[Aim for beautiful printing! ] The difference between rough and blurred print data
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PHOTOPRI(フォトプリ)
プロ品質の写真プリントサービス
「PHOTOPRI(フォトプリ)」は、写真展クオリティのプリントを提供する専門店です。一枚一枚の色を丁寧に調整し、30種類以上の用紙から最適なものを提案。あなたの作品が持つ魅力を最大限に引き出すお手伝いをします。大切な作品を、最高の形で残しませんか?
My name is Matsumura , and I am the representative of PHOTOPRI , a large-format printing service with exhibition-quality printing.
I also work as a professional photographer!
This time, we'll introduce some tips for finishing your printed materials neatly and on time!
Ordering prints of photos and illustrations
"The result was blurry 😭"
"I set the resolution to the recommended 350ppi, but it's still blurry..."
It said they would contact me if there were any problems with the data 😭
PHOTOPRI, why...
In rare cases, this happens...
This may help you avoid problems if you understand the difference between image roughness and blur, which are the criteria for judgment!
The difference between image raggedness and blurriness
Data with low resolution (large dots) is considered to be rough data.
Let's start by using images to explain the difference between roughness and blurriness!
This photo is somehow hazy
When you zoom in on the area framed in blue, what difference does it make when the image is rough or blurry?
Something rough

The dots (squares) that make up the image look jagged.
This is a fairly rough image, with large, jagged dots per mm.
If the dots exceed 1 mm , we will consider the image to be rough and contact you to confirm before printing.
The delivery date may be delayed as we need to confirm with the customer whether there are any problems with the original as is or whether it needs to be resubmitted.
Blurred

It's blurry and not very detailed, but unlike the previous image, the dots are not very visible.
This is a blurred state.
The image is formed by tiny dots.
PHOTOPRI will determine that these images have had their roughness corrected by enhancing the details, or that blur has been deliberately used, and will proceed with printing .
Can you somehow understand the difference?
summary
Going back to the question I asked at the beginning, "Why is PHOTOPRI doing this...?" , if you zoom in on the image and it appears jerky, PHOTOPRI will contact you to confirm.
The guideline is whether the dots are larger than 1mm or not .
Please understand that even if the dots are blurry , we will not contact you unless they are larger than 1mm!
Test print
PHOTOPRI , a large-format printing service with exhibition-quality printing, can handle prints up to B0 Nobi size, and my professional staff, including myself, use expert color matching to create beautiful, high-resolution photos, illustrations, and posters.
If you are worried about the image being blurry or grainy, we also offer trial prints , so please check the quality first!
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PHOTOPRI(フォトプリ)
プロ品質の写真プリントサービス
「PHOTOPRI(フォトプリ)」は、写真展クオリティのプリントを提供する専門店です。一枚一枚の色を丁寧に調整し、30種類以上の用紙から最適なものを提案。あなたの作品が持つ魅力を最大限に引き出すお手伝いをします。大切な作品を、最高の形で残しませんか?