Almost a gift horse, I am glad I checked it's mouth!

John King

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I passed a British Heart Foundation shop in Durham there were a number of oldish cameras in the window with a sign saying 'Make us an offer' The only one that caught my eye was a Nikon D90. Well used but in reasonably OK-ish shape externally. No strap, but with a body cap. The rest were a mish mash of instamatics and plastic 110's. I went and asked what was wrong with the D90 and the assistant didn't know but got it out of the window for me. It was not working because the battery was jammed in the housing. and was corroded and split. It wouldn't switch on, which was not surprising. I offered a tenner and walked away with it. That was 3 months ago.

I didn't touch it again until the end of September. I started by trying to remove the battery but it wouldn't shift at first so I had little to loose really so I drilled into the base of the battery and used a large screw extractor to pull it out. I tried cleaning inside the battery compartment with isopropyl alcohol in on a cotton bud and that worked - but very slowly. It took me about 5 days off and on, 1 full tub of cotton buds and a lot of fiddling to get all the crud out.

The battery contacts at the bottom were not too bad and they cleaned up easily. I still had 4 x EN-el3E batteries left over from when I got rid of my D700. There was still some life left in them and when I switched it on the camera came to life. I don't have any cropped frame lenses but my 24/120 fitted, focussed and worked as it does. I thought the screen was a bit odd, unlike any screen I have ever seen on a DSLR then I realised that it had a split image range finder. The screen range finder does correspond with the auto focus so there not a lot wrong.

Do you know if a D90 will use manual Nikon fit focus lenses? I suppose in fully manual mode it may be possible.

I did a shutter count and it came back to over 77,000, so yes it has been well used, the leatherette in the back of the body was worn smooth and lifting slightly, the camera now works it does not appear to have corrupted any of the features and happily the sensor is clean. but for a tenner I cannot complain.
 
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This is one of the 1st images I took with my £10 bargain. The lens was my 24/120 F4 constant aperture Nikkor. The contrast as you can imagine was very strong but using RAW it was kept under control and the black smoke uses as a lens hood to stop the sun shining right into the lens. I think I got a bargain here.
Yes the smoke was as black as this, it is some rubbish that has been imported from Columbia. In Durham underneath where I was standing about 200 feet down is a 4 foot seam of good steam coal.
 

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John,

You are a lucky man for two reasons, first you did get a bargain.

Second you drilled a hole ( I assume using a metal drill bit) into a deep discharged Lithium cell that was ruptured and leaking and it didn't react like the Columbian coal ! I hope it is now well away from anything that could be damaged.

The best way to extract swollen cells is the super glue something to the end of the cell and pull it out, but do it outside wearing some goggles and away from anything that could be damaged.

From memory the D90 could use manual lenses and even had the screw drive for older Nikon AF lenses
 
Hyperlink to Ken Rockwell's D90 page:
"... The D90 works perfectly with all traditional AF, AF-I, AF-D and AF-S lenses.

AF-P Stepper (Pulse) autofocus motor lenses are useless on this camera because they can't even be focused manually.

There's no metering or EXIF data with manual focus AI or AI-s lenses, you need at least a D300 to use these well. Then again, you always can guess exposure and correct based on looking at the LCD on playback, or play with it even faster in Live View, or you can buy a small light meter which will slip into the hot shoe.

The D90 has the same lens compatibility as the D80, D70, D100 and D50, which is better than the D40/D60, but worse than the D300.

The D90 provides automatic correction of lateral chromatic color fringes. ..."
 
As I found out the insides of an EN EL3e battery are arranged in two vertical columns with little between them. (like my 3 ears:eek: ) Hence the 'kidney shape.' All connections are at the end away from where I drilled and I judged the battery was well and truly shot in other words dead as a Do-Do. Yes in hind-sight it was a little risky, but it was worth it in the end. The battery, what is left of it, is residing in the local recycling centre where they were happy to take it off my hands. It is in a bin with several thousands of others (of all types) waiting to go where dead batteries have their final resting place

The D90 cannot be set up to 'read' fully manual lenses in the same way as my D800, where it can be reprogrammed using the settings on the rear screen, but almost certainly can be used in the manual mode with centre weighted metering. And yes it has the screw drive for all the older AF lenses. It works quite happily with my 3 other AF-D lenses.
 
Hyperlink to Ken Rockwell's D90 page:
"... The D90 works perfectly with all traditional AF, AF-I, AF-D and AF-S lenses.

AF-P Stepper (Pulse) autofocus motor lenses are useless on this camera because they can't even be focused manually.

There's no metering or EXIF data with manual focus AI or AI-s lenses, you need at least a D300 to use these well. Then again, you always can guess exposure and correct based on looking at the LCD on playback, or play with it even faster in Live View, or you can buy a small light meter which will slip into the hot shoe.

The D90 has the same lens compatibility as the D80, D70, D100 and D50, which is better than the D40/D60, but worse than the D300.

The D90 provides automatic correction of lateral chromatic color fringes. ..."
Yes I know the camera will work with all the lenses you have marked in blue, I am thinking about the manual focus AI and AIS lenses used before AF. I understood that these could be used with Centre Weighted Metering in manual mode or as you suggest a separate hand held meter. It is all academic really because I don't own any and what I do have are all AF.
I like wide angle lenses so that will be my next target. Nikon apparently used to make a decent 12-24mm (apparently better than the current 10-12mm and one of those will fit in quite nicely with my 24/120
 
The Ken Rockwell page I hyperlinked earlier has an associated page which shows lens compatibility here: https://www.kenrockwell.com/nikon/compatibility-lens.htm#dslr

Click on the Digital SLRs link at the top of the page and scroll down to D90 which is about halfway down.

The salient information for pre-AF glass is:

Invasive fisheyes: Not compatible - will break the mirror in the camera
Pre-AI (auto indexing) - won't mount
AI converted: will mount, use camera's M mode, no meter (home converted AIs may not mount)
AI, AIs: will mount, use camera M mode, no meter

It is worth checking Ken Rockwell's page for exact details. Hope something of this helps.
 
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