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Pentax 67

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#26 jrw11

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Posted 16 April 2008 - 10:22 PM

The Rb67 does have a threaded hole to mount onto a tripod. I was wondering since the camera is about 10 1/2 to 11 inches long and about 5-6 lbs. That it might be too big to put on top of the 6" reflector. I might need to just mount it onto the scope mount Or, somehow mount it with one of those scope attachments where a person can mount a scope and camera side by side. The 80st next to the camera.It came wih a 220 roll filmholder. I'm going to have to order a 120 holder as soon as I can.

#27 Nebhunter

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Posted 16 April 2008 - 10:43 PM

I think the side by each arrangement would work. Check out that ADM site. That's what I'm looking at, the side by each, plus another one.

#28 AstroBobo

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Posted 17 April 2008 - 12:17 AM

Hi Boris, that link is helpful which lists the lenses and puts a value on the quality. Maybe we should start our own list, so that we can compare notes between each other. We will definitely be a small group - but exchanging information should be helpful on lenses, exposures, etc.


Nightfly posted the link :)

You can join the Pentaxastro yahoo group:

http://tech.groups.y...up/pentaxastro/

..it's about everything Pentax for astronomy.

#29 jrw11

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Posted 17 April 2008 - 01:35 AM

Thanks Nebhunter! I will have to try out that ADM website. While I know this is a Pentax 67 thread. All of you talking about your 120 size slr's, tempted me to add one to my medium format collection. That Pentaxastro yahoo group looks great!

#30 Nebhunter

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Posted 17 April 2008 - 09:56 AM

Gads, there's a Yahoo for everything. Never thought of checking there. Well, goes to show, the more you ask, the more quisical you facial expressions.

Igor

#31 Nightfly

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Posted 18 April 2008 - 07:09 PM

Good luck with the Pentax. I love mine. I think I might be bidding against you on the 55mm or the 45mm. Let us know how you make out.

#32 Nebhunter

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Posted 18 April 2008 - 09:11 PM

Got my 67 Friday - cleaned up the lenses - they are pristine - the 90 is mint - the 135 some wear from handling as obviously it was used a bit. Posting some pictures. Did I mention that a 67 is BIG? Compare it to my OM-1.

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  • 2337205-67&OM1.jpg


#33 Nebhunter

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Posted 18 April 2008 - 09:13 PM

Here's the 67 and my Konica with a 35 - 100 Vari Focal lens. It has an 82mm aperture at 2.8 - Hexanon. The 67 has the 135mm lens.

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  • 2337208-67&Konica.jpg


#34 Nightfly

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Posted 18 April 2008 - 09:15 PM

Yes it is big! A real man's SLR! Firing the shutter is like a bomb going off. In a crowd of photographers, there looking at you and your 67!

#35 Nebhunter

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Posted 18 April 2008 - 09:17 PM

Here is my imaging set up for wide field. An EQ6 with GO TO and GPS - a 15 ADM DUP. The 80 Equinox to guide with, and the Pentax 67 on the other side.

I may get a wider rig where I can mount the Equinox with my OM-1 on the left side, the 80 Orion guide scope in the middle, and the 67 on the right. Mix and match.

Sorry about the lousy photo - *BLEEP* digital camera. Might take one tomorrow to show better detail.

Attached Thumbnails

  • 2337225-Equinox&67.jpg


#36 jrw11

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Posted 18 April 2008 - 09:48 PM

Fantastic, Nebhunter!
:waytogo: :waytogo: :waytogo:

#37 Nebhunter

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Posted 18 April 2008 - 10:01 PM

Thanks for the link. I have a line on a mint 45mm lens but it's also very expensive. Don't know how it compares to the 55, but they say both are very sharp. The 165 seems to be a great fit, and I'm torn between it, and a 200 and 300mm lens. I would like to think a 300 could be used to zoom in so to speak on areas - nebulae within the Milky Way to compliment the wide field shot. Any thoughts on this.

Now I'm wondering how much use the Equinox 80 will get? It's 500mm, and that's not bad on a 35mm, but I suspect I'm really going to get hooked on medium format. I could sell the Equinox and look for a 500mm lens instead. No issues with focusing with the Stiletto device on a telescope. Set the lens to infinity and have at it. Sure simplifies things.

Igor

#38 Nebhunter

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Posted 18 April 2008 - 10:21 PM

Thanks. Unfortunately I can't get any E200 film for about 2 weeks. That's how long it will take ordered in.

At least it should be hear in time for the Milky Way. In the meantime a grabbed some Fuji Colour print 160 for test shots for infinity etc. Plus a B&W roll - if my mind can ever get back to being creative again.

#39 jrw11

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Posted 18 April 2008 - 10:51 PM

Igor,
Medium format is addicting. The 500mm lens on the Pentax would be like a 250 in 35.

#40 Nebhunter

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Posted 19 April 2008 - 12:13 AM

Just shot my first roll at the full moon. High cloud, but I wanted to test infinity. 5 shots with the 135mm lens and 5 with the 90. Both at F8 and shutter from 15 up to 60.

Tomorrow I go out into the woods and do the B&W film. I put a B & W filter on each lens. Nice glass. I'm hooked. The sound of that mirror when it's tripped - oh yea.

Now I'm thinking, and it's staring to hurt. The OM-1 with the Equinox apo (500mm F6.2) is nice for wide field cluster shots. But, you have to focus first with the camera on a bright star, remove it, install the STI Stiletto focuser, fine focus, lock the focuser and remove the STI and replace with the camera. Frame the object and start the exposure.

With a lens - probably need an 800mm to match the OM-1 - set lens to infinity, frame, set exposure, and shoot. Sure simplifies everything. Now I'm worried.

Maybe I should keep an eye out for a 2x teleconverter? I could use it with the Tec 140 scope. Hmmm.

#41 jrw11

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Posted 19 April 2008 - 01:15 AM

I had it backwards.The 500mm would be like a 250 in 6x7.

#42 AstroBobo

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Posted 19 April 2008 - 01:20 AM

No, you got it right the first time :)

#43 jrw11

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Posted 19 April 2008 - 11:41 AM

Your right Astro, Guess I get dyslexic. sometimes! :)

#44 Nightfly

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Posted 20 April 2008 - 05:45 AM

Just a thought on using the equinox 80 with the 67. Will it illuminate the entire film frame? Probably not. That's a tall order. The 300mm would be a fantastic lens for wide close-ups. I'm looking at that one myself. Looks like your having fun.

#45 Nebhunter

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Posted 20 April 2008 - 01:31 PM

I am having a ball. I've been a 35mm guy all my life. Tons of slides from photographing Formula 1 inside the ropes, South African safari, travelling Europe. I get out 1 day with the medium format, take a few landscape shots in B&W, and realize how the 35mm limited my view and creativity.

My mind tried to deal with what was, and what I see now thru the viewfinder. A long row of tall trees just coming out of winter hibernation, still to bud, thick branches reaching into a pale hazy sky due to high thin clouds. The 90mm lens just fit the scene. I soon realized why the 45 or 55mm lenses are so sought after.

I walked along the walkway in the park with a different purpose - looking for an opportunity and letting the mind comprehend the new possibilities. I have to agree regarding the 300mm lens and filling the frame. Now I understand.

The Equinox 80 will be the guide scope, and is a sweet grab and go scope. I was going to make room on the cross bar for the 67 and the OM-1, but not any more. Ebay, here I come - again.

#46 Nebhunter

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Posted 20 April 2008 - 02:22 PM

You mean we are both looking at the 55 and 300 lenses? I understand what you mean by medium format adding new blood to film photography. I wish I had some new money to add to it as well.

#47 Nightfly

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Posted 20 April 2008 - 03:01 PM

yea, I'm hoping not to break the piggybank on a 55mm. The latest 55mm is the best (the SMC 67, vs SMC 6X7, OR SMC Takumar). As for the 300mm, they all use the same lens formula, except the ED IF 300. Those sell used for a $1,300.00 and up! But what a lens!
I'll opt for a standard SMC 67 300mm that will sell for $225.00 to $325.00. I've seen what this lens can do and can't wait to shoot with it.
The 200mm SMC 67 is a great lens as well, very sharp. All those photographers trading in their old film gear to go digital is a real boon for us film guys! Hope you find a great deal on these lenses.

#48 Nebhunter

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Posted 20 April 2008 - 03:21 PM

More power to those digital guys. Abandon ye thy SMC67 lenses, and give us - the deserving (for not abandoning the truth) the chance to give them new life.

Thinking on the many listings on Ebay, these lenses appear to be typically very well looked after. After dropping more than a grand on a new lens, who wouldn't? There seems to be a steady stream of lenses.

It might behove us to wait before bidding. Let these lenses go, as there are many after them. Give it awhile, where there is still demand, but fewer buyers?

Personally, I'm going stay reasonable in my bidding. Once that 55 lens gets up there I'm letting it go. There will be others coming along. I should have gone the "Buy Now" on that mint 165 F4 that just went, but again, there should be others.

I will be keep looking for one of those 300 ED lenses. That would be worth breaking the bank for.

#49 jrw11

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Posted 20 April 2008 - 03:55 PM

Nebhunter,
Now you know why I only use 35 for astro shots. More power to the digital guys, but, I've always wondered how many of them who question us that use film. Take their antique car to car shows, fix tube radios, or shop at antique stores.The used medium format pro cameras are the best.The only thing that people need to know is that since alot of them were severly used by pros, that a person might find that it needs a overhaul. But, since so many of them can be bought so cheaply. it is still a good deal.

#50 Hambone

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Posted 20 April 2008 - 05:24 PM

I cant wate to see some photos!!!!! :jump: :jump: :jump:


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