Hoya Pro1 Digital Filter (without "UV") preliminary test

Booted Cat · Dec 5, 2018

Received it today. There were some dust on it out of the box, as noted by some other customers. Blowed the dust away with a blower. Also blowed the camera lens.

The first photo is without the filter, the other four with. The fourth one with the filter on (the fifth photo of all) seems to be the best, even better focused than the one without the filter. So it all depends on if the Auto Mode auto-focuses well.

The shooting condition is challenging. Behind the laptop screen is the darkness of night. About 3/4 of each photo is dark, so you can see high ISOs and slow shutter speeds set by the Auto Mode.

Pay attention to both the balloon icon and the texture of the rubber LG Gram screen bezel to compare the photos for sharpness.

Without any filter.

With Hoya Clear Filter.

With Hoya Clear Filter (seems to be the best result with the filter).

E_Davies · Dec 6, 2018

Looks fine.

Leave it on, forget about it and go shooting

jshen808 · Dec 6, 2018

..Looks good to me!

..now the front element is protected, much better when going out shooting..

..thanks for sharing,

..Cheers..

Booted Cat · Dec 7, 2018

5 photos with the filter on and 5 without were taken, and the sharpest with the filter on and without are picked out and shown below.

It seems the sharpest with the filter on has even more details (see the rubber screen bezel) than the sharpest without the filter, probably due to a lucky, better autofocus done by the Auto Mode.

The shot without the filter is darker, probably because the camera's position and orientation changed after the filter was removed.

Best from 5 shots with the filter on.

Best from 5 shots without the filter.

jshen808 · Dec 7, 2018

Booted Cat said:
5 photos with the filter on and 5 without were taken, and the sharpest with the filter on and without are picked out and shown below.

It seems the sharpest with the filter on has even more details (see the rubber screen bezel) than the sharpest without the filter, probably due to a lucky, better autofocus done by the Auto Mode.

The shot without the filter is darker, probably because the camera's position and orientation changed after the filter was removed.

Best from 5 shots with the filter on.

Best from 5 shots without the filter.

..Great testings!

..with the large front element of the P1000, it's better to keep the lens filter "on" for protection..

..and the Hoya Pro 1 (without UV) looks to be a winner.. :-D

..happy shooting, and thanks for sharing!

..Cheers..

Booted Cat · Dec 8, 2018

jshen808 said:
Booted Cat said:

5 photos with the filter on and 5 without were taken, and the sharpest with the filter on and without are picked out and shown below.

It seems the sharpest with the filter on has even more details (see the rubber screen bezel) than the sharpest without the filter, probably due to a lucky, better autofocus done by the Auto Mode.

The shot without the filter is darker, probably because the camera's position and orientation changed after the filter was removed.

Best from 5 shots with the filter on.

Best from 5 shots without the filter.

Click to expand...

..Great testings!

..with the large front element of the P1000, it's better to keep the lens filter "on" for protection..

Right. Will do.

jshen808 said:
..and the Hoya Pro 1 (without UV) looks to be a winner.. :-D

..happy shooting, and thanks for sharing!

..Cheers..

Booted Cat · Dec 10, 2018

While Hoya may be able to manufacture high-quality clear/UV filters, storage conditions of these filters are just so-so. After unboxing you have to blow away some dust on the filter with a blower. Under closer inspection with a flashlight, you may see small clusters of dirty stuff that stick to the filter which may be a mix of moisture and dust, which can't be cleaned with just a blower or brush. So I thoroughly cleaned the filter first with lens cleaner and then with distilled water (both with medical cotton balls), and then did a third and probably final test.

Light-emitting object test

Shooting an LED screen at 3000mm. Focus is at the center of the image. The criterion for sharpness is the visibility of the pixel grid lines. Sharpness of the two images below is comparable, with one image having sharper pixel grid lines in some portions and the other image in other portions. Camera position and orientation (and therefore the view) changed slightly as the filter had to be added/removed.

Best from 5 shots without the Hoya Clear Filter.

Best from 5 shots with the Hoya Clear Filter.

Texture test

Shooting the top side of my LG Gram 15 2018 laptop at 3000mm. Focus is at the center of the image. The criterion for sharpness is the number of texture details. Sharpness of the two images below is comparable, with one image having more texture details in some portions and the other image in other portions. Camera position and orientation (and therefore the view) changed slightly as the filter had to be added/removed.

Best from 5 shots without the Hoya Clear Filter.

Best from 5 shots with the Hoya Clear Filter.

jshen808 · Dec 10, 2018

Booted Cat said:
While Hoya may be able to manufacture high-quality clear/UV filters, storage conditions of these filters are just so-so. After unboxing you have to blow away some dust on the filter with a blower. Under closer inspection with a flashlight, you may see small clusters of dirty stuff that stick to the filter which may be a mix of moisture and dust, which can't be cleaned with just a blower or brush. So I thoroughly cleaned the filter first with lens cleaner and then with distilled water (both with medical cotton balls), and then did a third and probably final test.

Light-emitting object test

Shooting an LED screen at 3000mm. Focus is at the center of the image. The criterion for sharpness is the visibility of the pixel grid lines. Sharpness of the two images below is comparable, with one image having sharper pixel grid lines in some portions and the other image in other portions. Camera position and orientation (and therefore the view) changed slightly as the filter had to be added/removed.

Best from 5 shots without the Hoya Clear Filter.

Best from 5 shots with the Hoya Clear Filter.

Texture test

Shooting the top side of my LG Gram 15 2018 laptop at 3000mm. Focus is at the center of the image. The criterion for sharpness is the number of texture details. Sharpness of the two images below is comparable, with one image having more texture details in some portions and the other image in other portions. Camera position and orientation (and therefore the view) changed slightly as the filter had to be added/removed.

Best from 5 shots without the Hoya Clear Filter.

Best from 5 shots with the Hoya Clear Filter.

..Great testings, and super beautiful landscape pictures!

..yes, I've noticed the same thing about the Hoya filters I had purchased, they all required cleanings out of the packages before placing them on the cameras.. ;-)

..from your pictures, the one's with the Hoya Pro1 looks great..

..below are screen captures to compare.. (just to let you know, that the test pictures I posted "third times the charm", I have the Hoya HD3 UV lens filter on the camera)..

..the Hoya Pro1 (without UV) lens filter works great, just leave it on the camera.. :-D

1. Without lens filter (close-up)..

..without lens filter (close-up)..

2. With lens filter (close-up)..

..with lens filter (close-up)..

3. Without lens filter (extreme close-up)..

..without lens filter (extreme close-up)..

4. With lens filter (extreme close-up)..

..with lens filter (extreme close-up)..

*************

..Cheers..

Booted Cat · Dec 11, 2018

jshen808 said:
..below are screen captures to compare.. (just to let you know, that the test pictures I posted "third times the charm", I have the Hoya HD3 UV lens filter on the camera)..

Wow! Just learned that Hoya HD3 has a 99.7% light transmission rate and is expensive (US$139.9 on Amazon). You're indeed a rich boy! :-D

"HD3 Filters. These are the hardest antireflective coatings on the planet. HD3 filters have a total of 32 layers, 16 on each side making them 800% harder than normal optical coating. HD3 filters also have the best scratch and stain resistance on the planet and yield a light transmission rate of 99.7%." -- https://hoyafilterusa.com/filter-technology/

jshen808 · Dec 11, 2018

Booted Cat said:
Booted Cat said:

..below are screen captures to compare.. (just to let you know, that the test pictures I posted "third times the charm", I have the Hoya HD3 UV lens filter on the camera)..

Click to expand...

Wow! Just learned that Hoya HD3 has a 99.7% light transmission rate and is expensive (US$139.9 on Amazon). You're indeed a rich boy! :-D

"HD3 Filters. These are the hardest antireflective coatings on the planet. HD3 filters have a total of 32 layers, 16 on each side making them 800% harder than normal optical coating. HD3 filters also have the best scratch and stain resistance on the planet and yield a light transmission rate of 99.7%." -- https://hoyafilterusa.com/filter-technology/

..Lol's, Booted Cat! :-D

..yes the Hoya HD3 lens filters are expensive, but I would be happy with the Hoya Pro1 lens filters also..

..to my thinking, if I'm going to place something in front of a lens, mind as well make it worthwhile..

..and image quality is important to me, so I seek out the best.. ;-)

..Cheers..

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Hoya Pro1 Digital Filter (without "UV") preliminary test

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