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 Replies: 612 / Views: 111,659 |
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Valued Member
 Canada
478 Posts |
I just wanted to resurrect this thread because of all the great info that helped me with my set up. I'm a guy that knows nothing about photography but with the help of my friends on here they pointed me in the right direction to first purchase what I needed and then hold my hand through the process. My pictures IMO are amazing, thank you to all that helped me with my quest.  Edited by rmc
09/05/2014 10:46 am
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Moderator
 United States
23522 Posts |
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Rest in Peace
United States
4078 Posts |
This is a fantastic thread.  |
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Pillar of the Community
Canada
9162 Posts |
I just reread this tread and in one post "rmc" you said you where having trouble with 2 lights so you added 2 more,
Is this what you are using now 4 lights and if so what position are they in?
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Valued Member
Canada
478 Posts |
Im using 2 jansjos with diffusers and a telescoping arm desk lamp. There is no set position for the lights....every picture is a little different and may need some adjusting. BU pennies a the hardest coins to capture.
I also use a piece of picture frame glass set at a 45 degree angle between the lens and coin....I have the desk lamp pointing horizontal and at roughly coin level. The 2 jansjos are above but are diffused. Hard to explain...if I get a chance I will post some pictures.
I never had good luck with direct light pointing at the coin
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Pillar of the Community
Canada
9162 Posts |
Thanks Brent, pic would be great, will play around.
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Valued Member
Canada
478 Posts |
Edited by rmc
10/12/2015 7:11 pm
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New Member
Canada
6 Posts |
Hello Chute72, You wrote this over 2 years ago........ """ Posted 09/14/2013 5:37 pm I have had very good luck with my old drill press. I has enough height to use my bellows as well. Saw two of them at garage sales last weekend. You may already have one. Just one more option.""" Thank you for this idea Chute72, I tried to send to you an email but I could not because I am a new member and don't have the required number of postings to do so. I hope you read this little thank you letter. I am going to use my drill press, the same as yours, with a Soligor Flexomatic Double track bellows that has been in the closet for so many years now. I will be using an old Omega 50mm enlarger lens with the necessary T2 adaptors. Feel free to email me and I can then send pictures of my set up. Regards to one and all.  |
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New Member
United States
43 Posts |
@1931Loonie, Ray may chime in on this as well... But, you may find that the 50mm may yield too much magnification for larger coins. A 75mm is a very good all around lens from dimes to full slab shots. I'm not sure as to what you plan on shooting, but if it's all coins then this advice may help.
Edited by jtlee321
10/19/2015 12:42 am
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Pillar of the Community
United States
4038 Posts |
That is true, the minimum extension of the bellows may be too long to capture larger coins with 50mm. 75mm or 80mm may work better...Ray
Edited to add:
I wrote the following to another forum member to explain the above, and thought I'd post it here:
The reason the shorter lenses are higher magnification than longer lenses is that the minimum extension of the bellows is a fixed length. The formula for magnification is:
M = (TE-FL)/FL
Where TE = Total Extension and includes the 44mm of sensor to lens mount distance. A typical bellows has 45mm of minimum extension. You also need some adapters, which add perhaps 11mm. So the shortest you can make the TE is around 100mm.
So for a 100mm lens, you can achieve M=0, or infinity focus.
For a 75mm lens, you can achieve minimum M=0.33, which will comfortably allow a Dollar to be framed on APS-C
For a 50mm lens, you can achieve a minimum M=1, which will not even allow a Cent to be framed on APS-C
For a 35mm lens, you can achieve a minimum M=1.85
Contact me for photographic equipment or visit my home page at: http://macrocoins.comEdited by rmpsrpms
10/19/2015 11:20 pm
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Pillar of the Community
United States
1298 Posts |
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Pillar of the Community
Canada
2784 Posts |
hello ham I am the bidder. I know what I am will to pay for it may the lens
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New Member
United States
43 Posts |
Hello Ham, I own that lens. It will work great for Morgans. It is incredibly sharp. Here are a couple of images I have shot using it.   |
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Pillar of the Community
United States
1298 Posts |
rocky, sorry I did not know you were bidding on that lens. I will stay away-hope you are successful.
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Pillar of the Community
Canada
2784 Posts |
hello ham no problem. it got to rich for my me at the very end. I hope you find one ham for myself I am in no hurry. I have another lens. I am working on next week. I cross the border to pick it up. ham if it works like I think it will. I tell you how to put one together. if your interested the result the on the other forum are amazing. I find I have some pieces. I set the camera on a piece of the lens and turned on liveview to focus. its really some thing else. I have to fid away to control the magnification. its so powerful you get a 3D effect but the top of the coin is so detailed. the rim is fuzzy that how much mag you have with this lens. rays idea with the tube and little hole may help this. what ray did there with his lens is the same idea that long distances marksman use on there riflescopes. ham have a great one
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Replies: 612 / Views: 111,659 |
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