My first try at UV

[Nisei]

So I finally tried a couple of UV shots. No idea if they turned out well though because I didn't know what to expect
Camera: Sony A7 full spectrum
Lens: Ina 35mm f/3.5 (looks exactly the same as the Optomax 35mm f/3.5)
Filters: ZWB2 + TSN575

 

 

[colinbm]

Fabulous Nisei, I like the bokeh too.

 

[Nisei]

Thanks Colin
I find the bokeh to be quite busy though.
I was shooting at f/5.6 and still needed 1/40th and 1/60th of a second while in bright sunlight.
 

[Andrea B.]

They look good to me!

 

And you have found a 35/3.5 that I've not yet heard of. 

Woops! See below. We have had a photo of this lens in the past. 

 

f/5.6, 1/40-1/60" at what ISO?

[Andy Perrin]

For those settings, my cameras would have needed ISO1600-3200 or so.

[photoni]

3 hours ago, Andrea B. said:

 

And you have found a 35/3.5 that I've not yet heard of. 

 

 

just today I was re-reading this

 

8 hours ago, Nisei said:

Filters: ZWB2 + TSN575

 

it is a good economic compromise

I dream of an S8612

 

beautiful contrasted and saturated images !!!

[JCDowdy]

4 hours ago, Andrea B. said:

And you have found a 35/3.5 that I've not yet heard of. 

Yeah you have, Alex H showed "Ina" in his 35/3.5 group some years ago.

[Andrea B.]

oh la!

I do remember Alex showed a bunch of 35/3.5s. But I didn't remember them specifically. 

If you did, then I am wowed by your memory!! 

 

We need the link. I'll go look and put it here:   LINK

 

[JCDowdy]

I remembered it from back in The Clone War's days. You even split off a different thread.

Sometimes to much memory is a curse.

[Nisei]

On 8/5/2022 at 7:11 PM, Andrea B. said:

f/5.6, 1/40-1/60" at what ISO?

I just checked and it's 12800

I overlooked something: I use a Kase MCUV clip-in filter to protect my sensor which probably blocks UV although I'm not sure to what extent.

http://en.kasecn.com/product/Kase-Clip-in-Filter-for-Sony-304.html

It's no problem for infrared pictures though as I haven't seen any difference.

 

[colinbm]

Nisei, you can be sure it is not blocking much UV, like too many so called UV / Protection filters it is lacking in blocking UV.
But you should test the results without this filter to see if you get any improvements.

This is a graph I found on Kase's Aliexpress page, It probably goes out to at least 350nm ?