The ten quid lens thread.


TOZZA27

Link Posted 13/11/2010 - 19:52

K20D,*istD ( now a dedicated M42 digital ),K100D,MZ5N,P50,ME Super,Spotmatic 1000,Spotmatic,ESII,ES,H2.18-55 II,18-55,75-300 FAJ,35-80 FA,80-200 F,28-105 FA,Sigma 24-70 AF Aspherical,Sigma 28-300 Hyperzoom , Praotor II 500 M42,Centon 500mm mirror,and a few Pentax M42 Taks,super-Taks,smc Taks,A and M lenses.Benbo trekker,7dayshop monopod and a Lowepro rucksack.

I am now on Flickr which is nice !

petrochemist

Link Posted 13/11/2010 - 21:18
mowog wrote:
Yeah, that's right... It's my club and I don't want no hairy faced loon polluting it with enlarging lenses and Heath Robinson jobs, made out of driveshaft gaiters and jubilee clips!. MINE, d'ya hear. ALL MINE!!. I can make the rules up as I go, if I want. I'm the Boss!.... MWAHAHAHAHA!!!


That photos very old! The beard went about 15 years ago &I don't think I'll need the jubilee clips either.

Meanwhile I'll have to see if I can find where I left the Photax - It's probably buried under a steering gaiter...

Mike
Mike
.
Pentax:K5ii, K7, K100D, DA18-55, DA10-17, DA55-300, DA50-200, F100-300, F50, DA35 AL, 4* M50, 2* M135, Helicoid extension, Tak 300 f4 (& 6 film bodies)
3rd Party: Bigmos (Sigma 150-500mm OS HSM),2* 28mm, 100mm macro, 28-200 zoom, 35-80 zoom, 80-200 zoom, 80-210 zoom, 300mm M42, 600 mirror, 1000-4000 scope, 50mm M42, enlarger lenses, Sony & micro 4/3 cameras with various PK mounts, Zenit E...
Far to many tele-converters, adapters, project parts & extension tubes etc.

.[size=11:].Flickr WPF Panoramio

mowog

Link Posted 04/12/2010 - 21:01
This peculiar looking thing, is a Super Yashinon R 13.5cm f3.5... And It's bloody fantastic!..

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Strictly speaking, this is not a 'No name' lens. Yashica is a very well known and respected optical manufacturer, but it cost 8 and I want to show it off!
I can find nothing about this lens on the web. It's a bit of a mystery. It is of the pre-set type, weighs 347 grammes and has T2 M42 screw fitting. I don't know how old it is, but I would guess 1950s?

Here are some test shots, using Mowog's patented infallible shoe box test.

@f3.5
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@ f8
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100% crops to come a bit later, when Photobucket stops messing me about.
No man is worth his salt, who has not been banned from at least one Forum, and two Flickr groups.

Mowog.

Algernon

Link Posted 04/12/2010 - 21:19
You won't find a bad Yashica lens they were all made by Tominon
The R probably refers to the number of elements.

I've never seen any that were pre-sets though. Probably 50's as you say.
Yashica were very advanced and had electronic cameras in the early 60's.
I can't remember what camera's they had before the Yashica TL's which
had Auto lenses like Pentax and LED's in the viewfinder instead of needles.
Half Man... Half Pentax ... Half Cucumber

Pentax K-1 + K-5 and some other stuff

Algi
Last Edited by Algernon on 04/12/2010 - 21:20

mowog

Link Posted 05/12/2010 - 00:22
Tomioka/Tominon, eh!. Thanks for that, Algi.

Here are a couple of crops.

Crop @ f3.5
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Crop @ f8
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I am blown away by how good this simple four element lens is. Within the limitations of the shoebox test, it is easily as sharp as any of the modern complex multi- coated lenses I have tested with this method.
My only complaint about this lens, is that the minimum focus distance of 6ft will not allow me to exploit the bokeh that would no doubt be produced by the beautiful 14 blade iris.
I will certainly be looking out for more of these Tominon Yashica lenses.
No man is worth his salt, who has not been banned from at least one Forum, and two Flickr groups.

Mowog.

Smeggypants

Link Posted 05/12/2010 - 01:02
I recently got hold of one of these... the preset aperture version on the right

Takumar 105/2.5




I just need to get an M42 to K adaptor now to try it out.
[i]Bodies: 1x K-5IIs, 2x K-5, Sony TX-5, Nokia 808
Lenses: Pentax DA 10-17mm ED(IF) Fish Eye, Pentax DA 14mm f/2.8, Sigma 17-70mm f/2.8, Pentax-A 28mm f/2.8, Sigma 30mm F1.4 EX DC, Pentax-A 50mm f/1.2, Pentax-A 50mm f/1.4, Pentax-FA 50mm f/1.4, Pentax-A 50mm f/1.7, Pentax DA* 50-135mm f/2.8, Sigma 135-400mm APO DG, and more ..
Flash: AF-540FGZ, Vivitar 283

mowog

Link Posted 05/12/2010 - 01:56
That's a lovely lens, Smeggy. - If you got it for ten quid, I'm gonna scream!
No man is worth his salt, who has not been banned from at least one Forum, and two Flickr groups.

Mowog.

Algernon

Link Posted 05/12/2010 - 10:03
Anything with Tomioka actually on the lens goes for daft money
300 - 500 Ouch!!!

http://www.tomioka.de/tomioka_e_main.htm?action=news

For a SHARP 50mm/55mm at f/1.7 - f/1.7 Old M42 Yashinons are
hard to beat. Unfortunately no manual/auto switch and some
of the pins can't be pushed out of the way. Gluing might
work, but if it comes off and goes in your camera it could
do some damage to the mirror etc.
Half Man... Half Pentax ... Half Cucumber

Pentax K-1 + K-5 and some other stuff

Algi
Last Edited by Algernon on 05/12/2010 - 10:05

gillbod

Link Posted 06/12/2010 - 17:34
right, well i don't satisfy the 10 quid mark, but i guess the point of the thread is exotic lenses.

this is a lens made for a russian nightvision scope, which very conveniently takes m42 threaded lenses:



i make it roughly a 100mm f/2 lens by guesstimating. it doesn't have an aperture.

what's interesting about the lens is the ridiculous amount of field curvature. the edges can be completely out of focus, while the centre can be relatively sharp:







make of that what you will.
k7, 15/4, 31/1.8, 70/2.4, 200/2.8, Metz 58

rparmar

Link Posted 06/12/2010 - 19:42
gillbod wrote:
what's interesting about the lens is the ridiculous amount of field curvature. the edges can be completely out of focus, while the centre can be relatively sharp

That's wacky but dying to be used for a portrait.
Listen to my albums free on BandCamp. Or visit my main website for links to photography, etc.

doingthebobs

Link Posted 06/12/2010 - 19:58
Any more details on that night vision scope lens?

Like, name, what it is designed to fit on, Where it might be found?
Bob
Last Edited by doingthebobs on 06/12/2010 - 20:05

thoughton

Link Posted 06/12/2010 - 21:07
gillbod wrote:
this is a lens made for a russian nightvision scope, which very conveniently takes m42 threaded lenses:

That's fantastic, I want one Kinda like a telephoto lensbaby.

I predict some increased prices for night vision scopes in the near future

Edit: I think I found one:


$500+ BIN Not quite the tenner I was hoping for
Tim
AF - Pentax K5, Sigma 10-20/4-5.6, Tamron 17-50/2.8, Sigma 30/1.4, Sigma 70-200/2.8, Tamron 70-300/4-5.6
MF - Vivitar CF 28/2.8, Tamron AD2 90/2.5, MTO 1000/11
Stuff - Metz 58 AF1, Cactus v4, Nikon SB24, Raynox 150, Sigma 1.4x TC, Sigma 2x TC, Kenko 2x macro TC, Redsnapper 283 tripod, iMac 27, Macbook Pro 17, iPad, iPhone 3G
Flickr Fluidr PPG Street Portfolio site
Feel free to edit any of my posted photos! If I post a photo for critique, I want brutal honesty. If you don't like it, please say so and tell me why!
Last Edited by thoughton on 06/12/2010 - 21:16

doingthebobs

Link Posted 06/12/2010 - 21:33
But I only want the lens bit!
Bob

mowog

Link Posted 06/12/2010 - 22:11
That is an interesting lens. I hope you didn't pay much more than a tenner for it, tho'.
No man is worth his salt, who has not been banned from at least one Forum, and two Flickr groups.

Mowog.

gillbod

Link Posted 07/12/2010 - 10:08
it is quite a fun little lens. i paid 35 euros for it (30 gbp), and got it from a dutch seller of nightscopes (http://www.erebus-nachtzicht.nl/)

also available on these nightscopes is the cyclop 85/1.5, which is basically the helios 85/1.5, but without an aperture.

some of the nightscopes also come with the standard helios 58/2.

you have to be careful with the russian nightscope lenses, because some of them have protruding back elements which prevent you from mounting them.
k7, 15/4, 31/1.8, 70/2.4, 200/2.8, Metz 58
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