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Discussion - worst lens in your experience?
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PostPosted: Wed Oct 27, 2010 5:04 pm    Post subject: Discussion - worst lens in your experience? Reply with quote

Hi all..

Just for discussion sake.. which is the worst lens in your experience you have used and have some sample to share? Or there is no such thing as bad lens, just how you use them.


PostPosted: Wed Oct 27, 2010 5:13 pm    Post subject: Reply with quote

Worst? Excluding broken ones, the Nikkor 43-86mm. And any of the first generation 50/60-300mm superzooms I've ever laid a hand on was a stinker, too.


PostPosted: Wed Oct 27, 2010 5:20 pm    Post subject: Reply with quote

Here' mine:
Hanimex 80-200mm f4.5
Sample photo of the lens (not mine: http://www.flickr.com/photos/gabrielky/4759562149/)

Ruined my nice composition of the fisherman.


Fixed a little to improve it:



PostPosted: Wed Oct 27, 2010 5:25 pm    Post subject: Reply with quote

The Pentax SMC F 35-80 4-5.6, the kit lens that came with a ZX-10.

The problem with this lens is that it isn't so horrible as to be good (in a Holga / Lensbaby way). On my ZX-10 it vignettes noticeably, gets an antique looking loss of resolution at the edges, and isn't too sharp in the middle either. Actually, that is its one application: source material for fake vintage photography.

On digital the worst of the vignetting is avoided, but it still isn't much to see.

And the aperture is painfully slow.

On the positive side, it's light and small and takes 49mm filters. Which makes it a poor paperweight.


PostPosted: Wed Oct 27, 2010 6:24 pm    Post subject: Reply with quote

Zoomar 2,8/36-82 in voigtlander mount.

Kaleidoscope lens. At 36 mm F/2,8, well, it was difficult recognice the subject.

Rino


PostPosted: Wed Oct 27, 2010 7:41 pm    Post subject: Reply with quote

Sevo wrote:
Worst? Excluding broken ones, the Nikkor 43-86mm. And any of the first generation 50/60-300mm superzooms I've ever laid a hand on was a stinker, too.


Heh, I've heard Nikon users remark more than once that the 43-86 was a great lens for portraiture when one wanted that "soft-focus" look. Cool

The only 50/60-300 superzoom I've owned has been the Tamron SP 60-300 f/3.8-5.4. This is an outstanding lens. Have you tried one yet?

I owned an 85-300 f/5 Soligor that really wasn't very good at all. Sold it when I bought the Tamron.

Probably the worst lens I've ever used in terms of sharpness and contrast was also one of the rarest, and potentially most valuable I've owned: a Vivitar Professional 135mm f/1.5. That thing was huge and weighed several pounds. Still, I would hesitate to rate it as "poor." I think that its softness is acceptable, given what the lens is -- a 135mm f/1.5.

(image borrowed from mf lenses taunusreiter's thread here:
http://forum.mflenses.com/vivitar-135mm-f1-5-lens-bad-boy-t20417.html)



A sample pic from mine, shot at f/1.5:



No post processing done to the scan other than reduction. What I found most difficult about the lens was knowing when I had an image in focus because of its softness.

I guess I've been pretty lucky for the most part. I've owned very few lenses that performed poorly in terms of sharpness and contrast. The only other one I can think of is a Canon EF 28-80. I had two, from two different Elan II kits, and compared them. One was noticeably sharper than the other, so I sold the less sharp one. But even so, the less sharp 28-80 was still an okay lens.


PostPosted: Wed Oct 27, 2010 8:59 pm    Post subject: Reply with quote

Gosh, cooltouch, that 1.5/135 looks gigantic!!

The worst lens I have ever used?

Hmmm.... hard to say. I have used some really bad lenses when I started to experiment with MF lenses on DSLRs. But that's quite long (and many lenses) ago, so I do not really remember.

Some of the ones I did not like were:
- Auto Reflecta 1.7/55 (The only 50ish that I did not like.)
- Revuenon-Special 2.8/35 (nicely built, but a really bad performer)
- Petri Auto C.C. 1.7/50 (just because of its crappy built, peformancewise nit bad)
- Greens London 3.5/135 (also because of its crappy built, took good pictures)

But I don't now if it was only my copies. I couldn't tell if the whole line was bad.

And at the moment a Marexar 2.8/35 puzzles me. There must be something wrong with it, because I cannot get one sharp photo out of it.


PostPosted: Wed Oct 27, 2010 9:09 pm    Post subject: Reply with quote

The absolutely worst lens I ever had was a Cosina 20mm f/3.8: when it came pictures were so unbearably bad that I opened it to investigate, and discovered that its front lenses are plastic. Now it's sitting in pieces in a drawer, I hope to be able to use its mount for a conversion sooner or later.


PostPosted: Wed Oct 27, 2010 9:57 pm    Post subject: Reply with quote

... Super Paragon 35/2.8 ... and some others i no longer own ...


PostPosted: Wed Oct 27, 2010 10:59 pm    Post subject: Reply with quote

Well, there can be countless bad lenses in noname brands productions...
and I admit I did not explore them largely.

A little shift in subject could be to point out bad lenses I met that beared important names.
I can name two of these, the Nikkor-S Auto 35mm f/2.8 (pre-AI) and the Contax Tele-Tessar 4/300.
The Nikkor was the most unsharp lens that I ever tried from an important maker. It was really muddy, at all apertures.
The Tele-Tessar was sharp but it showed an intolerable amount of CA.
In both cases, I can not swear that the fault was on the lens design rather than a bad copy; I need to specify, however, that the Tele-Tessar was brand new when I got it (it was a new old stock).


PostPosted: Thu Oct 28, 2010 12:54 am    Post subject: Reply with quote

As far as I've seen, all four of Nikon's non-PC 35mm f/2.8 primes have been absolutely horrible. I suppose this is what happens when such a lens is being made alongside better f/2 and f/1.4 versions.

As far as the worst lens that I've used? I'd have to go with the Soligor (Tokina) C/D 100-300mm f/5. It doesn't sharpen up until f11-16, it's LOADED with lateral CA at all apertures, it has plenty of purple fringing and it's also loaded with spherical aberration, giving it that dreamy look wide-open. This look would be ideal for portraiture (it has good bokeh, at least) if the lens wasn't so slow.


PostPosted: Thu Oct 28, 2010 5:19 am    Post subject: Reply with quote

LucisPictor wrote:

- Petri Auto C.C. 1.7/50 (just because of its crappy built, peformancewise nit bad)


I'm surprised about this one. I have a Petri Auto CC 55/1.8 and it's about as good as my SMC Takumar 55/1.8 - maybe just a bit less sharp wide open.

stingOM wrote:
Here' mine:
Hanimex 80-200mm f4.5
Sample photo of the lens (not mine: http://www.flickr.com/photos/gabrielky/4759562149/)

Ruined my nice composition of the fisherman.


I actually like that shot - it looks more like a watercolor painting than a photograph. I never had a lens that bad in terms of sharpness. But then, I think the worst lenses are not those that are terribly bad, because at least those give some effect that you can't get otherwise - no, the worst lenses are those that just have mediocre performance - they're not good enough and they're not bad enough either.


PostPosted: Thu Oct 28, 2010 7:49 am    Post subject: Reply with quote

Makinon 4/300mm ... Unable to produce any decent image ... Unsharp ! Very Happy


PostPosted: Thu Oct 28, 2010 7:52 am    Post subject: Reply with quote

Laurentiu Cristofor wrote:
LucisPictor wrote:

- Petri Auto C.C. 1.7/50 (just because of its crappy built, peformancewise nit bad)


I'm surprised about this one. I have a Petri Auto CC 55/1.8 and it's about as good as my SMC Takumar 55/1.8 - maybe just a bit less sharp wide open.



Well, as I said, it was a good performer, but I was afraid to touch it, because I expected it to fall apart any second. Wink


PostPosted: Thu Oct 28, 2010 8:09 am    Post subject: Reply with quote

Porst Extrem-WW MC 24/2.5. It's possible, that the lens has decentered optical element, I'm not sure - but optical performance was comparable to bottom of a pint.

Anyway, as all the previous post hints, buying a noname wide-angle or old zoom lens can be very risky. On the other hand many prime lenses in 50-135mm range can be are very good despite they are noname Smile


PostPosted: Thu Oct 28, 2010 11:24 am    Post subject: Reply with quote

cooltouch wrote:


A sample pic from mine, shot at f/1.5:



No post processing done to the scan other than reduction. What I found most difficult about the lens was knowing when I had an image in focus because of its softness.


To my eyes, a nice image for a 135 lens at F/ 1,5!!!!!

To do the idea of the lens more complete, have you any portrait taken at F/1,5?

Rino


PostPosted: Thu Oct 28, 2010 4:46 pm    Post subject: Reply with quote

Sorry, no portraits taken with it . . . at least that I know of. I didn't use that lens much, to be honest. I just don't have much use for un-sharp lenses, even fast ones.


PostPosted: Fri Oct 29, 2010 2:21 pm    Post subject: Reply with quote

Quote:
I didn't use that lens much, to be honest. I just don't have much use for un-sharp lenses, even fast ones.


Alright, alright! If I have to buy it from you...I suppose I could do that. Laughing Or does the past tense imply you have since sent this lens back into circulation already?


PostPosted: Wed Jun 08, 2011 12:09 am    Post subject: Reply with quote

Pentacon 2.8/29mm. Even Meyer version didn't convince me this lens is capable of proper result. Tried few of each.


PostPosted: Wed Jun 08, 2011 2:50 am    Post subject: Reply with quote

My worst was a "Zoom-Nikkor" 70-200/4.5-5.6. I don't know who made it, but it was a terrible lens that came with an FM10 I picked up. The FM10 was a nice, lightweight little piece that was (for me) reliable and easy to use. It wasn't as solid as an old manual focus Nikon 35mm camera, but it was cheap and easy to carry. The original kit lens (another "Zoom-Nikkor", but a 35-70/3.5-5.6) and the FM10 were made by Cosina. The 35-70 was also bad (lots of flare, not very sharp), but at least it worked.

I have no photo samples from the 70-210. The ones I took were soft, at best, no matter how carefully I focused, and the exposure was nearly always off--the more I stopped it down, the more overexposed it became (sticking aperture blades, I'm guessing). Then, after having it a whole week and trying again to get it to work, the zoom stuck in the 210mm position--I mean stuck. It wouldn't budge. Since I didn't buy it new but it was part of a package, it had no warranty. It met a justifiable fate--death by disassembly.

I don't know who made this piece of crap, but any company should be ashamed to put their name on it--and that a major manufacturer like Nikon would is doubly shameful. It seems like something Kodak would do.


PostPosted: Wed Jun 08, 2011 7:18 am    Post subject: Reply with quote

My worst was the Nikon 55-200mm DX VR AF-S. Image-wise actually very good at 55mm, softer at longer end and the handling was annoying. Well, budget lenses ...


PostPosted: Wed Jun 08, 2011 7:41 am    Post subject: Reply with quote

Quote:
Pentacon 2.8/29mm. Even Meyer version didn't convince me this lens is capable of proper result. Tried few of each.


I have two of these. A bad one (€ 10) and a really good one (€ 3, found on a thriftmarket). So it is possible to find one with good results Very Happy .
My most disappointing lens sofar: Sigma 200mm 3.5 XQ fine focus, worse than the bad Pentacon 29mm. Two focusing rings, close focusing with one, but horrible CA.


PostPosted: Wed Jun 08, 2011 2:19 pm    Post subject: Reply with quote

There are no bad lenses, only bad photographers who don't know how to use them.

For instance, even a lens that is optically terrible can be used to burn ants and frighten birds.


PostPosted: Wed Jun 08, 2011 3:06 pm    Post subject: Reply with quote

RioRico wrote:
There are no bad lenses, only bad photographers who don't know how to use them.

For instance, even a lens that is optically terrible can be used to burn ants and frighten birds.


...or light a cigar Cool


PostPosted: Wed Jun 08, 2011 10:59 pm    Post subject: Reply with quote

RioRico wrote:
There are no bad lenses, only bad photographers who don't know how to use them.

For instance, even a lens that is optically terrible can be used to burn ants and frighten birds.


Or keep your pencils in. Laughing