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Search: Posts Made By: Maris
Forum: Photography in general 14th January 2024, 01:58 AM
Replies: 60
Views: 3,096
Posted By Maris
The grain in the print is a map of the spaces...

The grain in the print is a map of the spaces between the grains of the negative.
To get those spaces far apart the negative should be dense, developed in a non-solvent developer, of low contrast,...
Forum: Monochrome Film 4th January 2024, 01:34 AM
Replies: 17
Views: 1,693
Posted By Maris
Back in the 1970s I was behind the counter in a...

Back in the 1970s I was behind the counter in a camera store when a sales rep came in carrying a mysterious cardboard box. Inside were several large long neck sealed glass ampoules of a "magic" and...
Forum: Cameras - medium format 12th December 2023, 05:48 AM
Replies: 30
Views: 9,072
Posted By Maris
Just checked my C220. Yep, the yellow plastic...

Just checked my C220. Yep, the yellow plastic "washer" is there and the wind system works ok. I thought the yellow plastic part is an indicator to show the angle of the winding key to help align the...
Forum: Darkroom 24th September 2023, 12:20 AM
Replies: 26
Views: 2,488
Posted By Maris
I use a VoiceZone talking timer. A synthetic...

I use a VoiceZone talking timer. A synthetic female (?) voice counts down from the set time and announces the passage of every minute. For the last minute each 10 second interval is called. For the...
Forum: Darkroom 18th June 2023, 02:01 AM
Replies: 14
Views: 1,830
Posted By Maris
I never adjust the temperature of processing...

I never adjust the temperature of processing solutions for black and white film. It is too prone to error. Temperature is a difficult parameter to adjust precisely and it is going to drift with time....
Forum: Photography in general 7th August 2022, 12:19 AM
Replies: 13
Views: 2,407
Posted By Maris
My original answer to the dust on film problem...

My original answer to the dust on film problem was to use a 3" Staticmaster brush. Yes, this is the one with the highly radioactive Polonium 210 alpha particle emitter strip next to the bristles....
Forum: Darkroom 25th October 2021, 10:42 PM
Replies: 13
Views: 2,552
Posted By Maris
When changing contrast filters the question is...

When changing contrast filters the question is what changes and what stays the same.
With the latest Ilford filters and their Multigrade Classic paper the exposure stays the same for grades 00 to 3...
Forum: Photography in general 1st March 2021, 12:02 AM
Replies: 12
Views: 3,297
Posted By Maris
The ultimate bellows repair material is 3M type...

The ultimate bellows repair material is 3M type 850 black polyester tape: very thin, very black, with a strong non-bleed. non-creep adhesive. Ideally all bellows should be made of this stuff....
Forum: Monochrome Film 19th October 2020, 01:38 AM
Replies: 32
Views: 10,463
Posted By Maris
Surely Xtol run as a replenishment system has got...

Surely Xtol run as a replenishment system has got to be the world's best and cheapest ready-made developer. Here in Australia it costs me about 30 cents per film. That's about 17p in UK money. And it...
Forum: Monochrome printing techniques 19th March 2020, 01:10 AM
Replies: 25
Views: 10,214
Posted By Maris
I use a Staticmaster brush, the one with the...

I use a Staticmaster brush, the one with the radioactive Polonium 210 alpha particle emitter strip. The radioactive strip has a limited half-life so a replacement once a year is recommended. The...
Forum: Photography in general 26th November 2019, 10:41 PM
Replies: 37
Views: 8,239
Posted By Maris
Pre-washing film is pretty well essential with...

Pre-washing film is pretty well essential with replenished developer systems.

My replenished Xtol stock of 1.6 litres has been working since 2007 and has had hundreds of films through it. If I...
Forum: Darkroom 22nd October 2019, 10:09 PM
Replies: 9
Views: 2,332
Posted By Maris
There is a lot of depth of field on the enlarger...

There is a lot of depth of field on the enlarger baseboard at moderate enlargements, maybe a centimetre or more. Move your grain magnifier up and down a surprising amount and you will see the grain...
Forum: Darkroom 21st August 2019, 11:34 PM
Replies: 7
Views: 3,737
Posted By Maris
It is possible to test an enlarging lens for...

It is possible to test an enlarging lens for significant damage by looking at fine (fine!) lines in the image. If the lens is compromised black lines against a light background will come out wider...
Forum: Manufactured brews 6th January 2019, 11:34 PM
Replies: 26
Views: 14,325
Posted By Maris
I use Fotospeed FX30 Odourless Fixer and...

I use Fotospeed FX30 Odourless Fixer and Fotospeed SB50 Odourless Stop Bath in my darkroom. Because there is no smell I don't need a fume extraction system and run an air-conditioner instead; very...
Forum: Photography in general 9th March 2018, 01:14 AM
Replies: 12
Views: 4,983
Posted By Maris
In the youtube presentation note the double...

In the youtube presentation note the double exposure at about 22:35. Unless, of course the usual dark slide convention - white side = unexposed, black side = exposed - has been flipped. No one does...
Forum: Cameras - medium format 12th November 2017, 12:55 AM
Replies: 10
Views: 6,856
Posted By Maris
When I get stray blank frames with my Mamiya RB67...

When I get stray blank frames with my Mamiya RB67 it's because I've left the lens in the "mirror up" setting after doing some cable release actuated long exposure shots. Remembering to set the lens...
Forum: Photography in general 26th March 2017, 09:46 PM
Replies: 8
Views: 3,426
Posted By Maris
I've used a lot of photographic materials that...

I've used a lot of photographic materials that have sensitivity values well below what light-meter dials were designed to accommodate. The easy way out of the problem for me is to set an ISO value...
Forum: Photography in general 3rd March 2017, 11:03 PM
Replies: 10
Views: 5,081
Posted By Maris
An interesting point vincent. I'd suggest the PO...

An interesting point vincent. I'd suggest the PO clerk is wrong. Photographs on paper are not fungible. This is because they are the actual photographs in question. The PO clerk, by referring to...
Forum: Monochrome Film 21st February 2017, 11:31 PM
Replies: 14
Views: 6,375
Posted By Maris
I just tested some Kodak HIE 35mm that had been...

I just tested some Kodak HIE 35mm that had been in room storage since it expired in 1999. Behind a #25 red filter a useable EI was 50. Base fog was 0.6, a very high value, but the negatives enlarged...
Forum: Darkroom 8th February 2017, 12:36 AM
Replies: 17
Views: 6,159
Posted By Maris
Here's how I calibrate a test for the strength of...

Here's how I calibrate a test for the strength of paper fixer.

Use small pieces of thoroughly fogged photographic paper. Place one drop of known freshly mixed paper strength fixer on each and...
Forum: Photography in general 1st February 2017, 11:10 PM
Replies: 8
Views: 3,700
Posted By Maris
Just for fun, I feature in issue #46. Tim Steele,...

Just for fun, I feature in issue #46. Tim Steele, the editor, seemed to tolerate my avowedly non-digital approach.
Forum: Monochrome printing techniques 26th December 2016, 10:35 PM
Replies: 15
Views: 8,289
Posted By Maris
Undiluted "neat" rapid fixer (Ammonium...

Undiluted "neat" rapid fixer (Ammonium thiosulphate based) fixes very slowly compared to a 1+4 or even a 1+9 dilution. Why? The reason is that fixer concentrate has very little water in it. The...
Forum: Cameras - medium format 7th November 2016, 11:49 PM
Replies: 5
Views: 4,293
Posted By Maris
I've only encountered two cable release socket...

I've only encountered two cable release socket failures and in both cases the problem was caused by the socket containing the broken off tip of a previous release. A fine screw driver jammed in and...
Forum: Monochrome Film 18th May 2016, 10:42 PM
Replies: 14
Views: 6,774
Posted By Maris
My 1.6 litre bottle of replenished Xtol is 9...

My 1.6 litre bottle of replenished Xtol is 9 years old and has done hundreds of films. Replenishment rate is 90ml per film and the replenisher is a 5 litre batch made up and stored as 5...
Forum: Monochrome printing techniques 22nd February 2016, 08:40 PM
Replies: 14
Views: 8,877
Posted By Maris
My experience is that Dektol paper developer...

My experience is that Dektol paper developer diluted 1+2 from stock shows no significant decline in activity if left in an open tray for a day. After three days developer activity is down about 20%...
Showing results 1 to 25 of 183

 
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