F 35-70mm or DA 18-55 for K-01 - optical quality

hongzhibin1987 · 08-29-2013, 10:55 PM

Originally posted by Mattco26

I really don't agree with either of these points. The 35-70 is visibly sharper at f/5.6 or f/8, I currently own both and have shot them side by side. The DA-L is not "bad" at all. It's got a plastic mount and no quick shift but optically is the same as the II and WR versions. It doesn't come with a hood but you can get a replica of the proper Pentax hood for a few dollars.

If you go check the optical elements in DAL and DA II/DA WR you will find they are different.
I agree with you about the 35-70 is sharper part.

Mattco26 · 08-29-2013, 11:10 PM

Originally posted by hongzhibin1987

If you go check the optical elements in DAL and DA II/DA WR you will find they are different.

Everything I've ever read says the opposite.

hongzhibin1987 · 08-29-2013, 11:12 PM

Originally posted by Mattco26

Everything I've ever read says the opposite.

I checked the database and it seems that I'm wrong.
The only difference seems to be that instead of the ED glass the DAL uses a regular glass.
Thank you for pointing out it.

lytrytyr · 08-30-2013, 05:22 AM

Originally posted by hongzhibin1987

The only difference seems to be that instead of the ED glass the DAL uses a regular glass.

Rest assured, none of them have ED!

seventysixersfan · 08-30-2013, 06:56 AM

Originally posted by lytrytyr

Rest assured, none of them have ED!

agreed with this, I couldn't find any indication that the version II or WR has ED glass, although this lens reviewer below did say ED glass in the description of the lens, but I bet that's an error.
Pentax SMC DA 18-55mm II f/3.5-5.6 ED AL (IF) Interchangeable Lens Review

other than that website, no other places refer to the lens as having ED glass.

The DA-L 50-200 does have ED glass though.

pentasonic49 · 09-07-2013, 01:38 PM

Originally posted by seventysixersfan

agreed with this, I couldn't find any indication that the version II or WR has ED glass, although this lens reviewer below did say ED glass in the description of the lens, but I bet that's an error.
Pentax SMC DA 18-55mm II f/3.5-5.6 ED AL (IF) Interchangeable Lens Review

other than that website, no other places refer to the lens as having ED glass.

The DA-L 50-200 does have ED glass though.

I have the F35-70 and the DA18-55 WR and I like them both. 35mm is not very wide so think of the F as being std to portrait. It will be useful if FF ever materialises.

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08-29-2013, 10:55 PM	#46
hongzhibin1987 Veteran Member Join Date: Feb 2012 Location: Albuquerque, NM Posts: 464	Originally posted by Mattco26 I really don't agree with either of these points. The 35-70 is visibly sharper at f/5.6 or f/8, I currently own both and have shot them side by side. The DA-L is not "bad" at all. It's got a plastic mount and no quick shift but optically is the same as the II and WR versions. It doesn't come with a hood but you can get a replica of the proper Pentax hood for a few dollars. If you go check the optical elements in DAL and DA II/DA WR you will find they are different. I agree with you about the 35-70 is sharper part.

08-29-2013, 11:10 PM	#47
Mattco26 Senior Member Join Date: Nov 2011 Location: Portland, OR Posts: 118	Originally posted by hongzhibin1987 If you go check the optical elements in DAL and DA II/DA WR you will find they are different. Everything I've ever read says the opposite.

08-29-2013, 11:12 PM	#48
hongzhibin1987 Veteran Member Join Date: Feb 2012 Location: Albuquerque, NM Posts: 464	Originally posted by Mattco26 Everything I've ever read says the opposite. I checked the database and it seems that I'm wrong. The only difference seems to be that instead of the ED glass the DAL uses a regular glass. Thank you for pointing out it.

08-30-2013, 05:22 AM	#49
lytrytyr Pentaxian Join Date: Nov 2011 Photos: Gallery \| Albums Posts: 4,310	Originally posted by hongzhibin1987 The only difference seems to be that instead of the ED glass the DAL uses a regular glass. Rest assured, none of them have ED!

08-30-2013, 06:56 AM	#50
seventysixersfan Pentaxian Join Date: Aug 2010 Location: Alexandria, VA Posts: 2,054	Originally posted by lytrytyr Rest assured, none of them have ED! agreed with this, I couldn't find any indication that the version II or WR has ED glass, although this lens reviewer below did say ED glass in the description of the lens, but I bet that's an error. Pentax SMC DA 18-55mm II f/3.5-5.6 ED AL (IF) Interchangeable Lens Review other than that website, no other places refer to the lens as having ED glass. The DA-L 50-200 does have ED glass though.

09-07-2013, 01:38 PM	#51
pentasonic49 Veteran Member Join Date: Oct 2012 Location: weston-super-mare Posts: 395	Originally posted by seventysixersfan agreed with this, I couldn't find any indication that the version II or WR has ED glass, although this lens reviewer below did say ED glass in the description of the lens, but I bet that's an error. Pentax SMC DA 18-55mm II f/3.5-5.6 ED AL (IF) Interchangeable Lens Review other than that website, no other places refer to the lens as having ED glass. The DA-L 50-200 does have ED glass though. I have the F35-70 and the DA18-55 WR and I like them both. 35mm is not very wide so think of the F as being std to portrait. It will be useful if FF ever materialises.