Questions tagged “focusing”

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

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65

How can I photograph my own back to monitor moles without extra gear?

canon-eosfocusingself-portraitmedical-documentationsmartphone

Frank Lee Speeking

2y ago

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118

Why do some Canon L lenses not need infrared focus compensation on B&W IR film?

canon-eosfocusinglensesfilm-photographyinfrared

Alexey Malev

2y ago

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131

Does unit focusing change depth of field compared with internal/element focusing?

depth-of-fieldfocusingmacrobellowsinternal-focusing

Photography Stack Exchange contributor

3y ago

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147

Why set a lens to infinity when using extension tubes for macro?

focusingmacrocanonlensesextension-tubes

Photography Stack Exchange contributor

3y ago

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167

Can a full-spectrum converted camera mimic an IR conversion with lens filters?

focusingcamera-conversionfiltersinfraredfull-spectrum

Photography Stack Exchange contributor

4y ago

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91

Where should you focus if the hyperfocal distance is much closer than anything in the scene?

depth-of-fieldfocusinghyperfocal-distancelandscapemanual-focus

Photography Stack Exchange contributor

6y ago

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110

How do you focus accurately with extension tubes, and can you focus stack with them?

nikonfocus-stackingfocusingmacroextension-tubes

Photography Stack Exchange contributor

6y ago

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217

What is the red “R” mark on older manual-focus lenses, and how do you use it?

focusinglensesvintage-lensesinfraredmanual-focus

Photography Stack Exchange contributor

6y ago

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106

Why does a manual Praktica B 50mm f/1.8 look sharp in the viewfinder but blurry in the photo on a Canon 450D?

focusinglens-adaptersvintage-lensescanon-efmanual-focus

Photography Stack Exchange contributor

7y ago

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154

How does extension tube length affect magnification and focus distance on an 18–55mm lens?

focusingmacrolensesextension-tubesclose-up

Photography Stack Exchange contributor

7y ago

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116

How do you focus on an off-center subject with a Nikon FM2 film SLR?

nikon-fm2focusingcompositionfilm-slrmanual-focus

Photography Stack Exchange contributor

7y ago

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130

Does minimum focus distance stay the same throughout a zoom lens's range?

magnificationfocusingminimum-focus-distancelenseszoom-lens

user81053

7y ago

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74

Can a 100mm bellows lens achieve 1:1 slide duplication on a Minolta Auto Bellows I?

focusingmacrominoltabellowsslide-duplication

Photography Stack Exchange contributor

7y ago

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216

Why doesn’t a Canon EF-to-EF-M adapter work like an extension tube?

focusingcanonef-mlens-adaptersextension-tubes

Photography Stack Exchange contributor

7y ago

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121

Why do depth-of-field scales stay meaningful across a prime lens’s focus range?

depth-of-fieldfocusinglens-designprime-lensesmanual-focus

Photography Stack Exchange contributor

8y ago

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102

Why doesn’t turning my Canon 18-135mm STM to infinity give sharp night shots?

focusingcanonnight-photographystm-lensesmanual-focus

Photography Stack Exchange contributor

8y ago

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93

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

depth-of-fieldfocusinghyperfocal-distancelensesinfinity-focus

user69339

9y ago

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110

How do I keep a close group of people at different distances all in focus?

depth-of-fieldfocusingcompositiongroup-portraitsnikon-d750

Photography Stack Exchange contributor

9y ago

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150

How can I improve autofocus performance in low light with a Nikon D5300?

nikonautofocusfocusinglow-lightd5300

Photography Stack Exchange contributor

10y ago

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125

How should I focus for night photography or astrophotography with a kit lens?

kit-lensfocusingnight-photographyastrophotographymanual-focus

Photography Stack Exchange contributor

10y ago

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