These images were created with the Nikon F4. The lens was the Micro-NIKKOR-P Auto 1:3.5 f=55mm. Most of the images were shot at the box speed of 125 ISO; when the light was unavailable, I pushed the film one stop.
Western Red Cedar (Thuja plicata). The tree is not a true cedar; if it was, it would be in the genus Cedrus. The word plicata comes from the Latin word plicāre, which refers to folding or bending.
Western Red Cedar bark.
Douglas Fir Bark (Pseudotsuga menziesii). Pseudotsuga is the genus or taxonomic rank of evergreen trees the tree belongs to. Archibald Menzies, a Scottish Physician, first documented the tree in 1791 on Vancouver Island.
Red Alder (Alnus rubra). Alnus is a genus in the Birch Family. Rubra is red in Latin and refers to the red dye that can be made from the bark and the red color of the wood when cut.
Pacific Madrone (Arbutus menziesii). Arbutus is the genus. Archibald Menzies is also the first to document this tree. The bark peels off naturally as the tree increases in bulk. The smooth coppery colored bark underneath will eventually do the same thing. Think of skin exfoliation.
Scotch Broom (Cytisus scoparius). Cytisus is a genus of flowering plants. Scoparius is Latin for sweeper. It is considered an invasive species. It displaces native and beneficial plants, causing the loss of grassland and open forest. It aggressively spreads to form monocultures, replacing desirable forage grasses and young trees. Seeds are toxic to livestock and horses. (https://www.nwcb.wa.gov/weeds/scotch-broom)
White Fawnlily (Erythronium albidum). Erythronium is a genus in the Lily Family. Albidum comes from the Latin word albus, which is the word for white.
Another view.
Western or White Trillium (Trillium ovatum var. ovatum). Trillium is a genus in the Bunchflower family. Ovatum is derived from the Latin word Ovum, which means egg-shaped, in reference to the plant’s leaves.
Sweet Coltsfoot (Petasites frigidus var. nivalis). Petasites is a genus in the Sunflower Family. Frigidus in Latin means cold or cool. Nivalis in Latin means snow, growing near snow, or immediately after the snowy season.
Steven Lawrence Pictures 
This is an excellent set of forest photos, Steven Your Diafine has 46 rolls through it and shows no signs of degradation—Impressive.
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It is impressive. There is one concern. The last few rolls have more dust than normal. I need to make sure it is dust.
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If it’s particulates in the developer solutions causing the spots and not dust, you might be able to filter the two solutions through some good quality coffee filters to resolve the issue.
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I have good coffee filters and was wondering if that would work. They are paper based so I was hesitant.
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I’ve never filtered photochemistry solutions myself because I’ve never had a need to, but I’ve read a great many times over the years on forums/blogs/sites/etcetera from others that they have and have done so using coffee filters (presumably paper) with good success. So I know it can and has been done. Usually they’re filtering their fixer, but I’ve seen people do it for developers as well, especially if they’re making homebrew developers from scratch which oftentimes results in a bit of sediment developing. Do some research and if you decide to give it a go, I hope it works out well for you. Of course, as I’m sure you’re aware, you want to make sure the developer is the problem first and that it’s not just a dust issue. Otherwise, the whole filtering endeavor would be pointless. Take care, Steven.
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I am starting with the fix. I am going to change it every couple of weeks.
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I was wondering how many times you used the Diafine too. That is remarkable. Especially looking at these results. Cedarwood Virginia and Atlas are in my favourite top five aromatherapy essential oils. Photographs of bark like these remind me of the unique scents of their resins. All the best.
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I mixed in the Diafine in early December. I have other developers on the shelf but until an issue arises there they will stay.
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If it ain’t broke…..don’t fix it. 😊 Great that you have found a solution (excuse the pun) to long term consistent quality. Shame I cannot echo that philosophy with my VeeDub Bus at the moment. All the best.
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