Questions tagged “infinity focus”

Ask the Unique Photo creator community — gear, technique, post-processing and more.

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answers

492

Why do some C-mount lenses only focus close-up and not reach infinity on my adapter?

lens-adapters c-mount manual-focus infinity-focus cs-mount

Austin West

1y ago

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answers

251

What’s the difference between working distance, minimum focus distance, and infinity focus on a machine-vision lens?

lenses machine-vision optics focus-distance infinity-focus

Aravind D. Chakravarti

2y ago

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204

Why do astrophotographers use wide apertures if depth of field gets shallower?

depth-of-field aperture astrophotography focus infinity-focus

Photography Stack Exchange contributor

3y ago

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answers

330

How can I correct the infinity focus mark on a TTArtisan 25mm f/2 for Fujifilm X-mount?

fujifilm-x ttartisan manual-focus infinity-focus lens-repair

Photography Stack Exchange contributor

4y ago

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255

Can any lenses be adapted to Nikon F with infinity focus using only a simple adapter?

lens-adapters dslr nikon-f infinity-focus medium-format

Photography Stack Exchange contributor

6y ago

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242

Why doesn’t the focal point being at the sensor collapse the whole image to one point?

optics infinity-focus nodal-point principal-plane focal-length

Photography Stack Exchange contributor

6y ago

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227

Can I mount a large-format or medium-format lens on a Nikon PB-4 bellows and still focus to infinity?

large-format tilt-shift lens-adapters bellows infinity-focus

Photography Stack Exchange contributor

6y ago

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214

Why don’t infinity-correcting lens adapters use a flat glass window instead of an optical element?

flange-distance lens-adapters dslr optics infinity-focus

Photography Stack Exchange contributor

6y ago

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178

Should you use a lens wide open for distant subjects focused at infinity?

aperture landscape sharpness astrophotography infinity-focus

Photography Stack Exchange contributor

7y ago

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366

Why won’t my C-mount lens focus to infinity on a custom-built camera?

lens-mount diy-camera c-mount focus infinity-focus

Photography Stack Exchange contributor

7y ago

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513

Can an M42-to-Nikon F adapter reach infinity focus without optics by recessing the lens into the mount?

lens-adapters m42 nikon-f infinity-focus manual-lenses

Photography Stack Exchange contributor

7y ago

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326

How can I test a camera or lens at infinity focus in a small room?

lens-testing optics focus infinity-focus image-quality

Photography Stack Exchange contributor

8y ago

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171

How do you determine the distance at which depth of field reaches infinity?

depth-of-field focusing hyperfocal-distance lenses infinity-focus

user69339

9y ago

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183

How do I set the infinity stops and calibrate a Kalart rangefinder on a Speed Graphic?

large-format kalart-rangefinder speed-graphic rangefinder-calibration infinity-focus

Photography Stack Exchange contributor

9y ago

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332

How do I set infinity focus on the Canon EF-S 10-18mm for night sky photos?

canon-ef-s-10-18mm canon-eos-t3 astrophotography manual-focus infinity-focus

Photography Stack Exchange contributor

9y ago

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267

Nikon 18-55mm lens now won't focus to infinity after reassembly

nikon 18-55mm focus infinity-focus lens-repair

Photography Stack Exchange contributor

10y ago

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245

Why are my Zorki 4 photos blurry when the lens is set to infinity?

rangefinder zorki-4 manual-focus infinity-focus film-camera

Photography Stack Exchange contributor

10y ago

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178

Why are my long-exposure night sky photos blurry even on a tripod?

night-photography long-exposure wide-angle focus infinity-focus

Photography Stack Exchange contributor

10y ago

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703

When a lens is focused at infinity, is the sensor one focal length away, and why doesn’t the whole scene collapse to one point?

lenses optics focus infinity-focus focal-length

Photography Stack Exchange contributor

10y ago

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683

Can Minolta A-mount lenses focus to infinity on a Canon EF camera with an adapter?

lens-adapters minolta-a-mount canon-ef infinity-focus

Photography Stack Exchange contributor

11y ago

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