Recent content by jonathanchli

Received Velvia 50, 120 film, 5 pack, from Roberts Camera; Expiration date is July-2027. Apparently, the film is still in stock, the price is comparable to Kodak E100 if you can find it available...

Interesting results... Do you expect the overall Wood Effect is more prominent in EI50 (less light exposure) than E12 (more light exposure), across 3 sets of test photos? Will the high altitude of Colorado attenuate less infrared radiation so that you can use less filter factor than HOYA...

It is interesting that Adoflo uses CAS #68412-54-4 (IGEPAL CO630 or IGEPAL CO520) as a surfactant. Is it due to the ban/use of Triton X-100 by ECHA in 2021...?

You can get a preview of IR-Trichrome effect from these videos on YouTube Reto-Aerochrome Making Color Infrared Photos with B&W Film - Infrared Trichrome Photography

Adorama delivered several boxes of Provia 100F 4x5 to me, the film has an expiration date of Apr-2026. My order of Provia 100F 120 remains on backorder.

Perhaps you may find this video useful

Just curious, are you sure your Graflex Optar 135/4.7 lens can completely cover 6x16 or 6x17 and do not vignette? The Optar lens just covers 4x5 with limited or no movements

Per the following writeup, you need to wrap the film transport roller with a type of silicone tape https://emulsive.org/featured/how-to-make-a-texpan-shoot-wide-format-35mm-film-in-the-fuji-gw690-rangefinder

When working with Blue- or Green-sensitive X-ray films (Agfa, Carestream, Fuji or unkonwn house brands) in the laboratory, we use Kodak GBX-2 safelight filter in front of a Kodak bullet lamp fitted with a low wattage incandescent bulb (pointing away from the film). At home, I substitute the low...

I do not understand why the manufacturer chose to use such a shiny finish for the star wheel, and all the gizmos in front of the lens. If you are tired of constant re-painting, you can use Birchwood Casey products to chemically blacken brass, aluminum or steel. Better yet, contact the...

Googled 饱满制片 and found a film loading video... https://www.bilibili.com/video/BV1Y94y147aV/?spm_id_from=333.337.search-card.all.click

Saw it on Facebook marketplace. Seller said his Aerocolor 8x10 films were from a group order in October https://www.facebook.com/marketplace/item/642247124761617/?mibextid=dXMIcH

If I am not mistaken, Diethanolamine and Sulphur dioxide are found in the original, viscous version of Kodak HC-110 https://web.faa.illinois.edu/app/uploads/sites/6/2021/05/KODAK-%E2%80%93-HC110-Developer.pdf

You definitely need to increase exposure with the red filter on. Rollei Ortho 25 with red filter -

I am surprised nobody mentions here - Fomapan 400 8x10 sheet film is on sale at bhphotovideo for $199.99. Expiration date on my 2 boxes is Sept-2024. https://www.bhphotovideo.com/c/product/792415-REG/Foma_42048150_Fomapan_400_Action_B_W.html