One issue not addressed is that the Advanced Exposure film used would be a different film with a different density of black than the user would use. I use the Stouffer scale but it has a similar issue. Best to create your own gradient tests in Photoshop using your own printer and film to arrive at the Base Exposure time. Redo if you change film or printer or emulsion. (As it happens, the next video cued up in TH-cam is "how to make your own step wedge for digital negatives" by Scott Barnes!)
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extremely helpful. I'll just be trying this with the speedball emulsion kit since I'm using a black light u.v light which is stronger than their tutorial.
@@Ryonet hopefully it will. Catspit productions also tested yellow over black film and it worked , so that will be part of my test as well. I have both yellow and black on the same film.
CCI WBP Hybrid Emulsion www.screenprinting.com/screen-printing-supplies/emulsion-screen-printing/ryonet-wbp-hybrid-emulsion-for-water-based-and-plastisol-gallon.html#.Uvkkg6WuJGg
very helpfull thanks ryonet, may i ask you some questions? 1. i seen white rope on the glass, what is the function for? 2. what about the lightning spec, such as how many lamp (lumen / watt)? 3. what about the distance beetween the glass to lamp cap? 4. what about surface area of the glass (wide x long)? i hope you would love to answer all of my questions best regard....
An perfectly exposed screen is good substrate-to-substrate across the board. So in short no it's not different. What this test ensures is that you have the right settings to get the most detail out of your screen and initially have a crisper final product.
One issue not addressed is that the Advanced Exposure film used would be a different film with a different density of black than the user would use. I use the Stouffer scale but it has a similar issue. Best to create your own gradient tests in Photoshop using your own printer and film to arrive at the Base Exposure time. Redo if you change film or printer or emulsion. (As it happens, the next video cued up in TH-cam is "how to make your own step wedge for digital negatives" by Scott Barnes!)
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There are links in the description if you want to see them on our site. ;) See what I did there?
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Would have been nice to see the exposure strips us close when you were talking about them, other than that good info.
using the exposure unit do you still need to post Harden the emulsion as you need to do using a halogen light?
Thanks, this was another good informative video.
That's right!
extremely helpful. I'll just be trying this with the speedball emulsion kit since I'm using a black light u.v light which is stronger than their tutorial.
Glad it helped!
@@Ryonet hopefully it will. Catspit productions also tested yellow over black film and it worked , so that will be part of my test as well. I have both yellow and black on the same film.
Hey!
What type of emulsion were you using?
Thanks!
Justin
CCI WBP Hybrid Emulsion www.screenprinting.com/screen-printing-supplies/emulsion-screen-printing/ryonet-wbp-hybrid-emulsion-for-water-based-and-plastisol-gallon.html#.Uvkkg6WuJGg
Thank you boss. very helpful.. will try this later. =)
Wouldn't the middle section be exposed for 4 minutes instead of 3 minutes? (8:18)
Lol....Yes, You get bonus points for paying attention!! ; )
What about using aluminum foil to block out the light??
Can I use any degreaser to clean screen (Walmart)?
We recommend to use an industry specific degreaser, like our Sgreen Degreaser.
very informative , thank you
+JUNK PHOTO and thank you for watching! Have an awesome day!
very helpfull thanks ryonet, may i ask you some questions?
1. i seen white rope on the glass, what is the function for?
2. what about the lightning spec, such as how many lamp (lumen / watt)?
3. what about the distance beetween the glass to lamp cap?
4. what about surface area of the glass (wide x long)?
i hope you would love to answer all of my questions
best regard....
An perfectly exposed screen is good substrate-to-substrate across the board. So in short no it's not different. What this test ensures is that you have the right settings to get the most detail out of your screen and initially have a crisper final product.
So much detail, it's confusing.
Just focus for time, and do wash test for each time of explosure. Which one the best time explosure and wash