realVivek wrote:
These are very rare filters! Could you post a picture of the filters? TIA!
Here you go Vivek. The 94A had a note with explanation included which I posted on the Ultraviolet photography site. It is essentially a 94. A little windy today and the marks on the filter is just a reflection I have the sun in behind only way I could think of to show the color the filters. The images on the previous page was SOC with the 94A was a little to purplish for my liking so I adjust the hue slightly to make it more blue and less purple. Beyond that no other adjustment other than levels was made with the 94A. The 94 which I also have and tested is almost the same as the 94A, the 94A results in slightly darker sky.
The Sculpterra winery in Paso Robles, CA has some very interesting sculptures by various American artists in their garden. I thought they looked particularly striking captured in infrared.
5Ds Full Spectrum Zeiss 50 ZF-IR with Tiffen 47 + B+W 489
Sometimes mis-steps can give interesting results. I didn't reset the white balance for this filter combination and shot it with the white balance for Kolari Visions Blue+IR filter. I did darken the blue of the sky for post but I liked how the trees in the distance and the green grass around the building went bright yellow. Normally the filter combination the trees, grass and field would all be yellow.
And now for something a little bit different: IR at night!
Both photos above were taken using a Hoya R72 filter on my DIY-modified, full-spectrum Samsung NX500. The photo below, however, was accidentally taken without any filter, so is full-spectrum:
8x20 second focus stack with Kolari's IR-Chrome filter in candlelight. Full-spectrum Pentax K-1 MKII. Live subject.
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IR-Chrome turns ugly brown water into beautiful glacial stream.
Worst part of IR-Chrome is that there are two spectrums (VIS, IR) in one image. Trying to find a lens which does not fail is the worst part of the equation. Most good VIS-spectrum lenses do not draw both spectrums perfectly on top of each other and zooming in reveals all kinds of artifacts and aberrations. I have only two lenses which are somewhat acceptable - Zeiss 50MP and Samyang 35/1.4.
Nice images with the Kolari IR-Chrome! I like the water too.
I have been shooting with a Green Hoya X1 filter to limit the wavelengths of light, and I get better results with the DP1m lens. Less aberration and generally sharper all around.
Hmh, I meant previously that VIS spectrum is focused differently than IR-spectrum. Sorry about the previous notes about IR-Chrome. Zeiss 28/2 Distagon is perfect example of that. I get increasing ghosting of subject detail the further away the subject is from the image center.
Zeiss 28/2 Distagon is perfect example of that. I get increasing ghosting of subject detail the further away the subject is from the image center.