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91613

Nikon 'S' L-Ke nosepiece mystery!

Can anyone shed light on this mystery nosepiece? The righthand image is from my Nikon L-Ke, The left hand one is a mystery?
multiphot@idnet.com
10:16 AM
#91613
 
91612

Hamamatsu E2924 tube

I removed this from a working Zeiss PMT housing ( I just wanted the outer housing for a lamp conversion) Would it be of interest to anyone? Not sure what it's
multiphot@idnet.com
10:16 AM
#91612
 
91611

Re: DSLR - Wireless Remote Control

A fractionally silvered (fixed) mirrorcould also do the job. Some sensors are able to operate in a coarse mode with negligable degradation of the sensor
Alysson deMerel
10:15 AM
#91611
 
91610

Re: DSLR - Wireless Remote Control

Hi Chris My experiences of a mirrorlesss camera without EFCS are the same as Dirk's. I found them worse for vibration than a Nikon DSLR when hard coupled to my
triops56
3:04 AM
#91610
 
91609

Re: DSLR - Wireless Remote Control

I am very surprised to hear this about a mirrorless camera. DOn't this have a live view on the rear LCD. There can't be a mechanical sutter if there is a
Chris Albertson
7:42 PM
#91609
 
91608

Re: Automatic Focus Scanning

I have built a few stepper drivers using transistors and Arduino then I found there is an entire ecosystem of these IC drivers that are 10x better than
Chris Albertson
7:38 PM
#91608
 
91607

Re: Automatic Focus Scanning

Hi Chris, Thanks. I'm going to pick up some of those little controllers too! To your point about driving the coils properly I see it takes care of the current
cd_micro
4:42 PM
#91607
 
91606

Re: DSLR - Wireless Remote Control

I've noticed that the use of a mirrorless camera doesn't eliminate shutter shake even when using an adapter with a rubber damper like the leitz kavar. I bought
Dirk Teunis
4:41 PM
#91606
 
91605

Re: DSLR - Wireless Remote Control

The original remote release was a mechanical cable - and removed camera shake from the process of maniupulating a rather stiff mechanical release. Some of us
Alysson deMerel
4:38 PM
#91605
 
91604

Re: Automatic Focus Scanning

It's common practice now to use a drive capable of sinusoidal current and 1/8 or even 1/16th step. This use to be really hard to do. The newer controller
Chris Albertson
Jan 20
#91604
 
91603

Re: DSLR - Wireless Remote Control

The best way to avoid this with a modern camera is what they call "live view". This mode flips the mirror up and opens the mechanical shutter so that you can
Chris Albertson
Jan 20
#91603
 
91602

Re: DSLR - Wireless Remote Control

Hi Rich, Certainly the remote shutter avoids shake from pressing the shutter on the camera. Problem then is with DSLRs they move a mirror then fire the shutter
cd_micro
Jan 19
#91602
 
91601

Re: DSLR - Wireless Remote Control

Rich, A camera vibrates from the shutter motion itself, regardless how the shutter is triggered (mechanically, electronically, remotely or not) To avoid this,
murkyd
Jan 19
#91601
 
91600

Re: Automatic Focus Scanning

Hi Chris, Don't worry about me blowing things up, I am an electrical engineer, so I am taking a methodical approach. The motor is rated for 5V operation
cd_micro
Jan 19
#91600
 
91599

DSLR - Wireless Remote Control

FWIW: My understanding is that one of the reasons why a remote and wireless shutter release was invented was to stop the blur in the image produced by the
rich_guy_looker
Jan 19
#91599
 
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