150mm "Super Telephoto"... What?

ic-racer · Mar 6, 2024

Yea baby! On 8mm format this is 12X magnification!

Macro-Yvar 150mm f3.3. Focus down to 6 feet.

35mm film equivalent is about 1000mm!

Realize the diagonal of regular 8mm film format is about HALF that of Minox! So, imagine a lens twice this size on a Minox!

eli griggs · Mar 6, 2024

A Very Nice camera.

ic-racer · Mar 7, 2024

I got this specifically for the eclipse. I’ll use it for other things too.

grain elevator · Mar 7, 2024

ic-racer said:
I got this specifically for the eclipse. I’ll use it for other things too.

Oh that'll be neat, do you have means to digitise the footage and share it here when the time comes?

ic-racer · Mar 7, 2024

I have been looking at the Kodak Reels digitizer.

ic-racer · Apr 9, 2024

Morning of the eclipse; getting everytihng ready.

The Rolleflex was nice because of the waist-level finder and 33ft shutter release cable.

ic-racer · Apr 9, 2024

One camera had the 150mm lens and the other used a 5.5mm wide angle lens and was hooked to an intervalometer. Exposing one frame every ten seconds.

The image with the 150mm lens was so dim, I needed to make a spotting scope with the zoom viewfinder.

ic-racer · Jun 10, 2024

I got my film from the eclipse back today. This is a photo of the projection screen.
Again this is 8mm with a 150mm lens.

I'll try to post some movie too.

ic-racer · Jun 10, 2024

Don_ih · Jun 11, 2024

Cool movie!

warden · Jun 11, 2024

Fantastic work!

RezaLoghme · Jun 11, 2024

nice tripods, nice everything!

ic-racer · Jun 11, 2024

Pretty amazing how the sun first becomes totally black (with the filter in place), but it is still too bright, even for f22 with the filter off.
What happens in the move is that when the sliver of sun disappeared, I took the filter off, but it was still too bright. So I quickly put the filter back in place, stopped down to f22 and took the filter off again. That gave me the brief Baily's beads sequence. After that I opened back up to f4 for the total.

All the exposures were based on charts and tables. No metering.

BAC1967 · Jun 11, 2024

Nice job! Isn’t that lens meant for an H16? I assume it focuses past infinity on on H8, is that correct? I have an H8 and H8 Rex 4, great cameras.

mshchem · Jun 11, 2024

Fantastic! Awesome, absolutely beautiful. Great work. It's crazy amazing!!!

ic-racer · Jun 12, 2024

BAC1967 said:
Nice job! Isn’t that lens meant for an H16? I assume it focuses past infinity on on H8, is that correct? I have an H8 and H8 Rex 4, great cameras.

You know your lenses. Yes it is essentially an H16 lens, but they made some of them with an extended 2.2mm longer mount for the H8 RX as you can see in the picture. Otherwise it is identical to the H16 lens. There is also a Yvar 100mm and 75mm with the H8 RX mount too, but like this 150mm, they are extremely rare. If you ever see one; buy it!

ic-racer · Jun 12, 2024

In terms of the D-mount cameras, there is a larger difference in the flange-focal distance, so screw-on adapters are available.

Here I have an H16 Yvar 75mm with a C-to-D adapter that brings the infinity to the correct location for the H8 non-rex.

BAC1967 · Jun 12, 2024

ic-racer said:
You know your lenses. Yes it is essentially an H16 lens, but they made some of them with an extended 2.2mm longer mount for the H8 RX as you can see in the picture. Otherwise it is identical to the H16 lens. There is also a Yvar 100mm and 75mm with the H8 RX mount too, but like this 150mm, they are extremely rare. If you ever see one; buy it!

View attachment 372091 View attachment 372092 View attachment 372087

Interesting, I didn’t realize they made them for the H8 Rex, thanks for that information.

150mm "Super Telephoto"... What?

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