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Search: Posts Made By: Martin Rick
Forum: News and Announcements 20th June 2020, 05:00 AM
Replies: 29
Views: 959
Posted By Martin Rick
As one ex M&B worker and chimio patient to...

As one ex M&B worker and chimio patient to another, keep your spirits up!!
Forum: Photography in general 1st May 2020, 09:33 AM
Replies: 6
Views: 202
Posted By Martin Rick
Bromide drag

Although it's something I've never seen, I've read a little about the phenomenon and the explanations given and they seem to clash with my limited knowledge of chemistry and the behavior of...
Forum: Chemical formulae 25th April 2020, 06:46 AM
Replies: 5
Views: 557
Posted By Martin Rick
Sodium thiosulfate in a developer?

Sodium thiosulfate in a developer?
Forum: Monochrome printing techniques 9th March 2020, 05:02 PM
Replies: 21
Views: 932
Posted By Martin Rick
My hair is made of natural fibres (for the time...

My hair is made of natural fibres (for the time being at least) and is very susceptible to static:confused:
Forum: Darkroom 6th March 2020, 02:11 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
Well, I got some useful opinions of Minolta...

Well, I got some useful opinions of Minolta enlarging lenses before it went off topic. But that's what happens in most common conversations anyway. At least it's stayed on enlarging and not whether...
Forum: Darkroom 5th March 2020, 07:55 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
Those were the days when as well as the Taylor,...

Those were the days when as well as the Taylor, Taylor and Hobson, you could buy British Ross, Wray and Dallmeyer lenses.
Forum: Darkroom 5th March 2020, 10:05 AM
Replies: 40
Views: 1,269
Posted By Martin Rick
It seems that any time one asks about a...

It seems that any time one asks about a particular enlarging lens, the answer is always something like, "it's (not) as good as brand X" with both opinions being offered. However the majority opinion...
Forum: Darkroom 4th March 2020, 09:23 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
I've tried Firefox and Chrome with no luck:(

I've tried Firefox and Chrome with no luck:(
Forum: Darkroom 4th March 2020, 08:27 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
I'm not very good at repairing mechanical things...

I'm not very good at repairing mechanical things and, despite my best efforts, I seem to always end up with a nut, bolt or washer left over and nowhere to put it. I've looked at a couple of YouTube...
Forum: Darkroom 4th March 2020, 05:56 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
I had a Mamiya 645 that I picked up for peanuts...

I had a Mamiya 645 that I picked up for peanuts complete with the standard lens and 140mm portrait lens, but I had made up my mind to sell it for profit, having put a roll through it to check before...
Forum: Darkroom 4th March 2020, 02:03 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
Thanks for the warning, my bank manager will send...

Thanks for the warning, my bank manager will send a letter of thanks:D
Forum: Darkroom 4th March 2020, 02:00 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
It looks l ike it's a dead link.I get a "server...

It looks l ike it's a dead link.I get a "server not found" error message.
Forum: Darkroom 3rd March 2020, 09:43 PM
Replies: 11
Views: 4,301
Posted By Martin Rick
Indeed, the 6x9 mixing box is larger than the 6x6...

Indeed, the 6x9 mixing box is larger than the 6x6 and 24x36 and while it fits in the colour head, it doesn't fit the negative stage. In the end, I took a hacksaw to it and made it fit. The Opemus 7...
Forum: Darkroom 3rd March 2020, 04:52 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
I was going to say that it's my first dabbling in...

I was going to say that it's my first dabbling in MF, but I've just remembered that my very first camera was a 1950ish Ross Ensign Ful Vue, but the film was sent to the chemist's to be developed and...
Forum: Darkroom 3rd March 2020, 02:48 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
Photo Cornucopia lists the 80mm as a 6 element in...

Photo Cornucopia lists the 80mm as a 6 element in 4 groups Orthometar (?) design for up to 6x7 format, whereas the 50 mm is 6 element 5 groups Variant Gauss design, That hopefully means a lot more to...
Forum: Darkroom 2nd March 2020, 09:10 PM
Replies: 40
Views: 1,269
Posted By Martin Rick
Minolta CE Rokkor 80mm f5.6

I've just won on Ebay an auction for the MF Rokkor for my Opemus 6 (it'll replace a cheap 3 element lens). Has anyone else got one? Was it worth the 21 pounds I paid for it (seller's description no...
Forum: Chemical formulae 29th February 2020, 08:24 PM
Replies: 11
Views: 831
Posted By Martin Rick
I found that M&B's Promicrol back in the 60's...

I found that M&B's Promicrol back in the 60's worked wonders with FP4. It's long been discontinued due to carcinogenity concerns with HEAP sulphate. It also used glycin. The promicrol sold by...
Forum: Introductions 21st February 2020, 04:36 PM
Replies: 12
Views: 543
Posted By Martin Rick
Bona tarda, Daniel, from the principality of...

Bona tarda, Daniel, from the principality of Asturias.
Forum: Darkroom 2nd February 2020, 01:12 PM
Replies: 11
Views: 4,301
Posted By Martin Rick
The colour head is, however, common to the...

The colour head is, however, common to the Axomat, Opemus and Magnifax enlargers and therefore I cannot see why the mixing chamber should foul the enlarger when attached. 6x6 mixing chambers seem to...
Forum: Darkroom 2nd February 2020, 10:02 AM
Replies: 11
Views: 4,301
Posted By Martin Rick
Sorry to resurrect an old thread, but I've got a...

Sorry to resurrect an old thread, but I've got a query. I have a colour head 3 for my Opemus and no problems. However, I bought a Flexaret TLR and needed a bigger light box. One for 6x9 was...
Forum: Monochrome printing techniques 26th January 2020, 05:57 PM
Replies: 12
Views: 736
Posted By Martin Rick
I think he also made claims that a large...

I think he also made claims that a large proportion of top enlarging lenses were badly centred and this was reflected in uneven performance.
Forum: Equipment miscellaneous 25th January 2020, 07:03 AM
Replies: 29
Views: 1,539
Posted By Martin Rick
The column on mine seems to be 40 mm OD. It would...

The column on mine seems to be 40 mm OD. It would appear possible to make an extension to fit the lower end of 10-20 cm with similar section steel tube with an internal reinforcing spigot. Column...
Forum: Darkroom 23rd January 2020, 07:48 AM
Replies: 17
Views: 586
Posted By Martin Rick
Metol, hydroquinone, 4-aminophenol etc. are all...

Metol, hydroquinone, 4-aminophenol etc. are all organic chemicals.
Forum: Darkroom 22nd January 2020, 05:56 AM
Replies: 17
Views: 586
Posted By Martin Rick
The amount of butane in the ullage of the bottles...

The amount of butane in the ullage of the bottles we use would pose a minimal risk.
Forum: Darkroom 21st January 2020, 09:49 AM
Replies: 17
Views: 586
Posted By Martin Rick
I agree that glass bottles are best for long term...

I agree that glass bottles are best for long term storage but it occurs to me that vacuum pumps are unlikely to remove all the air. Tetenal's Protectan spray is a better, albeit costlier, solution...
Showing results 1 to 25 of 96

 
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