Which Lens


chrissinkpen

Link Posted 25/09/2009 - 09:02
Morning all,
It seems that buying a lens is no mean feat.
Seems like some lenses are of the "friday night monday morning variety"
As a relative newbie I find the whole experience interesting, in that it is a very subjective experience and that we all see things differently, for me I just want a lens to fit my MZ30 and K200D,I read such variations in peoples experience,The silver FA lenses seem plasticky,I probably want a 28-70,but the FA has a plastic mount.
I'm looking for the best lens to fit both my cameras on a budget. It seems that no matter what I buy, it could still be a "pup"
Comments very welcome.

Regards
Chris

thoughton

Link Posted 25/09/2009 - 09:33
What sort of budget are we talking about?
Tim
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
Flickr Fluidr PPG Street Portfolio site
Feel free to edit any of my posted photos! If I post a photo for critique, I want brutal honesty. If you don't like it, please say so and tell me why!

Thordell

Link Posted 25/09/2009 - 10:00
I have a Pentax 28-80mm that I may consider selling, it is one from my Z1 days but I do still use it, in fact it is on my K7 now, I am trying to sort my lens collection so I will try to find out it's value and then may be we can be of mutual help always providing it is within your budget and the sort of thing you want. You need to bear in mind that few lens will give you the range you expect as the length quoted is for 35mm cameras and not digital sensors. This 28-80mm will give you aprox. 46-132mm on a Pentax DSLR
Jackie H
K7, K20D, istDS, Optio SV, ME
Most used glass
50mm f1.4, 60-250mm, 28-80mm,
Sigma 105mm 2.8 Macro & Bertha 50-500

pschlute

Link Posted 25/09/2009 - 10:23
chrissinkpen wrote:
Morning all,
It seems that buying a lens is no mean feat.
Seems like some lenses are of the "friday night monday morning variety"
As a relative newbie I find the whole experience interesting, in that it is a very subjective experience and that we all see things differently, for me I just want a lens to fit my MZ30 and K200D,I read such variations in peoples experience,The silver FA lenses seem plasticky,I probably want a 28-70,but the FA has a plastic mount.
I'm looking for the best lens to fit both my cameras on a budget. It seems that no matter what I buy, it could still be a "pup"
Comments very welcome.

Regards
Chris

What have you got at the moment ?

What do you want to use the lens for ?

The 28-70 range will be a good general lens on the 35mm camera but a bit long for an all-rounder on digital.
Peter



My Flickr page

George Lazarette

Link Posted 25/09/2009 - 10:26
"length
Thordell wrote:
You need to bear in mind that few lens will give you the range you expect as the length quoted is for 35mm cameras and not digital sensors. This 28-80mm will give you aprox. 46-132mm on a Pentax DSLR

Jackie, I'm sure he knows that digital sensors crop the image, because he has both a digital and a film camera.

You do still need to get your head around the fact that focal length and angle of view are different things, and that that the focal length is an intrinsic quality of a lens. It doesn't change when mounted on a different camera, and lens manufacturers do not "quote a length for 35mm cameras".

G
Last Edited by George Lazarette on 25/09/2009 - 10:27

Thordell

Link Posted 25/09/2009 - 11:24
Yes George I was sure too that he would know, but since you seem to have a thing about people offering lens that are or were produced for film I mentioned it hoping to avoid your picking me up again. Just trying to remind the OP that it needs to be considered when buying a lens.
Jackie H
K7, K20D, istDS, Optio SV, ME
Most used glass
50mm f1.4, 60-250mm, 28-80mm,
Sigma 105mm 2.8 Macro & Bertha 50-500

ManixZero

Link Posted 25/09/2009 - 11:43
Chris,

I recently acquired an FA28-70 f4 AL from e-bay.

It is a highly regarded (by some) lens for the focal range and goes very well between my 10-24mm and 70-300mm for a 3 lens kit.

I haven't really "tested" it but have been very happy so far.

This lens has a metal mount and a constant aperture of f4.

Some might say that the range is restricting for a walk around lens on a DSLR but that depends an what you need it for.

For me it will fill the gap and do the job until I can afford an f2.8 with a similar range (that is if I find I need the extra stop!)

Some reviews of the lens here - link

Plus if you wanna look inside go to my "2 Pentax Lenses seen from a different perspective" thread as I have a couple of X-ray images. - link

Cheerz MZ
K5, K7, Nikon FA.
AF Lenses: DA15mm Ltd, DA21mm Limited, DA35mmAL, DA50mm f1.8, DA18-55mmWR, FA28-70mm f4AL, DA50-200mmWR,Tamron SP70-200mm f2.8, AF70-300mm LD Di, SP10-24mm, SP90mm Macro.
MF Lenses: SMC-A 50mm, Adaptall 24mm(CW-24), 135mm(03B), 35-70mm(17A) 80-210mm(03A), Micro-Nikkor55mm, Soligor I-S 200mm f2.8 AIS

My Flickr - link
My Photobucket - link
Last Edited by ManixZero on 25/09/2009 - 11:44

chrissinkpen

Link Posted 25/09/2009 - 12:16
Well, lots of advice-thanks to you all.
I guess I'm looking for a lens similar to the 18-55 kit lens. A 28-80 may fit the bill as a walk around lens on the film camera, and maybe as a walkaround on the digital as long as I didn't want a particularly wide angle.
Jackie, please let me know if interested in selling-I may be interested.

Regards

Chris.
K200D,MZ30,FA50.1.4,18-55,50-200,M50.1.7(for sale),Metz 48AF,190XPROB.

edumad

Link Posted 25/09/2009 - 12:18
I'll have another round of cleaning up soon, have 28-80mm and 28-70mm and 24-70mm lens to go, plus some bits and pieces...
Gotta clean the closet before leaving Edinburgh
TWAPSI Blog

Thordell

Link Posted 25/09/2009 - 13:56
chrissinkpen wrote:
Jackie, please let me know if interested in selling-I may be interested.

Regards

Chris.
K200D,MZ30,FA50.1.4,18-55,50-200,M50.1.7(for sale),Metz 48AF,190XPROB.

I should sell, it is all too easy to pick up a familiar lens with out really engaging brain - give me 24 hours, don't think it is worth much but will look and decide and let you know.
Jackie H
K7, K20D, istDS, Optio SV, ME
Most used glass
50mm f1.4, 60-250mm, 28-80mm,
Sigma 105mm 2.8 Macro & Bertha 50-500

NDR116

Link Posted 25/09/2009 - 15:16
Chris, I had the 28-70 on my MZ-5 and used it on my K200D. It is small and light and it would still be on my K200D were it not for my need for a wider angle. Both the 28-70 and 28-80 are for sale here link if Edumad and Jackie decide they cannot part with theirs.

Paul.

chrissinkpen

Link Posted 25/09/2009 - 16:45
Cheers Paul.
Thanks for the link

regards
Chris

George Lazarette

Link Posted 25/09/2009 - 19:13
Thordell wrote:
Yes George I was sure too that he would know, but since you seem to have a thing about people offering lens that are or were produced for film I mentioned it hoping to avoid your picking me up again. Just trying to remind the OP that it needs to be considered when buying a lens.

I don't "have a thing" about this subject, other than wanting it to be understood that focal length doesn't change with sensor size, as you appear to believe.

All my lenses bar two were made for film, and work beautifully on a digital camera.

G
Keywords: Charming, polite, and generally agreeable.

Thordell

Link Posted 25/09/2009 - 20:38
Of course focal length would not change with sensor size it was you that suggested a lens made for film use would not "work" with digital not me, as it happened the lens in question had been developed for the digital market.

Now it is clear that both of us understand focal length, crop factor and angle of view perhaps it would be best if we drop the subject.
Jackie H
K7, K20D, istDS, Optio SV, ME
Most used glass
50mm f1.4, 60-250mm, 28-80mm,
Sigma 105mm 2.8 Macro & Bertha 50-500

chrissinkpen

Link Posted 25/09/2009 - 21:36
In my limited experience, it seems prudent to use film lenses if you have film/digital cameras. I presume that digital lenses with their smaller circle of light are limiting in use, in as much that they would not be suitable for full frame digital, therefore you could conclude that film lenses are much more universal in that sense and better value.
I may of course be "barking up the wrong tree", if I am, I'm sure I will know about it

Regards
Chris
Oh- I wondered what the difference between black and silver FA lenses??
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