makofoto

When are they going to get it! We don't want video conferencing!

Must be reversed! Very well done

I just want to know how much leg room I have!

Yawn ...

Unfortunately that Sigma is not great at IR. Hmmm ... but the older model might be interesting. https://www.flickr.com/photos/8370520@N04/29193028581/

They are getting buried by the Nikon P900 in Birding photography. I have one but am also waiting for the mk4

That's what ND filters are for. No way to have a native 10 iso. Note that professional digital movie cameras have a native ISO of around 800 iso! That is where we have the greatest dynamic range....

Ah ... OK, it has an IR Blocking filter that needs to be removed. One CAN use IR filters but the long exposure times don't work for photographing action and can screw with landscapes by blurring ...

Instead of the usual having to send one's digital camera in to be modified for IR use, could one just use IR filters in front of the Monochrome? One can of course do this with any camera but ...

Wow!!!

Ordered mine. I use to make my own. Drill a hole in a body cap, glue hammered brass foil over it ... it's important that the edge of the hole be super thin ... paint black and drill a tiny hole. I...

But long lenses don't need curved sensors

Hahaha :-)

Most lenses are not sharp at the edge of their circle of coverage. If it's vignetting you are seeing that drop off

Yes! ... nice. May I ask which F/stop ... ie. not wide open right? I tried out three 11/16's ... thank you B&H ... before finding one that was evenly unsharp around the edges at 2.8. The first two ...

Good Stuff Caterpillar! And I DO appreciate everyone's warnings! I want to finally get a Full Frame camera ... and am weighing my options, including a mirrorless like the Sony's. I've borrowed an ...

Great ... that is specifically the lens I wanted to try out ... and again, I WANT to work with the vignetting. Thanks txsizzler!

Here is a comparison, using LR ... to convert Color to B&W, using the Saturation slider vs B&W conversion and using the various color channels to fine tune for separation. You can especially see ...

I'm ALL About experimenting

Are you using Photoshop? A lot more control if you use the B&W option. There you have all of the color sliders so you can control the B&W look much better. As if you were using the various color ...