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I believe 480mm would be 2:1, used to know this stuff.

Tom

I spent about 5 years with a Horseman 980 6x9 field camera, had a lot of stuff with it, 65, 105, 150 Horseman lenses and a 270 Rodenstock Rotelar, sliding back to use ground glass with a roll holder...

Had a Grover for about a year, used it with a 10 inch Commercial Ektar. Was just too big and heavy for the work I wanted to do, bought it with a tripod but wasn't strong enough. Sold it an purchased...

This is one of the medical instruments I shot with the Nikkor 120, used a Calumet/Cambo with a Linhof 2 1/4 x 2 3/4 back. The instrument is the size of a pen, the tube on the pen is 1mm across.
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The Nikkor apo 120 is an amazing lens, I used it for medical micro instrument photography. At 1:1 and going up to 2:1 you have to watch your movements but the swings and tilts can give you the DOF...

Powdered chemicals in a sealed bag will generally be fine, as said before if dark brown when mixed it is NG. If the powder has brown flecks in it that is likely oxidized developing agent and it will...

Used to use one of those, dry 18 rolls of 35mm at a time, or 24 sheets of 8 1/2 x 11 litho film (another almost extinct species). Only thing to use if you are processing large film to keep the dust...

What paper are you using? Uneven coating has been a problem with some of the gloss/semi gloss Baryta papers. I have mostly used Ilford Gold Fiber Silk and have not run into a problem, this is with a...

The folks at the BLM Paria station say it is easier to get in via the morning lottery, but may take 2-3 chances. Also have a four wheel drive vehicle, the road into the hiking trail is nasty. As it...

Your Epson is a $500 scanner, does as well or better than other $500 scanners. Max ppi is about 2000, possibly 3200 on small film. A 4x5 scanned at 2000 ppi will give a 26x33 (approx) print at...

I met Karsh 3 times, 1st time was a funny story involving coffee. The next two were with photo sessions for 2 doctors I worked for. The first ws for the founder of the practice, quite famous as a...

Larry,
How did that happen? I live on the NH, Vermont border and buy a lot of stuff in NH, unfortunately not photo equipment as our last area photo shop closed last year. We recently bought some...

I'd be concerned with pollutants introduced with the lemons, I would at least run the lemon solution through filter lab grade filter paper. I'd try the filtered solution with some throw away film and...

My last equipment lease turned into a sales tax nightmare. The price in the lease documents included the state sales tax, that was fine with the original leasing company, but they were bought out by...

Ilford Gold Fiber Silk is super with Canon inks, I used the Ilford profile with my Canon iPF 5000, just beautiful prints. Color tonality is great. Less of a white base than Epson Exhibition.
Not...

You can use old not so good processed film to practice. I always had the top of the reel to the left, the opening facing away from me, slide the film in, a slightly loose fit is better than a tight...

As was said before the problem is dust, you spend longer dedusting than a scan takes. In the end with 35mm the results with an Epson at 3200ppi and a 10 mp D200 on a Bessler slide duplicator were...

I looked at that one a couple of weeks ago, fast work for very nice results. Amazing someone thought of the grey paint made the camera look better.

Tom

I had a Componon 150 that was excellent at home and a 135 Nikkor at work, I liked the Componon better. I always felt Nikkors had one or two very good fstops, while Componons were very good everywhere...

Already have a really nice Nikor 4x5 tank, its only problem is that it holds 1300cc to develop properly, I also don't have a facet that can hold my gravity works washer. So I can't just have 1 liter...

I always liked T-Max developers for T-Max film, that way the film kept its published speed, with D-76 I had to use ISO 100 or 200 or get too much contrast, never used Pyro.
One question, I lost my...

Have worked as a photographer with ophthalmologists for 30+ years. Not much you can do with floaters the any surgery is too risky. If the floater has changed or gotten much worse or you see a shower...

With my V700 PS won't take it in 64 bit mode, so I run a 32 bit version for the scanner. I heard somewhere that the latest version of the software is compatible with 64 bit PS.
Also PS will take...

I have a Davis and Sanford A which goes to 4.5 ft and a B which goes to about 8ft. The B is a beater I bought at a flee market for $10 but has helped when I need its perspective, the A is my normal...

When I was starting out in the late 60s, most photographers used plain pen handle with a fine pen point on it. Too much ink was always a problem, right now an ultra fine sharpie would be a good...

There is also the Davis Sanford B will get to 8ft without a head, fairly stable. Gitzo used to have a ladder pod, but that was years ago.

Tom

Epson V700, reviews have it as an improved version of the 4990. Epson clearance center has refurbs at about $150 less than new, but they don't appear frequently, keep looking, if you like long...

I used a shower valve that I had go into a 1 inch pipe which i had an Arkay rotary thermometer coming out of. Worked well held temperature well unless someone else was using water. Could get a good...

Having done inkjet printing for 10 years or so, do yourself a favor and buy a printer with larger cartridges. The Epson 3880 is in this category and can be found, refurbs, used for under $1000. B&W...

I received the news that the mobo gave out on my Expression 1600, called my office's computer supplier who told me they had just received their first V700, we bought it, supposedly one of the first...

First heard about an Epson 900 about a year an a half ago, got tired of waiting and bought aV700, was sure the 900 would come out a week later. Hasn't yet, have had the V700 for 6months.

Tom

Most photochemistry is super saturated solutions so anything below 40 degrees F for regular chemistry and below 50 degrees F for concentrates can be problematical. Once the chemicals precipitate out...

I always scan at higher bit depths, I have scanned 4x5 at 2000ppi and at times this was using a Lenovo laptop and 1 gb of memory. With a V700 not a V750, I had one of the first V700 in the US, long...

I have used the Epson Pro Software for the 4 years I have been using the V700. Works fine, very easy to work with.
Question for LJ Segil, 8x10 at 2400 ppi you are looking at a gig plus for b&w. For...

Use the professional section of Epson Scan, on my V700 I tried Silverfast SE when I first had the scanner and didn't feel it was any better than Epson Scan. I have used Epson Scan now for 5 years and...

About 15 years ago I took a monopod in my camera bag and the guy on the xray thought it was a gun, got taken into a room with some officers. They pulled it out and started laughing, said the monopod...

I have used one for years a few tips.
1) Practice loading the film, there is a little trick to it. Make sure the height is set right.
2) Make sure the emulsion doesn't touch the spring separators...

I'd fix it, the Linhof name on the shutter adds a little value to the lens, worth keeping it. Selling it broken always greatly devalues any product, not a great option. This is a good modern lens...

Back when i still did film for medical image. I shot a study on pushed TMax 400 then used Litho film for the printand processed it in paper developer, best was Edwal Platinum, but Dektol worked too....

I have a Davis Sanford B Tripod that goes to 8ft fully extended, with a ladder, a Gitzo Rational 4 head works for LF. Having worked off cherry pickers and a fork lift with a solid pallet, neither...