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I remember writing a TI 99/4 program that calculated resistor values upon entering their colors and it also worked in reverse. Even...

It’s not a prime lens of course. I don’t anticipate focusing on the moon would be a problem but extended to 500mm the focusing becomes...

In my senior year (1985) I could request a pass from one of my math teachers each day to use an Apple IIe in the library's computer lab...

Memories - I remember the unit coming out well, wish I would have bought some stock I remember the Radio Shack personal computer well...

For one thing, on a zoom lens infinity focus may change as the focal length changes. On primes it's probably a cost thing, as each lens...

Just a few night shots after a night camera walk last year when I just bought the new Nikon Z5ii. All of these shots were taken with a...

No, the title doesn’t refer to Buzz Lightyear. 🤣 The focusing ring on the 200-500 has a marker for infinity. But frustratingly, it...

Just a few night shots after a night camera walk last year when I just bought the new Nikon Z5ii. All of these shots were taken with a...

This Osprey might have invaded someone's koi pond. I've seen koi in wild waterways too, though. People who get tired of them will...

A Great Blue Heron caught two fish in one strike, but one managed to get away. A Great Blue Heron caught two fish in one strike, but...

Just a few night shots after a night camera walk last year when I just bought the new Nikon Z5ii. All of these shots were taken with a...

In my senior year (1985) I could request a pass from one of my math teachers each day to use an Apple IIe in the library's computer lab...

Hi Leon, how did the partial eclipse go?

This Osprey might have invaded someone's koi pond. I've seen koi in wild waterways too, though. People who get tired of them will...

A Great Blue Heron caught two fish in one strike, but one managed to get away. A Great Blue Heron caught two fish in one strike, but...