Advice on lens rationalization


Link Posted 11/11/2010 - 21:27
Over the past year I have been upgrading my lens collection, as I finally found again time again for photography.

But as both me and my father always used Pentax, I find myself with a number of older lenses which I do not use and I hope to find a new home for.

I would like to ask the advice of the experts on the forum on the fair price I should ask for those which still have a market value so I can decide what to do with them. All of them (except the Tamro 28-105) were bought new by my father or myself, and have been taken good care of, but of course they have a certain amount of dust internally, due to their age.

Pentax a 35-105 3.5
Pentax m 75-150 4
Pentax fa 100-300 4.5-5.6 power zoom
Tamron AF 28-105 4-5.6

There are also a few others, but I suppose they do not have real value, or am I wrong?

Vivitar 28-210 3.5-5.6 - this is built like a tank, with 'a' position
Vivitar 70-210 4.5-5.6 - this is not built like a tank, all plastic, but 'a' position
Sigma zoom master 35-70 3.5-4.5 - 'a' position
Sigma mini wide 28 2.8
Kenko tele plus mc4 2x converter

Thanks in advance for any advice you can give!


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Link Posted 12/11/2010 - 20:41

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Link Posted 12/11/2010 - 22:11
I'll have a bash

I guess the 100-300 and 28-105 are probably worth about 60 each.

The rest might be somewhere around 30 each, but I expect the zooms will be quite hard to sell.
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
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Last Edited by thoughton on 12/11/2010 - 22:13

Dr. Mhuni

Link Posted 13/11/2010 - 04:26
I reckon the A35-105, if it's in good nick, is probably worth 80+ in a private sale - actually probably closer to 100. Last one I saw go on Ebay (to MikeW I think - if I hadn't been in Colombo I would have gone for this myself) went for about 75, if I'm not mistaken. Dealers have them at 130+.


Dr. Mhuni

Link Posted 13/11/2010 - 06:52
These unimaginative Mikes are confusing - that should have read MikeP not W!

Were you the culprit, Mike?



Link Posted 13/11/2010 - 10:19
That 35-105 is a very good lens. I bought one with "fungus issues"for about 5 of your English squids, and it cleaned up just fine, and produces very good results. The real value, however,is probably around the 100 pound mark. I reckon the 75-150 might be similar in value. Good luck.
Pentax K7, Sigma 17-70 f2.8-4.5, Sigma 70-200 f2.8 APO EX, Sigma 70-300 APO, Sigma 1.4x TC, Vivitar 2x TC. Takumar 135mm f2.5, SMC Pentax A 50mm 1:1.7, SMC Pentax -M 1:4 200mm, Pentax X70


Link Posted 13/11/2010 - 13:47
Thanks to all of you! I will probably have them in the classifieds sections soon

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