Your eyesight goes bad. Your doctor says time for a choice.

[StoneNYC]

Drew, a laser pointer helps by providing a bright dot on a near-field scene that is easy to see on ground glass even at f45. I have a really bright green one that works well.

A Maxwell screen really helped me. I still use a tilting loupe for critical focus, and a really good Blackjacket hood.

Progressives made me sick, and I wear regular trifocals in daily life, bifocals (medium and close) for desk work, and single-focus (at music-stand distance) for playing music. And I cuss at glasses routinely. But what are you gonna do?

Rick "whose astigmatism defeats contacts" Denney

Umm... Can't lazer pointer light make you blind?...

[Jac@stafford.net]

Drew, a laser pointer helps by providing a bright dot on a near-field scene that is easy to see on ground glass even at f45.

Does the fact that laser light is within the deep red spectrum throw off focus accuracy?
.

[Drew Bedo]

Well, I think rdenny is using a green laser and shining it on something in the composition from his place behind the camera.

People have modified the rangefinder on late model speed graphics to throw laser light onto the subject through the RF windows. When the spots coincide, the image is in focus.

Do I have that right?

[StoneNYC]

Well, I think rdenny is using a green laser and shining it on something in the composition from his place behind the camera.

People have modified the rangefinder on late model speed graphics to throw laser light onto the subject through the RF windows. When the spots coincide, the image is in focus.

Do I have that right?

OH! Yes I see what you mean now, my misunderstanding. Thanks!

[rdenney]

Umm... Can't lazer pointer light make you blind?...

It's not pointed at your eye. It's pointed at the scene. You focus on the bright dot it creates.

Rick "who uses them in Kalarts, too" Denney

[rdenney]

Well, I think rdenny is using a green laser and shining it on something in the composition from his place behind the camera.

People have modified the rangefinder on late model speed graphics to throw laser light onto the subject through the RF windows. When the spots coincide, the image is in focus.

Do I have that right?

Check.

Rick "who doubts red would create a focus shift of any importance" Denney

[Jim C.]

Just out of curiosity has anyone encountered hi index eyeglass lenses that doesn't exhibit distortion at the edges ?

[Tin Can]

Just out of curiosity has anyone encountered hi index eyeglass lenses that doesn't exhibit distortion at the edges ?

No, but I can't see out the edges anyway.

Actually we use a tiny area of the whole lens. The rest is eye shield for me. I turn my head to see.