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07-04-2008, 06:39 AM   #1
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Above 135mm

Hi,

I'm going to purchase the Pentax 50-135 in the near future and would like to know your opinion on which lens I should consider for the 135mm plus range. I'd like a lens that isn't to big or heavy, which can be used when traveling. Currently I'm liking the Pentax 55-300, from the posted photos on this forum and it's pricing. However, this option is going to give me complete crossover with focal length on the 50-135. What other options are there? Tell me what you think/like/have

Daz

07-04-2008, 07:48 AM   #2
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If you like the 50-135, for size weight and speed (constant F2.8) then why not consider something like a 100-300 F4.

Sigma make/made? one and it gives good quality and also speed.

If you are concerned about weight, you could always do one of 2 things, given your other lens 17-70mm, specifically when not out on nature hikes where the 100-300 would be mostly used, leave the 100-300 at home.

If you are going out specifically for nature, but want something shorter as a second lens, leave the 50-135 at home, and take your 17-70mm with you.

No body said you have to take all your stuff with you all the time.

Another option, but weight could be an issue is to go for a 70-200 F2.8 and a high quality TC (or 2) and forget the 50-135. I have the Sigma APO 70-200 EX and the sigma 1.4x and 2x TCs. This gives me to 200mm at F2.8 for indoor sports and theater, and long and fast for outdoor nature, with surprising quality. BUT my combo is expensive and heavy, and is really only used for nature.

For city touring, I leave the 70-200 either at home, or in the hotel and if I want beyond my 28-75, I take the much lighter SMC-135F2.5 It is manual focus, but for detail etc, that is fine, and it is FAST!

Last edited by Lowell Goudge; 07-04-2008 at 07:57 AM.
07-04-2008, 09:41 AM   #3
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I would probably go for the one of the 70-200/2.8 lenses when they come out rather than the 50-135, partly because it matches well with your existing Sigma 17-70's focal range (I have a 17-70 too, and that's why I was waiting for a 70-200/2.8 but couldn't wait and got a Bigma instead. )

For a "walkaround telephoto zoom" you might want to potentially consider something like 70-200/2.8 + a 70-300 4-5.6 rather than a 50-135/2.8 + ??? - Yes there's a total and complete focal length overlap, but the 70-300s are all quite inexpensive and the reason to have the total overlap is to have a "heavy and excellent" lens and a "much lighter and still quite good" lens.
07-04-2008, 10:03 AM   #4
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QuoteOriginally posted by Entropy Quote
I would probably go for the one of the 70-200/2.8 lenses when they come out rather than the 50-135, partly because it matches well with your existing Sigma 17-70's focal range (I have a 17-70 too, and that's why I was waiting for a 70-200/2.8 but couldn't wait and got a Bigma instead. )

For a "walkaround telephoto zoom" you might want to potentially consider something like 70-200/2.8 + a 70-300 4-5.6 rather than a 50-135/2.8 + ??? - Yes there's a total and complete focal length overlap, but the 70-300s are all quite inexpensive and the reason to have the total overlap is to have a "heavy and excellent" lens and a "much lighter and still quite good" lens.
True, but I would opt, in the case of taking the 70-200 F2.8 in a 1.4x TC to approach 300mm at F4. Assuming you want to get out to 300mm, the TC on the 70-200F2.8 will be better quality than the 70-300, as well as 1 stop faster.

That is why I suggested getting the 100-300 F4 zoom on top of the 50-135. you would take one or the other with you to walk around, but not both normally

07-04-2008, 11:06 AM   #5
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I take my 2 lens kit everywhere I go ...well, not everywhere I have some examples on page 2 of my site that are all from my 50-135; Pentax K200D Photo Gallery, page 2 The constant f/2.8 comes in handy frequently in dense forested areas. It's amazing how dark it can get even in clear skies.
07-05-2008, 12:58 AM   #6
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Thanks for the replies.

Having used the 50-135 briefly, I know it's a lens I'll get a lot of use from + it's light, fast & I think it will complement the Sigma 17-70 well. I've checked out the 100-300 but thats more than I'd like to spend. Maybe an option would be to use a TC with the 50-135 for those times I want further reach? What are good TC's for the Penatx 50-135?
Another option is to just get a cheapo tele like the Tamron 70-300, which performs well for what it is.
Daz
07-05-2008, 06:59 PM   #7
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Tamron 70-300 LD Di is a very good budget choice

.


Here are a few examples from the Tamron 70-300 LD Di taken today. These were
shot through smudged plexiglass, so I sharpened a bit in picasa, but I like the results:


All these guys were between 60 & 75 meters away:

300mm f/6.7


Cropped:



300mm f/6.7


Cropped:





.
07-05-2008, 07:28 PM   #8
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Thanks for that jsherman999. I'm impressed with the results of the Tamron...sharp-ish, detail & colour. Do you find the CA & PF problems associated with the lens are noticeable or an issue?

07-05-2008, 07:37 PM   #9
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If it was my choice to make there are 2 lenses that I'd consider. The Tamron above is a very good lens in all respects. Plus the added benifit of 1:2 macro is a great feature.

But my first choice would be to wait for the DA*60-250mm. If it performs in the * class, then this will be a must have lens for many of us. Problem with that lens is we been waiting too damn long.

My favourite mid length zoom is without question the Sigma 70-200mm f2.8. Add a Tamron 1.4 TC and you have 280mm. This lens is heavier without question and can't really close focus but it's prime lens sharp. Tamron and Sigma will have the new versions out in a month or 2 and these would be on the top of my list. Frankly there is nothing to complain about with this lens.
07-05-2008, 08:29 PM   #10
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QuoteOriginally posted by dazman Quote
Thanks for that jsherman999. I'm impressed with the
results of the Tamron...sharp-ish, detail & colour. Do you find the CA & PF
problems associated with the lens are noticeable or an issue?

CA and PF are the only real drawbacks this lens has, but I don't think it's
really that bad.


QuoteOriginally posted by Peter Zack Quote
If it was my choice to make there are 2 lenses that
I'd consider. The Tamron above is a very good lens in all respects. Plus the
added benifit of 1:2 macro is a great feature.
Yes, it is - 1:2 is pretty phenomenal IMO for a log zoom in this price range:







QuoteQuote:
...But my first choice would be to wait for the DA*60-250mm. If it performs in the * class, then this will be a must have lens for many of us. Problem with that lens
is we been waiting too damn long.
I'm still waiting. The $130 Tamron 70-300 was my stopgap lens until the 60-250
comes out, at which time I was planning to upgrade - as long as it turns out
to be worth the wait.


.
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