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My worst lens.
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PostPosted: Wed Apr 01, 2009 10:42 am    Post subject: Reply with quote

Quote:
my worst lens is the nikkor 55:3.5

Attila wrote:
Seems you never took any bad ones if this was worst

I tried a April 1st but I am not good and nobody believed me Crying or Very sad


PostPosted: Wed Apr 01, 2009 3:37 pm    Post subject: Reply with quote

poilu wrote:
Quote:
my worst lens is the nikkor 55:3.5

Attila wrote:
Seems you never took any bad ones if this was worst

I tried a April 1st but I am not good and nobody believed me Crying or Very sad




That's what you get if you don't account for different time zones and post a joke when it's still Mar. 31st in a lot of places Laughing


PostPosted: Fri Apr 03, 2009 7:00 am    Post subject: Reply with quote

poilu wrote:
my worst lens is the nikkor 55:3.5

If this is your worst lens, all your lenses must be true JEMS!!! Shocked Very Happy

The 55 micro is quite a good performer no matter how you slice or dice it.


PostPosted: Fri Apr 03, 2009 7:42 am    Post subject: Reply with quote

shad309 wrote:
I don't think I have one now. I have gotten rid of the lenses I didn't like. The worst lens I ever had I think was a Tamron 28-200mm AF lens.


It was also re-badged as a Pentax. Not a lot of favorable users for it.


PostPosted: Thu Jan 07, 2010 4:15 pm    Post subject: Reply with quote

my worst lens is the Zenitar MC 2.8/28 (in m42 mount)
i prefer my voigtlander color-skoparex ar 2.8/28 (in rollei-qbm mount)


PostPosted: Thu Jan 07, 2010 4:37 pm    Post subject: Reply with quote

I didn't care for m42 Tokina EL 28/2.8. Way too soft even stopped down to f/8. Selling it was a relief. Also Helios 44m4 - had 2 copies, both are crap (though this edition is not the worst one).


PostPosted: Thu Jan 07, 2010 5:44 pm    Post subject: Reply with quote

metallaro1980 wrote:

i prefer my voigtlander color-skoparex ar 2.8/28 (in rollei-qbm mount)

Can you use this lens on your 5D?


PostPosted: Thu Jan 07, 2010 9:20 pm    Post subject: Reply with quote

I forgot:

1- Zoomar 2,8/36-82. At 36 mm and F/2,8, a real kaleidoscope.

2- Fujinon 2,2/55 mm. It's a 1-3 elements. I didn't like it at any aperture. And at F/2,2 it's a lens with vaseline.

3-Super dynarex 4/200. Never I took any sharp pic with it. Focus min. 8 m.

Rino.


PostPosted: Thu Jan 07, 2010 9:31 pm    Post subject: Reply with quote

what is a bad lens ?

Is that a bad one ?
http://323i.e30.free.fr/galerie/MF/Autorevuenon/TN_IMG_9251.JPG

Orio : I think you are too tough with sigma 10-20 AF


PostPosted: Thu Jan 07, 2010 10:03 pm    Post subject: Reply with quote

I understand what you want to say. And it's clear.

I think that, perhaps do not the better option, someone tells "bad" about the lens that did not arrive at a suitable representation (yes, subjective) that somebody had expectation to find in one lens like this.

And if I find that the lens doesn't have a minimal resolution power (like others with similars charactristics have), very low contrast, high distortion, you can't focus precisely, you can say that that lens ia a bad one.

Below the average. When I find that trhe rendering of a determinated lens is below the average (in comparision with the lens of same focal lengh, aperture, etc.) I say is a bad lens.

Are the best terms to use? Perhaps not, but everybody knows what a "bad" lens lens means

Rino.


PostPosted: Thu Jan 07, 2010 10:10 pm    Post subject: Reply with quote

This shot was with a 50mm Autorevuenon.
This lens lacks of resolution wide open, and is acceptable with few stop.
http://323i.e30.free.fr/galerie/MF/Autorevuenon/TN_IMG_9252.JPG

Clearly this is not a sharp lens, but anyway i love it and keep it.
http://323i.e30.free.fr/galerie/MF/Autorevuenon/TN_IMG_9249.JPG
http://323i.e30.free.fr/galerie/MF/Autorevuenon/TN_IMG_9242.JPG

If this was my only 50mm i would say it is a bad lens and would try to find other.
Finally, the "bad" depends on the use of the lens.

I had a 300mm Ifbagon, it lacks of sharpness, i sold it Smile


PostPosted: Thu Jan 07, 2010 10:41 pm    Post subject: Reply with quote

Toeteraar wrote:
My first 135 was a Makinon with a strange close-focussing mechanism. The quality of the Makinon seemed more like a no-focussing mechanism, i have not achieved one really sharp shot with it.


Was it in Konica bayonet ? And you sold it to Slovenia perhaps Wink? It had misaligned inner element and unadjusted close-focussing. It's pretty cool now Smile.

Otherwise this is the most tricky topic. There is so many things to consider before proclaiming a lens bad by default. Well i do agree that 2.8/35mm Revuenon is pretty crappy, but then again there are at least 4 or 5 lenses types holding that name Smile.

I always thought Meyer / Pentacon 2.8/29mm is unusable lens wide-open. Tested many. But few weeks ago i had very sharp sample so...


PostPosted: Fri Jan 08, 2010 12:15 am    Post subject: Reply with quote

looks like a lot of cheap 70-200 or 80-200 zooms are quite bad. Specially on digital crop sensor. They were probably made for FF film and max 10x15cm pictures


PostPosted: Fri Jan 08, 2010 12:36 am    Post subject: Reply with quote

I have a Sigma 10-20mm in EOS mount and find it very sharp even at F/5.6 at the edges. I have noticed it has a curvature of field quality and that the area of focus is not flat across the picture but rather bends towards the camera towards the edges of the frame so sometimes the centre will be in focus but the edges will not, despite there being a massive DOF.

I find grabbing a couple of each shot with a half press of shutter between each to let the lens re-focus usually results in one image having good sharpness across the image. you can end up with 3 shots where one has soft edges, one has one soft edge and one is sharp all the way across, the difference can be stark!

It might be a pain if it were any other kind of lens but for the type of work I use it for I normally have ample time to fire off a few duplicate shots and the focus bracketing always results in at least one satisfactory image.

I don't know if you would consider it a lens defect or a quirk or what but the lens definitely isn't soft, it's just harder to get everything in focus than you would expect.

I also have a Canon 70-210mm push pull AF and I think it's fantastic for what it is, very sharp wide open till about 150mm and at F/8 between 150 and 210mm, good colour and contrast and nice smooth bokeh in most situations.

Now seeing as this is a manual focus forum I would say my worst lens is a Hanimex 28mm F/2.8, it's soft soft soft and feels like it's made from toy car metal.


PostPosted: Fri Jan 08, 2010 1:30 am    Post subject: Reply with quote

Worst lens was a Focal [K-Mart] 28-70 f3.5-4.5 zoom lens. Picked it up for a song on sale at K-Mart. It could not take a sharp picture at any focal length or aperture. The maximum focal length marked as 70mm was more like 60mm. It was a very convenient size and zoom range but the image quality was so poor it was unusable. I sold it very "cheep" at a yard sale. Lesson learned!


PostPosted: Fri Jan 08, 2010 2:12 am    Post subject: Reply with quote

A 4/300mm Makinon. Never got a beginning of sharp image at all the apertures ... I sold it . Very Happy


PostPosted: Sun Jan 10, 2010 2:13 am    Post subject: Reply with quote

kissel wrote:
I didn't care for m42 Tokina EL 28/2.8. Way too soft even stopped down to f/8. Selling it was a relief. Also Helios 44m4 - had 2 copies, both are crap (though this edition is not the worst one).


Interestingly enough, my copy of Helios 44M-4 is actually better than my copy of Helios 77M, which is quite qood for what it is. I had a Tokina (don't know exactly which edition due to a different nameplate - maybe its was the RMC) rebadged as 'JML', and I wouldn't call it the worst 28mm either. Not quite up to SMC Takumar 28/3.5 in colors and contrast, but sharpness was OK by f/5.6. I sold it nevertheless.

My worst lens was Focal 250/5.6, a mirror lens, which currently serves as a pen holder. Horrible by any standards, it was closely followed by Samyang 500/8, also a mirror lens.



PostPosted: Sun Jan 10, 2010 8:21 am    Post subject: Reply with quote

aoleg wrote:
...which currently serves as a pen holder.


Laughing I don't know if this is funny or a sacrilege. Wink


PostPosted: Sun Jan 10, 2010 8:49 am    Post subject: Reply with quote

A bit of initiative...what else can you make out of a damaged or useless lens?? Very Happy Very Happy Very Happy


PostPosted: Sun Jan 10, 2010 8:54 am    Post subject: Reply with quote

Helios wrote:
A 4/300mm Makinon. Never got a beginning of sharp image at all the apertures ... I sold it . Very Happy


Got my MF Makinon zoom (it was around 30-70mm) as an extra buying a camera........heavy, seemed well made but crap optics, gave it to a charity shop.
Yet a Makinon 28mm f2.8 is a sleeper as it gives very good results (well my lens does).


PostPosted: Sun Jan 10, 2010 1:07 pm    Post subject: Reply with quote

It seems to be more crappy lenses than I could think. A few of the enunciated were defendant.

It's good to take care.

Rino.


PostPosted: Sun Jan 10, 2010 2:54 pm    Post subject: Reply with quote

Orio wrote:
My worst lens?
Probably the Sigma 10-20 autofocus: worst corner image quality that I ever met.


Heh, that's actually my most frequently used lens on digital, often even the only lens I've packed along on a trip. Best lens I've ever bought new, even though I agree about the corner quality (solution: don't look too closely, stop down to f/11! =).


PostPosted: Sun Jan 10, 2010 2:57 pm    Post subject: Reply with quote

My worst lens was probably a Mirage 200mm f/3.5, got it along some good lenses in a package deal. Hideous C/A, soft at every aperture, etc.

The Domiplan 50mm f/2.8 isn't winning any awards, either.


PostPosted: Sun Jan 10, 2010 3:00 pm    Post subject: Reply with quote

Arkku wrote:
....... Best lens I've ever bought new, even though I agree about the corner quality (solution: don't look too closely.....).



Excelent solution !!! Laughing Laughing

I will apply it to my CZJ 4/20 pics. Laughing

Rino.


PostPosted: Sun Jan 10, 2010 4:18 pm    Post subject: Reply with quote

The worst lens of all that I have, is one that almost no-one else is in any danger of buying as it's so unknown. It's rare for a reason- everybody has used theirs as a sink stopper or a bird table weight.
A Marep 200 - never heard of it before and if this is typical, I never want to again. Flares at the slightest hint of a bright spot in the scene.
A typical example...