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06-29-2013, 06:19 PM   #16
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My best 'no matter what' rule is very temporary - but I tend to avoid even excellent older glass because of the low quality of older coatings. Sooner or later I'll take a backlit shot with an older lens and the veiling flare will hammer the shot beyond repair. Sure 95% of the shots will be exquisite, but I wanted that shot to be excellent . I've recently let a few Rikenons go for that reason only - and I don't doubt in six months I shall own a few other irresistible classics and deny I ever wrote this note!

06-29-2013, 06:20 PM   #17
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QuoteOriginally posted by EarlVonTapia Quote
That being stated, I still apply the sandwich rule: If it's in perfect working order, and it costs less than a sandwich, it's okay to grab it if you want it.
The full sandwich rule should be a sticky as a memorial to RioRico...

"If it costs less than a sandwich buy it. If it costs more than a deluxe pizza think about it. If it costs more than a fancy dinner ask the wife".
06-29-2013, 06:48 PM   #18
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QuoteOriginally posted by boriscleto Quote
memorial to RioRico...
Is he inactive or gone, gone or worse?


Steve
06-29-2013, 07:11 PM   #19
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QuoteOriginally posted by stevebrot Quote
Is he inactive or gone, gone or worse?


Steve
He hasn't posted in over a year. Other than that I don't know...last account activity was 4-02-13.

06-29-2013, 07:15 PM   #20
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QuoteOriginally posted by aoeu Quote
I carry three lenses at all times. Most of the time it's the F50/1.8, the WR 18-55( just in case), and one heavy.
That's amazing! I'll give you $1000 for an F50/1.8 if you can send it to me right now!
06-29-2013, 07:41 PM   #21
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I had a Sakar lens that jammed up on my honeymoon, so I avoid those. But I have had good pictures with all the Pentax "dogs" - F and FA 35-80, Takumar Bayonet 135/2.5, the 50/2s. I would agree that off-brand manual zooms should probably be avoided as well, but I have an excellent Kalimar 35-70 f/2.8 that takes great pictures. Hard to make any strict rules, really.
06-29-2013, 07:43 PM - 1 Like   #22
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QuoteOriginally posted by boriscleto Quote
He hasn't posted in over a year. Other than that I don't know...last account activity was 4-02-13.
Yeah, I've been wondering about him. In addition to being encyclopedic, he was very entertaining.
06-29-2013, 07:59 PM   #23
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Maybe not a complete stinker but I see no reason to buy a Tamron 18-200 given that the Tamron/Pentax 18-250 is better.
Not saying you cannot take nice shots with the 18-200 but AFAIK it has nothing going for it compared to the 18-250.

06-29-2013, 07:59 PM   #24
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QuoteOriginally posted by stevebrot Quote
One thing is for sure, the Helios 40-2 85/1.5 is lens with huge reputation that fails miserably on the optical bench and succeeds spectacularly in the studio and field. Go figure.
I just happened to read about this lens for the first time a few days ago. Sure would be a fun one to play with... A few fine examples of it's output on this page, especially beginning about a third of the way down the page continuing on the following pages...
06-29-2013, 08:01 PM   #25
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I'm not sure any lens qualifies. A really bad lens just becomes a 'toy' lens, doesn't it?
06-29-2013, 08:07 PM   #26
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QuoteOriginally posted by stevebrot Quote
Normally, one might say, "Anything labeled Promaster or Quantaray". But as noted above, no sooner would one suggest that, then another user would post an incredible image taken with said lens. For reference I would suggest the "Off-Brand Club" thread on this site:

https://www.pentaxforums.com/forums/lens-clubs/31353-off-brand-club.html

...and of course, there is the standard safety warning regarding any lens with a green or red "P" on the aperture ring. That is usually a good indication that the lens has the dreaded "Ricoh Pin".

Steve
I've actually had an exceptional Promaster 28-105, I also had an identical Tamron version of it the same time which was just as good. Both registered as the identical Pentax version in Exif. A older salesman at a Cord camera store told me that he used to be on the Promaster Advisory board and nearly all Promaster lenses were rebadged Tamrons.
06-29-2013, 09:07 PM - 2 Likes   #27
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Any lens with the name Nikon or Canon should be avoided.
06-29-2013, 09:20 PM   #28
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QuoteOriginally posted by ramseybuckeye Quote
A older salesman at a Cord camera store told me that he used to be on the Promaster Advisory board and nearly all Promaster lenses were rebadged Tamrons.
Except for the ones that were rebadged Sigmas or Cosinas....like my Promaster 100-400.
06-29-2013, 11:18 PM   #29
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None.
06-30-2013, 12:34 AM   #30
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i dont think there is a lens that should be avoid except those got fungus, haze, fog or badly damage. but after all it depend on what you try to achieve.
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