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12-02-2014, 07:52 AM   #1
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DA lenses on Full Frame

Which DA lenses can fit on a full frame without causing severe vignetting. So far I got the DA 200mm f2.8 any others ?

12-02-2014, 08:05 AM   #2
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There are quite some threads on the "existing lenses on FF" topic, here is one:

https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/183420-curr...me-lenses.html
12-02-2014, 08:17 AM   #3
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DA PrimeCompatible? (Yes/No)Reason for No DA 14/2.8NoDark Circle, Sample Shot Here DA 15/4 LimitedNoDark Circle DA 21/3.2 LimitedNoDark Circle DA 35/2.4Yes, Sample Shots Here and Here (Mine)- DA 35/2.8 MacroNoHeavy Vignetting DA 40/2.8 LimitedYes- DA 40/2.8 XSYes, Sample Shots Here and Here (Mine)
DA 50/1.8Yes, Samples Here
DA* 55/1.4Yes- DA 70/2.4 LimitedYes, Sample Shots Here and Here (Mine)- DA* 200/2.8Yes, Sample Shots Here-
DA* 300/4Yes, Sample Shot Here-
DA 560/5.6No, Sample Shots HereHeavy Vignetting at F5.6
DA ZoomCompatible? (Yes/No)Reason for No DA 10-17/3.5-4.5NoDark Circle to Heavy Vignetting from 10 to 14mm DA 12-24/4NoDark Circle to Heavy Vignetting from 12 to 16mm DA 16-45/4NoDark Circle to Heavy Vignetting from 16 to 20mm DA* 16-50/2.8NoDark Circle for the Whole Zoom Range, Sample Shots Here DA 17-70/4NoDark Circle for the Whole Zoom Range DA 18-55/3.5-5.6NoDark Circle to Heavy Vignetting from 18 to 28mm, see Sample Shots Here DA 18-250/3.5-6.3NoDark Circle for the Whole Zoom Range DA* 50-135/2.8NoHeavy Vignetting from 50 to 100mm DA 50-200/4-5.6NoDark Circle for the Whole Zoom Range DA 55-300/4-5.8NoNo Dark Circle or Vignetting Only at 200mm DA* 60-250/4NoHeavy Vignetting from 85 to 250mm, see Sample Shots Here

---------- Post added 12-02-14 at 10:18 PM ----------

Hmmm... my copy paste post don't work here, you should check your private messege, I'm already sent the list of DA lenses can fit on a full frame without causing severe vignetting


12-02-2014, 08:52 AM   #4
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QuoteOriginally posted by LensBeginner Quote
There are quite some threads on the "existing lenses on FF" topic, here is one:

https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/183420-curr...me-lenses.html
Be aware that that there is some discussion regarding "acceptable" vignette. A good example might be the DA 50/1.8. It is a very fine lens and an exceptional value, but has a smaller image circle than the legacy K-mount 50/1.7 lenses and obvious vignette wide open on a 35mm film negative. The amount of vignette might be acceptable to some, but is at odds with the historic norm for similar lenses.


Steve

12-02-2014, 09:13 AM - 1 Like   #5
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this question is already asked and answer here (with pictures as proof) :

https://www.pentaxforums.com/forums/10-pentax-slr-lens-discussion/31629-da-le...ts-thread.html
12-02-2014, 03:16 PM   #6
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A Sony FE35/2.8 has a whooping -2.6ev (as tested by photozone) of uncorrected vignette and thats considered a good FF lens by its user base, so how much vignetting is acceptable is dependent on individual. (a lens that is a 'Zeiss', not cheap at all and 35mm at f2.8 still has lots of it)

To me, the larger problem is how good is the off center quality (esp in the 'rule of thirds' area) which is often used when framing a picture even at wide open.

Basically, mixberry has a very good summary of what is usable.
I have tried the DA*16-50; 50-135 DA15; DA40XS and it reflects his observations on film.

I did post some samples for the 40XS as well as other non-DA lenses in a thread some time back, but gave up on the idea.
https://www.pentaxforums.com/forums/169-pentax-full-frame/246917-does-my-m42-...ploration.html


Another one to check how well our Pentax lenses work on FF.
https://www.pentaxforums.com/forums/122-lens-clubs/247282-pentax-lenses-ff-cl...ses+work+on+FF

Last edited by pinholecam; 12-02-2014 at 03:21 PM.
12-03-2014, 01:14 PM   #7
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Some vignetting in the corners can be "fixed" in post processing. A vignette with a negative intensity value (i.e. brighten instead of darken) can be applied to the image. It won't fix extreme cases but it may help a little bit.

I shot a roll of Fuji Velvia in my Spotmatic. The lens hood clipped the corners but I didn't notice it in the viewfinder. After scanning the film I applied the negative vignetting and rescued a little of the image corners. What is totally black is gone though. That's OK. It still made for decent shots I think.


IMGP0542
by Never Off, on Flickr

The corners are still a little dark but much better than before. Applying any more negative vignetting made the edge-center look too bright.

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