User Alex

9 votes

2 answers

8k views

How does ground glass work when focussing?

asked Mar 17, 2015 at 2:53

8 votes

3 answers

3k views

What is the size of 2 1/4 x 3 1/4 sheet film?

film

asked Jan 5, 2016 at 8:37

8 votes

4 answers

2k views

Why is my large format lens so much smaller (in length) than my 35mm-format lens?

lens optics lens-design large-format

asked May 18, 2016 at 10:04

6 votes

3 answers

3k views

What methods can be used to remove remjet from the back of motion picture film?

film developing

asked Dec 15, 2015 at 9:46

4 votes

1 answer

397 views

Is there a reason to use folding bellows instead of my bag bellows for a range of lenses?

film large-format bellows

asked Jun 6, 2016 at 0:34

4 votes

1 answer

684 views

Is there a difference in the image produced from a 50mm rangefinder or slr lens?

lens film lens-design slr rangefinder

asked Jul 18, 2016 at 11:20

4 votes

2 answers

410 views

Which of the Konica I, II, III, S, SII, SIIII rangefinder variants have a lifesize (1:1) finder?

film rangefinder konica

asked Jul 20, 2015 at 6:45

3 votes

1 answer

159 views

Why is the sharpness of a lens often determined by aperture?

aperture sharpness

asked Jun 1, 2015 at 4:14

2 votes

2 answers

829 views

What does the edge marking 'safety film' mean?

film

asked Jun 27, 2015 at 4:46

2 votes

3 answers

195 views

What happens if i block the centre of the rear element

lens

asked May 25, 2016 at 3:16

2 votes

1 answer

318 views

What power cord does my slide projector need, and if it does not exist can I still use my projector?

leica projector repair-parts

asked May 29, 2016 at 11:34

2 votes

2 answers

586 views

Is it safe to use rodinal or some other developer in the bath tub?

film developing safety chemicals enlarging

asked Jun 25, 2016 at 5:42

1 vote

2 answers

125 views

When stopped down, does light still pass through all of a glass element behind the aperture blades

lens aperture

asked May 25, 2016 at 3:09

1 vote

3 answers

1k views

Why did Pentax change to open-aperture metering when this causes the need to stop-down for old lenses?

aperture old-lenses metering camera-design

asked Mar 25, 2015 at 9:13

1 vote

1 answer

4k views

What is the surface area of a roll of 35mm or 120 film (for calculating the amount of fixer to use)?

film developing fixer

asked Aug 21, 2015 at 23:13

1 vote

1 answer

96 views

Can Photoshop CS6 and Lightroom 4 marked as "Distribute in US only", be activated anywhere in the world?

adobe

asked Feb 2, 2016 at 9:54

0 votes

1 answer

180 views

What is the difference between a rangefinder's projected and reflected framelines?

viewfinder rangefinder framing

asked Aug 2, 2016 at 1:35

0 votes

1 answer

183 views

How tight should a lens be screwed onto a Leica Screw Mount?

lens canon leica screw-mount

asked Sep 27, 2016 at 10:08

-1 votes

1 answer

6k views

How to choose photobook size when photographs are oriented in both landscape and portrait?

printing photobooks image-orientation

asked Oct 6, 2017 at 23:04

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19 Questions

How does ground glass work when focussing?

What is the size of 2 1/4 x 3 1/4 sheet film?

Why is my large format lens so much smaller (in length) than my 35mm-format lens?

What methods can be used to remove remjet from the back of motion picture film?

Is there a reason to use folding bellows instead of my bag bellows for a range of lenses?

Is there a difference in the image produced from a 50mm rangefinder or slr lens?

Which of the Konica I, II, III, S, SII, SIIII rangefinder variants have a lifesize (1:1) finder?

Why is the sharpness of a lens often determined by aperture?

What does the edge marking 'safety film' mean?

What happens if i block the centre of the rear element

What power cord does my slide projector need, and if it does not exist can I still use my projector?

Is it safe to use rodinal or some other developer in the bath tub?

When stopped down, does light still pass through all of a glass element behind the aperture blades

Why did Pentax change to open-aperture metering when this causes the need to stop-down for old lenses?

What is the surface area of a roll of 35mm or 120 film (for calculating the amount of fixer to use)?

Can Photoshop CS6 and Lightroom 4 marked as "Distribute in US only", be activated anywhere in the world?

What is the difference between a rangefinder's projected and reflected framelines?

How tight should a lens be screwed onto a Leica Screw Mount?

How to choose photobook size when photographs are oriented in both landscape and portrait?