Not Your Everyday Banana

by Bart Arondson

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22,544 reputation
362124
bio website 365project.org/imrelumiste
location Finland
age 34
visits member for 3 years, 4 months
seen 18 hours ago

Jan
3
comment How to calculate the optimal pinhole size?
All figures should be in same units as you want the result in (mm seems to be most common; 550 nm = 0.00055 mm)
Jan
2
comment What can a fisheye lens be useful for?
Wow! These examples were worth asking for.
Dec
31
comment Can I manual adjust focus after half shutter press?
Yes. The focusing ring on STM lenses works "fly-by-wire", so you can't cause any mechanical damage by turning it.
Dec
27
comment What can a fisheye lens be useful for?
The example link has rotten, could you add the example directly to the post?
Dec
11
comment What is the difference between Nikkor D type and G type lenses?
The D and G letters are really about aperture ring, not about presence of auto-focus motor; AF-S and AF-I lenses have the motor and AF lenses don't.
Dec
8
comment What is the technical name for a zoom lens which has a fixed maximum aperture?
FYI, Pentax Reflex Zoom 400-600mm f/8-12 is a fixed (but not constant) aperture zoom lens
Nov
21
comment Can I revert 'Color Sketch' mode on a Nikon camera?
If JPEG is all you've got, converting to black and white might relieve the effect somewhat - not completely undoing, but at least somewhat hiding the processing.
Nov
21
comment Does Canon make an L series lens with a plastic lens mount?
Pentax does have some lenses (18-55, 55-200, 55-300) that come with plastic mount in kits (the "DA L" - L as in Light - version), and metal mounts ("DA") when purchased separately.
Nov
7
comment How can I photograph welding?
@PengTuckKwok True, ND filters will provide the exposure correction as well, but filters in general are prone to cause ghost reflections when pointed to light sources, especially when stacked, so they are an inferior solution when the light source is the main subject.
Oct
22
comment What are the disadvantages of super-zoom cameras compared to binoculars?
I doubt the projection size argument. The image circle projected by binoculars is equal to their exit pupil size, which reaches 7 mm (DMC-FZ70 sensor diameter) on only the largest binoculars. Through EVF, a super-zoom camera projects the image similarly for the whole eye to see.
Sep
25
comment What is the best way for a hobbyist to start generating income from photos?
Have you got any examples of successful long tail producers? AFAIK, long tail really benefits only aggregation and search providers, not producers who need to provide wide selection at low demand.
Jul
30
comment How to photograph your hand such that it appears that it is in a computer screen?
Screen's borders and being out-of-focus would come from the photo taken in first step
May
27
comment What is the purpose of a dual LED flash?
Are there any models that actually allow controlling the ratio of two LEDs?
Apr
10
comment Megapixel race unnecessary?
Yes, unless you're shooting wildlife - which is exactly what many amateurs like to do.
Apr
5
comment What are Medium Format and Large Format cameras?
AFAIK 6×9cm and 6×17cm are regarded as medium format too, so the 6×7 seems a bit low for medium format's upper limit. I'd go with the 4"×5" as borderline between formats.
Apr
3
comment How to photograph a room showing both room & view out a window?
Could add a bit more details, perhaps add some examples? AFAIK rooms go darker too in dusk, so the ratio will still be the same. With artificial lighting switched on, the white balance of light inside and outside will mismatch.
Mar
22
comment How to tell if a roll of film has been exposed?
My Pentax MZ-6 has motorized rewind, and leaving the leader out is an option in settings (useful if you'd like to switch between films).
Mar
22
comment What are the advantages of leaving an ND filter on a lens at all times?
An ND2 filter reduces light by factor of 2, i.e. 1 stop. Your calculations seem to be using 2 stops.
Mar
20
comment How to set the starting number for filenames on a SD card with a Sony camera?
At least for my Pentax cameras, this trick works. I suppose it'd be easier to rename the file on spot instead of download>rename>upload.
Mar
19
comment Emulating Film Black and White in Digital: From Pictures to Print
Both of those links compare digital sensors with color film. This question, however, is about black-and-white phptography, where film can have an advantage, e.g. TMax with its 15...20 stops of DR