All posts by Martin

Martin M.H. lives outside Stockholm, Sweden. He is a M.Sc. in Computer Technology but he has been a passionate photographer for over 50 years. He started his photographic adventures when he was thirteen with an Agfamatic pocket camera, which he soon replaced with a Canon rangefinder camera that his mom gave him in his teenages. After that he has been using Canon SLR, Nikon SLR manual focus and Autofocus, Sony mirrorless crop sensor, Nikon DSLR and Nikon Mirrorless. He has photographed any genre he could throughout the years and you can see all kind of images in his portfolio. During the later years though it has been mostly landscape, nature, travel and some street/documentary photography.
photography, Technical

Understanding F-Numbers and Light Transmission

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Introduction

When comparing camera lenses, one of the most commonly discussed features is how “fast” a lens is—usually expressed in terms of f-numbers. But what do those numbers actually mean, and how precise are the differences we talk about, like “half a stop” or “two-thirds of a stop”?
In this article, we’ll unpack how f-numbers relate to light transmission, explore why the system isn’t always as exact as it seems, and show you how to calculate these differences for yourself—or simply reference our handy table at the end. Continue reading Understanding F-Numbers and Light Transmission →

lenses, Review, TTArtisan

REVIEW: TTArtisan 35mm F/1.4 Tilt (APS-C)

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Introduction

TTArtisan previously released a full-frame 50mm tilt lens, designed to control focus to a thin slice of the scene, or extend it for deeper focus. It’s also fun to experiment with, especially for creating a playful miniature effect. In May 2025, they followed up with an APS-C equivalent: the 35mm f/1.4 tilt lens, offered at a budget-friendly price. Of course, it can also serve as a fast f/1.4 standard lens. Let’s take a closer look!

camera-icon2I tested this lens on a 22 Mp Nikon Zfc
You can see this review as a YouTube video here!
Sample images in high resolution here.

Sample Images

Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.7 (Miniature world effect)
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.4
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.4
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.4
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.4
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.4
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.4
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.4
Nikon Zfc | TTARTISAN 35mm f/1.4 Tilt | f/1.4

Continue reading REVIEW: TTArtisan 35mm F/1.4 Tilt (APS-C) →

lenses, Review, TTArtisan

REVIEW: TTArtisan AF 40mm f/2

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TTARTISAN 40mm f/2 on Nikon Z7IIIntroduction

TTArtisan is trying to catch up in the autofocus lens market, having previously focused mainly on manual lenses while other companies gained ground in AF development. Their latest release is a full-frame 40mm f/2 lens—a popular focal length with a bright aperture and an ace up its sleeve: a dedicated aperture ring, something not all AF lenses in this class offer. Let’s take a closer look.

camera-icon2I tested this lens on a 46 Mp Nikon Z7ii (Sample images were taken with a Nikon Zf )
You can see this review as a YouTube video here!
Sample images in high resolution here.

Sample Images

Nikon Zf | TTARTISAN AF 40mm f/2 | f/8
Nikon Zf | TTARTISAN AF 40mm f/2 | f/5.6 (Vignette compensated)
Nikon Zf | TTARTISAN AF 40mm f/2 | f/2
Nikon Zf | TTARTISAN AF 40mm f/2 | f/2
Nikon Zf | TTARTISAN AF 40mm f/2 | f/8
Nikon Zf | TTARTISAN AF 40mm f/2 | f/8

Continue reading REVIEW: TTArtisan AF 40mm f/2 →

lenses, Review, Viltrox

REVIEW: Viltrox AF 15mm F/1.7 Air

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Viltrox 15mm f/1.7 Air

Introduction

Viltrox has recently released a couple of small, lightweight lenses in its AIR series, both for full-frame and APS-C cameras. These lenses have generally offered strong optical performance with impressive sharpness at affordable prices. Now, Viltrox has added a wide-angle 15mm lens for APS-C sensors to the series (22.5mm equivalent). This lens is also very lightweight, and at $239, it can still be considered budget-friendly. For the first five days after launch, it comes with a 5% discount — and using the affiliate links provides an additional 5% off*. But is it any good? Let’s find out!

camera-icon2I tested this lens on a Nikon Zfc.
You can see this review as a YouTube video here!
Sample images in high resolution here.

Sample Images

Nikon Zfc | Viltrox 15mm f/1.7 Air | f1.7
Nikon Zfc | Viltrox 15mm f/1.7 Air | f1.7
Nikon Zfc | Viltrox 15mm f/1.7 Air | f1.7
Nikon Zfc | Viltrox 15mm f/1.7 Air | f1.7
Nikon Zfc | Viltrox 15mm f/1.7 Air | f5
Nikon Zfc | Viltrox 15mm f/1.7 Air | f5
Nikon Zfc | Viltrox 15mm f/1.7 Air | f1.7
Nikon Zfc | Viltrox 15mm f/1.7 Air | f1.7
Nikon Zfc | Viltrox 15mm f/1.7 Air | f5
Nikon Zfc | Viltrox 15mm f/1.7 Air | f5
Nikon Zfc | Viltrox 15mm f/1.7 Air | f3.5
Nikon Zfc | Viltrox 15mm f/1.7 Air | f3.5

Continue reading REVIEW: Viltrox AF 15mm F/1.7 Air →

Analogue

Analogue Photography: A Personal Journey – Part 2 – Embracing Colours

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Nikon F-801s | Colour reversal film | Fujichrome RD
Nikon F-801s | Colour reversal film | Fujichrome RD

Introduction

This is the second part of my article, Analogue Photography – A Personal Journey.

If you haven’t read the first part yet, I recommend doing so — it provides useful background. Here’s the link.
 In that article and video, I explained how my journey in photography began, and how certain challenges — along with the mindset of the time — led me to focus on black-and-white photography. This time on embracing colour.

You can see this article as a YouTube video here!

Continue reading Analogue Photography: A Personal Journey – Part 2 – Embracing Colours →