diopter adjustment (small wheel a the side of the viewfinder) try moving this up and down to see if that corrects the problem

Sep 03, 2010 | Canon 28-135mm f/3.5-5.6 EF IS USM AF Lens

1 Answer

My camera will not focus. I have a 50mm lens and 200mm and neither will focus


Which exact lenses are you trying to use? The N2000 (aka F301) is a manual focus camera so if you're trying to use autofocus lenses you have to focus them manually. Sorry if this seems an insulting suggestion, but you did state "my camera will not focus" and I've learned that on FixYa it's best not to assume any prior level of knowledge with regard to those who post questions.

The next thing to check is whether the viewfinder has an eyecup attached, if so slide it upwards to remove it as sometimes they have a corrective lens fitted if the previous user needed corrective optics. If your vision is fine (with glasses/contact lenses if necessary) then a corrective lens on the viewfinder may make things look blurry.

Other than that, the only other possible cause (other than a pair of broken lenses) is if the focussing screen has become dislodged downwards (or somehow fitted upside-down) then the viewfinder image will be unsharp. Officially the F301/N2000 had a fixed focussing screen but it could be replaced with one of three designed for the higher specified F501 (which does have autofocus), and if not seated correctly you'd get the focussing issue you describe.

You can test if the focussing screen is the problem in one of two ways:-
1. A visual inspection (you may need to get a more experienced photographer to take a look at it);

2. Set the lens to focus at infinity and at the widest possible aperture and take a photograph of a distant object (ignoring the blurred viewfinder). process the film and inspect the photo. If it's sharp then you have a focussing screen problem. If not, then it's a lens problem.

If the problem is a poorly fitted focussing screen then it may just need reseating or to be removed and refitted. It's vital to do this in a dust free environment and to avoid getting fingerprints on the screen. Some screens sit in a hinged frame which then clips into place when pushed up, others push into a pair of clips towards the top rear and then the front is held in place by a spring clip: it's been a long while since I worked on the F501 or F301 so I don't recall which system is used.

Courtesy of Norman Butkus' website, click here for a free Nikon N2000 user manual.

I hope that you've found my answer to be of use, if so please return the favour by rating my answer.

Feb 06, 2010 | Nikon N2000 35mm SLR Camera

1 Answer

The auto focus works fine- it will not auto or


Hi I am SAGHA camera repairer from mumbai,I think your sigma 18-125 dc lens is having electronically operated aperture unit in which one Film PCB runs from mount contacts to aperture unit.Due to multifolds of that film inside the barrel the film gets cracked at one fold location So either you have to get that film changed or the whole aperture unit replaced from an expert.give me feedback for this tip Vote me if you found it useful,ALL THE BEST.

Nov 11, 2009 | Sigma 18-125/3.5-5.6 DC Aspherical IF Zoom...

1 Answer

Have Tasco model 5VTE. Been dismantled and two (field?) lenses are in the barrel end. Which way round should they be refitted?


Usually the "flat" side points at each other or are assembled together.

NEVER remove the lenses from a telescope, without noting which way they were placed inside the tube.

Nov 04, 2009 | Optics

1 Answer

The lcd monitor turns off when placed back against the camera and the viewfinder turns on


try these:-
  • connect it to pc and on it
  • vaccum the barrel of lens
  • changing mem. card and batt. for 2min.
  • shake it.
  • on and off in different positions

Oct 22, 2009 | Canon PowerShot S51S Digital Camera

1 Answer

When i look through the viewfinder of my D60, the


There are 2 possibilities. The viewfinder lenses are dirty or, depending on the model, there is an adjuster, right at the viewfinder, to adjust the focus of the viewfinder. It has NOTHING to do with the picture, only the viewfinder.

Oct 18, 2009 | Cameras

1 Answer

Viewfinder shows a inkstain


Check/clean the mirror first, then the viewfinder and the lense. If the stain doesn't show on pictures, it's probably just in the mirror or the viewfinder and doesn't affect the pictures.

Jun 24, 2009 | Pentax Photography

1 Answer

My Casio digital camera QV-R41 lcd viewfinder does not work


Turn the dail to a different position and try again.

Does your lense open up 100%. If not , clean the outside (around) the lense and turn on and off a few times.

If you feel the lense does not retract 100% or does not open up 100%, push it or pull the lense NOT too hard a few times.

Good luck!!!!!!!!

Jun 12, 2009 | Casio Exilim EX-S600 Digital Camera

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