Kiwi Pentaxians

**NZ_Ross** · 01-17-2018, 10:20 PM

Originally posted by Kiwi110Auto

It would be perfect for that 250-600mm Ross.. I will have my Telescope all ready to go

I reckon, but sadly I don't expect it to be fixed by then. Greg at CW Services has pulled the 250-600mm to bits, and we know the part we need to fix it now, or if we can't find that part, 3D print it - but it is not a 5 minute exercise - I am expecting it will take a few months to get it all organised and back together.

It is really doable, just will take a bit more time

Last edited by NZ_Ross; 01-18-2018 at 11:34 AM.

**pixelsaurus** · 01-18-2018, 03:36 AM

Originally posted by Transit

the P30 has a rather good focussing screen for those into resizing for APS-C cam

Tell me more Sensei, you have me intrigued.

Kiwi645hauler · 01-18-2018, 01:14 PM

Originally posted by NZ_Ross

I reckon, but sadly I don't expect it to be fixed by then. Greg at CW Services has pulled the 250-600mm to bits, and we know the part we need to fix it now, or if we can't find that part, 3D print it - but it is not a 5 minute exercise - I am expecting it will take a few months to get it all organised and back together.

It is really doable, just will take a bit more time

Dang, that is a major shame. The joys of modern technology, the 3D printer is a great thing

Transit · 01-18-2018, 02:59 PM - **1 Like**

Originally posted by pixelsaurus

Tell me more Sensei, you have me intrigued.

Here it is Grasshopper Size of K100D focus screeen question

had fun winding them up with the sander

Last edited by Transit; 01-18-2018 at 04:02 PM.

**NZ_Ross** · 01-18-2018, 03:49 PM

Originally posted by Kiwi110Auto

Dang, that is a major shame. The joys of modern technology, the 3D printer is a great thing

I am just happy I am going to be able to fully fix it one way of another, and that then I will have gained a superb lens at a very reasonable price.

Much as I would love to have it back now, I am prepared to be patient

Transit · 01-18-2018, 03:49 PM

Originally posted by Kiwi110Auto

.... The joys of modern technology, the 3D printer is a great thing

God willing...
I just knocked the carb off the brushcutter, gunna try the epoxy then the kid next door with the 3D printer

**NZ_Ross** · 01-18-2018, 04:00 PM

Originally posted by Transit

God willing...
I just knocked the carb off the brushcutter, gunna try the epoxy then the kid next door with the 3D printer

With the lens, the bit that is broken is just a plastic ring that is part of the aperture selection mechanism. It has a shoulder with the power-zoom contacts attached. The choices are - get the part directly from Japan if available, get another power-zoom with the same part and use that, 3-D print the part. We are trying the first 2 lines of attack first prior to 3D printing.

What I do know is that we have multiple ways of fixing the lens, which is all good.

**pixelsaurus** · 01-19-2018, 04:06 AM

Originally posted by Transit

Here it is Grasshopper Size of K100D focus screeen question

had fun winding them up with the sander

Cheers. I think I might give that a miss. I think the 50mm will be a wide angle astroimager so will only be used at infinity focus.

**zkarj** · 01-20-2018, 01:46 PM

Originally posted by pixelsaurus

Cheers. I think I might give that a miss. I think the 50mm will be a wide angle astroimager so will only be used at infinity focus.

Crazy thought... measuring the depth of field in light years.

Kiwi645hauler · 01-21-2018, 12:36 AM

Originally posted by NZ_Ross

With the lens, the bit that is broken is just a plastic ring that is part of the aperture selection mechanism. It has a shoulder with the power-zoom contacts attached. The choices are - get the part directly from Japan if available, get another power-zoom with the same part and use that, 3-D print the part. We are trying the first 2 lines of attack first prior to 3D printing.

What I do know is that we have multiple ways of fixing the lens, which is all good.

That is fantastic, Greg @ CW is a brilliant technician. If he can find a way to fix it he will. I am sure when it's ready it will be fantastic

**NZ_Ross** · 01-21-2018, 12:49 AM

Originally posted by Kiwi110Auto

That is fantastic, Greg @ CW is a brilliant technician. If he can find a way to fix it he will. I am sure when it's ready it will be fantastic

I agree with all 3 statements

awa355 · 01-22-2018, 11:55 AM

Ross, I'm sorry that the big lens needs work. As I mentioned at the time, the chap who owned the lens, Phil Brown died last January. This week in the Te Awamutu library there is an exhibition of his work as a photographer. I am going up this morning to have a look.
Here is a link to the newspaper article from today's edition. I hope it will open, page three. He was a Pentax man right from the start. This might give you a bit of history behind the lens.

https://www.teawamutu.nz/waipa/archive/2018/2018-01-23.pdf

**NZ_Ross** · 01-22-2018, 01:06 PM

Originally posted by awa355

Ross, I'm sorry that the big lens needs work. As I mentioned at the time, the chap who owned the lens, Phil Brown died last January. This week in the Te Awamutu library there is an exhibition of his work as a photographer. I am going up this morning to have a look.
Here is a link to the newspaper article from today's edition. I hope it will open, page three. He was a Pentax man right from the start. This might give you a bit of history behind the lens.

Thanks for the link, and yes it did open ok. Nice to read about Phil, and what he did.

With regard to the lens, no need to be sorry - I knew it had faults when I brought it, and what needs fixing is relatively minor. It is just a matter of sourcing or making the piece required. Once that is done it will be fully functioning and at a very reasonable price. So I am happy, and still very thankful that you took the time to check it for me before purchase, that gave me enough information to bid.

I have taken photos with it, and tested it - so I know what works and how good it is, I just decided to get it fixed so that then it is good for a long time to come.

Cheers

Ross

richandfleur · 01-23-2018, 12:34 PM

Originally posted by pixelsaurus

Total Lunar Eclipse: Another one of these coming up. Hasn't been one for a while. http://www.rasnz.org.nz/images/articleFiles/Eclipses/2018/180131LunarEclipse.png

Thanks for the info. Read about this on stuff, but typically they made no mention of the details.

Kiwi645hauler · 01-23-2018, 12:40 PM

Originally posted by richandfleur

Thanks for the info. Read about this on stuff, but typically they made no mention of the details.

This is going to be a good one if the weather holds, totality will last around 75 minutes, so plenty of imaging opportunities, also being a new moon at the same time its very cool, so the penumbral eclipse before and after totality will be really bright. Will be a long night though, with penumbral beginning at 11:51 here in Dunedin, and the sun will be well on the way up at 5am when penumbral is just about over.

01-22-2018, 11:55 AM	#14727
awa355 Veteran Member Join Date: Sep 2016 Posts: 331	Ross, I'm sorry that the big lens needs work. As I mentioned at the time, the chap who owned the lens, Phil Brown died last January. This week in the Te Awamutu library there is an exhibition of his work as a photographer. I am going up this morning to have a look. Here is a link to the newspaper article from today's edition. I hope it will open, page three. He was a Pentax man right from the start. This might give you a bit of history behind the lens. https://www.teawamutu.nz/waipa/archive/2018/2018-01-23.pdf Last edited by awa355; 01-22-2018 at 12:53 PM.

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01-17-2018, 10:20 PM	#14716
NZ_Ross Kiwi Pentaxian Join Date: Mar 2012 Location: Timaru Photos: Gallery \| Albums Posts: 4,225	Originally posted by Kiwi110Auto It would be perfect for that 250-600mm Ross.. I will have my Telescope all ready to go I reckon, but sadly I don't expect it to be fixed by then. Greg at CW Services has pulled the 250-600mm to bits, and we know the part we need to fix it now, or if we can't find that part, 3D print it - but it is not a 5 minute exercise - I am expecting it will take a few months to get it all organised and back together. It is really doable, just will take a bit more time Last edited by NZ_Ross; 01-18-2018 at 11:34 AM.

01-18-2018, 03:36 AM	#14717
pixelsaurus Site Supporter Join Date: Jul 2007 Location: Te Kuiti, NZ Photos: Gallery \| Albums Posts: 986	Originally posted by Transit the P30 has a rather good focussing screen for those into resizing for APS-C cam Tell me more Sensei, you have me intrigued.

01-18-2018, 01:14 PM	#14718
Kiwi645hauler Veteran Member Join Date: Mar 2016 Location: Dunedin Posts: 394	Originally posted by NZ_Ross I reckon, but sadly I don't expect it to be fixed by then. Greg at CW Services has pulled the 250-600mm to bits, and we know the part we need to fix it now, or if we can't find that part, 3D print it - but it is not a 5 minute exercise - I am expecting it will take a few months to get it all organised and back together. It is really doable, just will take a bit more time Dang, that is a major shame. The joys of modern technology, the 3D printer is a great thing

01-18-2018, 02:59 PM - 1 Like	#14719
Transit Pentaxian Join Date: Aug 2007 Location: Whanganui NZ Photos: Gallery \| Albums Posts: 4,624	Originally posted by pixelsaurus Tell me more Sensei, you have me intrigued. Here it is Grasshopper Size of K100D focus screeen question had fun winding them up with the sander Last edited by Transit; 01-18-2018 at 04:02 PM.

01-18-2018, 03:49 PM	#14720
NZ_Ross Kiwi Pentaxian Join Date: Mar 2012 Location: Timaru Photos: Gallery \| Albums Posts: 4,225	Originally posted by Kiwi110Auto Dang, that is a major shame. The joys of modern technology, the 3D printer is a great thing I am just happy I am going to be able to fully fix it one way of another, and that then I will have gained a superb lens at a very reasonable price. Much as I would love to have it back now, I am prepared to be patient

01-18-2018, 03:49 PM	#14721
Transit Pentaxian Join Date: Aug 2007 Location: Whanganui NZ Photos: Gallery \| Albums Posts: 4,624	Originally posted by Kiwi110Auto .... The joys of modern technology, the 3D printer is a great thing God willing... I just knocked the carb off the brushcutter, gunna try the epoxy then the kid next door with the 3D printer

01-18-2018, 04:00 PM	#14722
NZ_Ross Kiwi Pentaxian Join Date: Mar 2012 Location: Timaru Photos: Gallery \| Albums Posts: 4,225	Originally posted by Transit God willing... I just knocked the carb off the brushcutter, gunna try the epoxy then the kid next door with the 3D printer With the lens, the bit that is broken is just a plastic ring that is part of the aperture selection mechanism. It has a shoulder with the power-zoom contacts attached. The choices are - get the part directly from Japan if available, get another power-zoom with the same part and use that, 3-D print the part. We are trying the first 2 lines of attack first prior to 3D printing. What I do know is that we have multiple ways of fixing the lens, which is all good.

01-19-2018, 04:06 AM	#14723
pixelsaurus Site Supporter Join Date: Jul 2007 Location: Te Kuiti, NZ Photos: Gallery \| Albums Posts: 986	Originally posted by Transit Here it is Grasshopper Size of K100D focus screeen question had fun winding them up with the sander Cheers. I think I might give that a miss. I think the 50mm will be a wide angle astroimager so will only be used at infinity focus.

01-20-2018, 01:46 PM	#14724
zkarj Site Supporter Join Date: Jan 2009 Location: Wellington Posts: 1,290	Originally posted by pixelsaurus Cheers. I think I might give that a miss. I think the 50mm will be a wide angle astroimager so will only be used at infinity focus. Crazy thought... measuring the depth of field in light years.

01-21-2018, 12:36 AM	#14725
Kiwi645hauler Veteran Member Join Date: Mar 2016 Location: Dunedin Posts: 394	Originally posted by NZ_Ross With the lens, the bit that is broken is just a plastic ring that is part of the aperture selection mechanism. It has a shoulder with the power-zoom contacts attached. The choices are - get the part directly from Japan if available, get another power-zoom with the same part and use that, 3-D print the part. We are trying the first 2 lines of attack first prior to 3D printing. What I do know is that we have multiple ways of fixing the lens, which is all good. That is fantastic, Greg @ CW is a brilliant technician. If he can find a way to fix it he will. I am sure when it's ready it will be fantastic

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01-21-2018, 12:49 AM	#14726
NZ_Ross Kiwi Pentaxian Join Date: Mar 2012 Location: Timaru Photos: Gallery \| Albums Posts: 4,225	Originally posted by Kiwi110Auto That is fantastic, Greg @ CW is a brilliant technician. If he can find a way to fix it he will. I am sure when it's ready it will be fantastic I agree with all 3 statements

01-22-2018, 01:06 PM	#14728
NZ_Ross Kiwi Pentaxian Join Date: Mar 2012 Location: Timaru Photos: Gallery \| Albums Posts: 4,225	Originally posted by awa355 Ross, I'm sorry that the big lens needs work. As I mentioned at the time, the chap who owned the lens, Phil Brown died last January. This week in the Te Awamutu library there is an exhibition of his work as a photographer. I am going up this morning to have a look. Here is a link to the newspaper article from today's edition. I hope it will open, page three. He was a Pentax man right from the start. This might give you a bit of history behind the lens. Thanks for the link, and yes it did open ok. Nice to read about Phil, and what he did. With regard to the lens, no need to be sorry - I knew it had faults when I brought it, and what needs fixing is relatively minor. It is just a matter of sourcing or making the piece required. Once that is done it will be fully functioning and at a very reasonable price. So I am happy, and still very thankful that you took the time to check it for me before purchase, that gave me enough information to bid. I have taken photos with it, and tested it - so I know what works and how good it is, I just decided to get it fixed so that then it is good for a long time to come. Cheers Ross

01-23-2018, 12:34 PM	#14729
richandfleur Pentaxian Join Date: Mar 2014 Location: Palmerston North, New Zealand Photos: Albums Posts: 1,788	Originally posted by pixelsaurus Total Lunar Eclipse: Another one of these coming up. Hasn't been one for a while. http://www.rasnz.org.nz/images/articleFiles/Eclipses/2018/180131LunarEclipse.png Thanks for the info. Read about this on stuff, but typically they made no mention of the details.

01-23-2018, 12:40 PM	#14730
Kiwi645hauler Veteran Member Join Date: Mar 2016 Location: Dunedin Posts: 394	Originally posted by richandfleur Thanks for the info. Read about this on stuff, but typically they made no mention of the details. This is going to be a good one if the weather holds, totality will last around 75 minutes, so plenty of imaging opportunities, also being a new moon at the same time its very cool, so the penumbral eclipse before and after totality will be really bright. Will be a long night though, with penumbral beginning at 11:51 here in Dunedin, and the sun will be well on the way up at 5am when penumbral is just about over.