# Fotasy M42 Macro Adapter 17-31mm Helicoid Tube | 14mm Movement for Macro Photography **Brand:** Fotasy **SKU:** cxb6497 **ASIN:** B019GKN22M **Canonical URL:** https://crowcrowcrow.com/p/fotasy-m42-macro-adapter-17-31mm-helicoid-tube-14mm-max-movement/cxb6497 **Category:** electronics **Subcategory:** Categories **Availability:** in_stock **Price (INR, all-inclusive):** ₹3,515 **Discount:** 10% **Customer rating:** 4.30/5 from 145 ratings ## Description Fotasy M42 Macro Adapter 17-31mm Helicoid Tube offers 14mm of fine focus for macro photography. Made of lightweight aluminum, it fits M42 lenses. Imported directly, all duties are included for seamless delivery to India. ## Highlights - Precise Macro Focus Control — Achieve sharp macro shots with 14mm of adjustable helicoid movement, ideal for lenses without built-in focus rings. Fine-tune focus for intricate details. - Durable Lightweight Aluminum — Constructed from high-quality aluminum alloy, this adapter is built to last while remaining lightweight for easy handling during extended shooting sessions. - M42 Mount Compatibility — Features standard M42 male and female threads, ensuring broad compatibility with M42 screw mount lenses and cameras for versatile use. - Enhanced Close-Up Photography — Transforms your existing lenses into macro tools, enabling detailed close-up photography of small subjects and textures with ease. ## Key features - Made of light-weight aluminum alloy - Male thread: 42mm; female thread: 42mm - The Length of this Helicoid Tube 17mm(Min), 31mm(Max), it offers a total of 14mm Movement Distance for Lens Focusing. - Work with M42 screw mount lenses, such as Carl Zeiss, Pentax takumer lens. If you want to use 39mm enlarger lens with this focusing helicoid, you need an additional 39mm-42mm adapter - Very useful for lenses without focus ring. It could be used as macro barrel, and offers fine focus control for macro photography ## Why choose this product **Unlock Macro Potential with Precision** — This Fotasy M42 helicoid adapter provides photographers with a dedicated tool for achieving precise macro focus. Its 17-31mm adjustable length and 14mm movement range allow for fine-tuning shots that would be impossible with standard lenses. Unlike basic adapters, this helicoid offers a smooth, controlled focusing experience, essential for capturing the intricate details of small subjects. Imported directly, it ensures you receive an authentic product, ready to enhance your creative photography. **Ideal for M42 Lenses, Consider Alternatives for Other Mounts** — This adapter is perfectly suited for photographers using M42 mount lenses, offering a seamless extension for macro work. If you use lenses with a 39mm thread, ensure you have the correct 39mm-42mm adapter. For Canon EF, Nikon F, or Sony E mount cameras, separate mount adapters will be required to connect your M42 lenses to those bodies before using this helicoid. Manual focus is required, so it's best suited for users comfortable with manual adjustments. ## How to use 1. Securely screw the Fotasy M42 helicoid adapter onto your camera body's M42 mount. Ensure it is firmly attached to prevent light leaks or movement. — Attach Adapter to Camera 2. Screw your chosen M42 lens onto the female M42 thread of the helicoid adapter. If using a 39mm enlarger lens, first attach the 39mm-42mm adapter to the lens, then to the helicoid. — Mount Your M42 Lens 3. Set your camera to manual focus mode. Rotate the helicoid's ring to extend or retract the lens, achieving precise focus for your macro subject. Adjust aperture on the lens as needed. — Adjust Focus Manually ## Product details | Field | Value | |---|---| | Compatibility | M42 screw mount lenses and cameras. May require additional 39mm-42mm adapter for 39mm enlarger lenses. | | Use Case | Macro photography, close-up shots, lenses without focus rings. | | Focusing | Manual focus only | | Cost per use | This is a durable accessory, not a consumable. Cost per use is not applicable. | | Shelf life after opening | N/A (Durable accessory) | | Reapplication math | N/A (Durable accessory) | | Contraindications | Requires M42 mount camera body or adapter. Manual focus only. | | Allergens / common irritants | None | | Brand | Fotasy | | Model Name | M421731 | | Part Number | FH42M | | Lens Mount | M42 | | Focus Type | Manual Focus | | Zoom Type | Fixed | | Material | Aluminum Alloy | | Helicoid Length | 17mm (Min) - 31mm (Max) | | Movement Distance | 14mm | | Male Thread | 42mm | | Female Thread | 42mm | | Item Dimensions (L x W x H) | 68.58mm x 66.04mm x 66.04mm (approx. 2.7 x 2.6 x 2.6 inches) | | Item Package Weight | 0.068 kg (approx. 0.15 lbs) | | Included Components | 1x M42 Focusing Helicoid Adapter | | Country of Origin | Not stated by manufacturer — US retail version, sourced from authorized US retailers | ## Frequently asked questions ### How do I know which extension tube fits my camera? Ensure your camera body has an M42 mount or you are using an M42 adapter. This Fotasy helicoid tube has M42 male and female threads, designed to connect M42 lenses to M42 mount cameras. If you are using a 39mm enlarger lens, you will need an additional 39mm-42mm adapter. This adapter does not require power and works with manual focus. ### Can I use this Fotasy M42 Macro Adapter with autofocus lenses? This Fotasy M42 Macro Adapter is designed for manual focus only. While it connects M42 lenses to M42 mount cameras, it does not retain autofocus or electronic aperture control. You will need to manually adjust focus and aperture settings for your shots. It is most useful for lenses that lack a built-in focus ring. ### What is the benefit of using a helicoid tube for macro photography? A helicoid tube like this Fotasy M42 adapter allows for precise, fine-tuned focusing at very close distances, which is essential for macro photography. It extends the lens's focusing range, enabling you to get closer to your subject and capture intricate details that are not visible with standard focusing. The 14mm movement range offers significant control. ### Is this Fotasy M42 Macro Adapter compatible with my camera? This adapter is specifically designed for M42 mount lenses and M42 mount camera bodies. If your camera does not have an M42 mount, you will need a separate adapter to convert your camera's mount to M42. It is a passive adapter, meaning it does not require power and works with manual focus lenses. ### How do I use the Fotasy M42 Macro Adapter for close-up photography? First, attach the Fotasy M42 adapter to your camera's M42 mount. Then, screw your M42 lens onto the adapter's female M42 thread. Use the helicoid's adjustable ring to extend or retract the lens, achieving precise focus for macro shots. This manual process allows for fine adjustments to capture sharp details. ## Compliance No product-specific compliance warnings identified. Standard imported-goods terms apply: customs duties & GST paid; for personal use in India; follow the manufacturer's usage instructions on the packaging. ## Images 1. https://images.crowcrowcrow.com/B019GKN22M-0.webp 2. https://images.crowcrowcrow.com/B019GKN22M-3.webp --- Source: https://crowcrowcrow.com/p/fotasy-m42-macro-adapter-17-31mm-helicoid-tube-14mm-max-movement/cxb6497 Returns: 14 days, free pickup, full refund on genuine issues. Shipping: Free across India, 6-8 days. Prices are all-inclusive (duties + GST).