Re: DA 35 macro on FF? Other DA on FF?

2016-03-20 Thread Mark C
It's hard to visually detect cropping in the finder of a camera. For the cost of a roll of film and maybe some batteries you could get a very good idea. I have only a few DA lenses. I use the XR 40mm on film bodies regularly and find very slight distortion along the edges of the frame, more

Re: DA 35 macro on FF? Other DA on FF?

2016-03-18 Thread steve harley
On 2016-03-16 7:11 , Mark C wrote: I tested the 16-45 f4 zoom and found vignetting starting at around 20 mm. I was assessing where it could serve as an untra wide angle zoom on a film body in a pinch - It could but you would have to be very careful. interesting — did you happen to compare

Re: DA 35 macro on FF? Other DA on FF?

2016-03-15 Thread John
On 3/14/2016 5:19 PM, Larry Colen wrote: John wrote: It should work with the PZ-1p I think. I have one of those with batteries. I've got film in the fridge. Send me the lens & I'll let you know if it vignettes. Your generosity seemingly knows no bounds. Always glad to help. 8-D --

Re: DA 35 macro on FF? Other DA on FF?

2016-03-14 Thread Darren Addy
>92% viewfinder coverage) Steve nailed the reason you can't simply go by film camera impressions. Stopping down will increase the effective image circle, which is not a bad thing for macro anyway. However, the 35mm would have had an effective FOV of 52mm, so why not simply use a 50mm macro on the

Re: DA 35 macro on FF? Other DA on FF?

2016-03-14 Thread Larry Colen
John wrote: It should work with the PZ-1p I think. I have one of those with batteries. I've got film in the fridge. Send me the lens & I'll let you know if it vignettes. Your generosity seemingly knows no bounds. -- Larry Colen l...@red4est.com (postbox on min4est) http://red4est.com/lrc

Re: DA 35 macro on FF? Other DA on FF?

2016-03-14 Thread John
It should work with the PZ-1p I think. I have one of those with batteries. I've got film in the fridge. Send me the lens & I'll let you know if it vignettes. On 3/14/2016 4:50 PM, Larry Colen wrote: John wrote: On 3/13/2016 4:38 PM, steve harley wrote: On 2016-03-12 11:52 , John wrote:

Re: DA 35 macro on FF? Other DA on FF?

2016-03-14 Thread Larry Colen
John wrote: On 3/13/2016 4:38 PM, steve harley wrote: On 2016-03-12 11:52 , John wrote: You wouldn't see it unless the lens was stopped down. Maybe not even then if it gets too dark in the viewfinder. that's the opposite notion from what i've seen expressed — that stopping down reduces or

Re: DA 35 macro on FF? Other DA on FF?

2016-03-14 Thread steve harley
On 2016-03-14 12:39 , John wrote: On 3/13/2016 4:38 PM, steve harley wrote: On 2016-03-12 11:52 , John wrote: You wouldn't see it unless the lens was stopped down. Maybe not even then if it gets too dark in the viewfinder. that's the opposite notion from what i've seen expressed — that

Re: DA 35 macro on FF? Other DA on FF?

2016-03-14 Thread John
On 3/13/2016 4:38 PM, steve harley wrote: On 2016-03-12 11:52 , John wrote: You wouldn't see it unless the lens was stopped down. Maybe not even then if it gets too dark in the viewfinder. that's the opposite notion from what i've seen expressed — that stopping down reduces or eliminates

Re: DA 35 macro on FF? Other DA on FF?

2016-03-14 Thread Bill
On 3/13/2016 9:27 PM, steve harley wrote: On 2016-03-13 14:56 , Paul Stenquist wrote: Stopping down sharpens those edges and makes them visible. Same as when looking for dust specks. i read a few references and it seems clear that optical vignetting can be reduced or eliminated by stopping

Re: DA 35 macro on FF? Other DA on FF?

2016-03-13 Thread Paul Stenquist
Good to know. Paul via phone > On Mar 13, 2016, at 11:27 PM, steve harley wrote: > >> On 2016-03-13 14:56 , Paul Stenquist wrote: >> Stopping down sharpens those edges and makes them visible. Same as when >> looking for dust specks. > > i read a few references and it

Re: DA 35 macro on FF? Other DA on FF?

2016-03-13 Thread steve harley
On 2016-03-13 14:56 , Paul Stenquist wrote: Stopping down sharpens those edges and makes them visible. Same as when looking for dust specks. i read a few references and it seems clear that optical vignetting can be reduced or eliminated by stopping down; the second illustration on this page

Re: DA 35 macro on FF? Other DA on FF?

2016-03-13 Thread Paul Stenquist
Stopping down sharpens those edges and makes them visible. Same as when looking for dust specks. Paul via phone > On Mar 13, 2016, at 4:38 PM, steve harley wrote: > >> On 2016-03-12 11:52 , John wrote: >> You wouldn't see it unless the lens was stopped down. Maybe not even

Re: DA 35 macro on FF? Other DA on FF?

2016-03-13 Thread steve harley
On 2016-03-12 11:52 , John wrote: You wouldn't see it unless the lens was stopped down. Maybe not even then if it gets too dark in the viewfinder. that's the opposite notion from what i've seen expressed — that stopping down reduces or eliminates vignetting -- PDML Pentax-Discuss Mail List

Re: DA 35 macro on FF? Other DA on FF?

2016-03-12 Thread John
On 3/11/2016 6:04 PM, Larry Colen wrote: Interestingly, Ricehigh's blog says that the DA 35 macro has severe vignetting on full frame. When I put the lens on a film body and look through it I don't notice severe vignetting. Has anyone actually taken any photos with this combination? Has anyone

Re: DA 35 macro on FF? Other DA on FF?

2016-03-12 Thread Paul Stenquist
I tested the new 24/70/2.8 wide open against a brick wall just to make sure it had no glaring faults. I used the K3 and was amazed at the edge and corner sharpness. Then it struck me: I'm not seeing the edges. I won't know how good it really is until the K1 arrives. Paul via phone > On Mar

Re: DA 35 macro on FF? Other DA on FF?

2016-03-12 Thread Bill
On 3/12/2016 11:22 AM, P.J. Alling wrote: On 3/12/2016 10:40 AM, Bill wrote: On 3/12/2016 6:24 AM, mike wilson wrote: On 11 March 2016 at 23:04 Larry Colen wrote: Interestingly, Ricehigh's blog says that the DA 35 macro has severe vignetting on full frame. When I put the

Re: DA 35 macro on FF? Other DA on FF?

2016-03-12 Thread P.J. Alling
On 3/12/2016 10:40 AM, Bill wrote: On 3/12/2016 6:24 AM, mike wilson wrote: On 11 March 2016 at 23:04 Larry Colen wrote: Interestingly, Ricehigh's blog says that the DA 35 macro has severe vignetting on full frame. When I put the lens on a film body and look through it I

Re: DA 35 macro on FF? Other DA on FF?

2016-03-12 Thread Bill
On 3/12/2016 6:24 AM, mike wilson wrote: On 11 March 2016 at 23:04 Larry Colen wrote: Interestingly, Ricehigh's blog says that the DA 35 macro has severe vignetting on full frame. When I put the lens on a film body and look through it I don't notice severe vignetting. Has

Re: DA 35 macro on FF? Other DA on FF?

2016-03-12 Thread Jan van Wijk
gled with MF using these slow lenses. No focussing difficulties with the M 50mm 1.7. > >Alan C > >-Original Message- From: mike wilson >Sent: Saturday, March 12, 2016 2:24 PM >To: Pentax-Discuss Mail List >Subject: Re: DA 35 macro on FF? Other DA on FF? > >&g

Re: DA 35 macro on FF? Other DA on FF?

2016-03-12 Thread Alan C
with the M 50mm 1.7. Alan C -Original Message- From: mike wilson Sent: Saturday, March 12, 2016 2:24 PM To: Pentax-Discuss Mail List Subject: Re: DA 35 macro on FF? Other DA on FF? On 11 March 2016 at 23:04 Larry Colen <l...@red4est.com> wrote: Interestingly, Ricehigh's blo

Re: DA 35 macro on FF? Other DA on FF?

2016-03-12 Thread mike wilson
> On 11 March 2016 at 23:04 Larry Colen wrote: > > > Interestingly, Ricehigh's blog says that the DA 35 macro has severe > vignetting on full frame. When I put the lens on a film body and look > through it I don't notice severe vignetting. Has anyone actually taken > any

Re: DA 35 macro on FF? Other DA on FF?

2016-03-11 Thread David Parsons
He's still posting? On Friday, March 11, 2016, Larry Colen wrote: > > Interestingly, Ricehigh's blog says that the DA 35 macro has severe > vignetting on full frame. When I put the lens on a film body and look through > it I don't notice severe vignetting. Has anyone

Re: DA 35 macro on FF? Other DA on FF?

2016-03-11 Thread P.J. Alling
They also leave off the 50 f1.4 which is current, at least in the US and the 35mm f2.0 which was current in Japan, last time I looked, thought that seems to change from week to week. On 3/11/2016 8:42 PM, steve harley wrote: On 2016-03-11 16:04 , Larry Colen wrote: Interestingly, Ricehigh's

Re: DA 35 macro on FF? Other DA on FF?

2016-03-11 Thread steve harley
On 2016-03-11 16:04 , Larry Colen wrote: Interestingly, Ricehigh's blog says that the DA 35 macro has severe vignetting on full frame. When I put the lens on a film body and look through it I don't notice severe vignetting. Has anyone actually taken any photos with this combination? i put it

Re: DA 35 macro on FF? Other DA on FF?

2016-03-11 Thread P.J. Alling
Ricewhine has a split personality. I'd suspect that he's a Canon plant, except, Canon doesn't care what Pentax does. So I'd take any of his testing with a large portion of salt. On 3/11/2016 6:04 PM, Larry Colen wrote: Interestingly, Ricehigh's blog says that the DA 35 macro has severe

DA 35 macro on FF? Other DA on FF?

2016-03-11 Thread Larry Colen
Interestingly, Ricehigh's blog says that the DA 35 macro has severe vignetting on full frame. When I put the lens on a film body and look through it I don't notice severe vignetting. Has anyone actually taken any photos with this combination? Has anyone tried other DA lenses? -- Larry Colen