HELP! How tall is a 3.5mm Delos

[PeterHA (Peter)]

Hi,
I have a space issue and have trouble to find out how tall a 3.5mm Delos EP is if:

a) the rubber eyecub is folded down and the adjustable barrel is all the way down

b) the rubber eyecub is folded down and the adjustable barrel is all the way up

Can anyone please let me know the height from top to bottom in mm, thanks.

[Stardrifter_WA]

Originally Posted by PeterHA

Hi,
I have a space issue and have trouble to find out how tall a 3.5mm Delos EP is if:

a) the rubber eyecub is folded down and the adjustable barrel is all the way down

b) the rubber eyecub is folded down and the adjustable barrel is all the way up

Can anyone please let me know the height from top to bottom in mm, thanks.

The measurements are, as measured with a vernier caliper:

a) 136.26 mm in the fully down position with eye-cup turned down (with the rubber eye-cup turned up it is 140.85mm)

b) 148.7 mm in the fully up position with eye-cup turned down (with the rubber eye-cup turned up it is 154.85)

The diameter is, at its widest part, 57.58mm .

Also note that each Delos eyepieces have different measurements with the 4.5 being shorter and the 6 being longer etc. See pics on IIS Eyepiece page under "Your eyepiece family', at the top of the page. I posted them a couple of days ago.

If you need any other measurements, just let me know.

Cheers Pete

b)

[Allan]

Peter, can you measure it a little more precisely, maybe to 4 decimal places?

[Kunama]

Originally Posted by Allan

Peter, can you measure it a little more precisely, maybe to 4 decimal places?

I wonder if his vernier has been properly collimated?

PeterHA, you must be impressed with the detailed answers you have been given to your questions

[Stardrifter_WA]

Originally Posted by Kunama

I wonder if his vernier has been properly collimated?

Actually Matt, this is the very first thing I do when using digital measuring tools, check the zero point.

[brian nordstrom (As avatar)]

As us engineers do , check , check and check again .
Peter the 3.5mm Delos is a tall eyepiece for sure .
Brian .

Originally Posted by Stardrifter_WA

Actually Matt, this is the very first thing I do when using digital measuring tools, check the zero point.

[PeterHA (Peter)]

Well, it fits in the EP box and that is what counts.

[brian nordstrom (As avatar)]

only just ?
Brian.

Originally Posted by PeterHA

Well, it fits in the EP box and that is what counts.

[Stardrifter_WA]

Originally Posted by brian nordstrom

only just ?
Brian.

I know it fits nicely in my case

[bytor666]

How long is the 10mm Delos for the measurements above?